1,593 Free Images of Jacques Burkhardt

jacques burkhardt scientific drawings harvard university watercolor on paper 1865 in art watercolor paintings pencil on paper 1856 in art emys turtles in art gymnotus

Gymnotus coropinae (Lago Maximo, Brazil), Jacques Burkhardt

jacques burkhardt scientific drawings gymnotus

Six turtles and turtle head (side view) (1854), Jacques Burkhardt, 1854-??-??

jacques burkhardt scientific drawings turtles in art

Turtle (side view) (1856), Jacques Burkhardt, 1856-??-??

jacques burkhardt scientific drawings turtles in art

Kinosternon scorpioides (top view) (Surinam, 1856), Jacques Burkhardt, 1856-??-??

jacques burkhardt scientific drawings kinosternon

Sea bass? (Santa Cruz, California, March 1854), Jacques Burkhardt, 1854-03-??

jacques burkhardt scientific drawings watercolor on paper

Turtle (side view) (1856), Jacques Burkhardt, 1856-??-??

jacques burkhardt scientific drawings turtles in art

Three needlefish heads (Cambridge, Mass., 1849), Jacques Burkhardt, 1849-??-??

jacques burkhardt scientific drawings pencil on paper

Three needlefish heads (Boston, Mass., 1848), Jacques Burkhardt, 1848-??-??

jacques burkhardt scientific drawings watercolor on paper

Pagrus or Argyrops (New York, 7 November 1847), Jacques Burkhardt

jacques burkhardt scientific drawings watercolor on paper

Hemirhamphus brasiliensis Cuv., Jacques Burkhardt, 4 May 1865

jacques burkhardt scientific drawings watercolor on paper

Ischypterus Mortoni (Fossil) (New York, N.Y., 1861), Jacques Burkhardt, 1861-??-??

jacques burkhardt scientific drawings watercolor on paper

Trionyx Natchez (bottom view) (1856), Jacques Burkhardt, 1856-??-??

jacques burkhardt scientific drawings 1856 in art

Eight mollusk drawings (Nahant, Mass., 1864), Jacques Burkhardt, 1864-??-??

jacques burkhardt scientific drawings watercolor on paper

Turtle (top view) (1856), Jacques Burkhardt, 1856-??-??

jacques burkhardt scientific drawings turtles in art

Emys floridana (side view and eye) (Mobile, Alabama, 1856), Jacques Burkhardt, 1856-??-??

jacques burkhardt scientific drawings emys

Emys nigra Hall (top view) (Southern California, 1856), Jacques Burkhardt, 1856-??-??

jacques burkhardt scientific drawings emys

Gymnotus carapo (Lake January, Brazil, 1866), Jacques Burkhardt, 1866-??-??

jacques burkhardt scientific drawings gymnotus

Emys rubriventris (top view) (Washington, D.C., 1856), Jacques Burkhardt, 1856-??-??

jacques burkhardt scientific drawings emys

Turtle (side view) (June 1857), Jacques Burkhardt, 1857-06-??

jacques burkhardt scientific drawings turtles in art

Kinosternon pennsylvania (three views of head) (1855), Jacques Burkhardt, 1855-??-??

jacques burkhardt scientific drawings kinosternon

Emys elegans (side view) (Natchez, Mississippi, 1856), Jacques Burkhardt, 1856-??-??

jacques burkhardt scientific drawings emys

Buccinum trivittatum (Nantucket, Mass., 1 September 1847), Jacques Burkhardt

jacques burkhardt scientific drawings watercolor paintings

Gymnotus coropinae (Lago Maximo, Brazil, 1866), Jacques Burkhardt, 1866-??-??

jacques burkhardt scientific drawings gymnotus

Turtle on grass (side view) (1857), Jacques Burkhardt, 1857-??-??

jacques burkhardt scientific drawings turtles in art

Aequidens pallidus (Teffe and Manaos, Brazil), Jacques Burkhardt

jacques burkhardt scientific drawings watercolor paintings

Emys rubriventris (bottom view) (December 1855), Jacques Burkhardt, 1855-12-??

jacques burkhardt scientific drawings emys

Emys bellii (side view) (Milwaukee, Wisconsin, 1856), Jacques Burkhardt, 1856-??-??

jacques burkhardt scientific drawings emys

Ophiolepis elongata (Sullivan's Island, South Carolina, 1852), Jacques Burkhardt

jacques burkhardt scientific drawings ophiolepis

Cistudo (side view) (1856), Jacques Burkhardt, 1856-??-??

jacques burkhardt scientific drawings 1856 in art

Apistogramma agassizii (Lake January, Brazil, 28 October 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Chaetobranchus semifasciatus (Teffe, Brazil, 7 October 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Chaetobranchus semifasciatus (Lake January, Brazil, 26 October 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Catfish (Teffe, Brazil, 13 October 1865; 3 fish), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Cistudo (top view) (Middleboro, Mass., June 1852), Jacques Burkhardt, 1852-06-??

jacques burkhardt scientific drawings 1852 in art

Gymnotus coatesi (Gurupa, Brazil, 1866), Jacques Burkhardt, 1866-??-??

jacques burkhardt scientific drawings gymnotus

Biotodoma cupido (Lake January, Brazil, 27 October 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Crenicichla sp. (Lake January, Brazil, 22 November 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Astronotus ocellatus (Monte Alegre, Brazil), Jacques Burkhardt, 25 August 1865

jacques burkhardt scientific drawings watercolor paintings

Crenicichla wallacii (Lake January, Brazil, 20 November 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Emys concinna (side view of turtle and three views of its head) (December 1855), Jacques Burkhardt, 1855-12-??

jacques burkhardt scientific drawings emys

Mesonauta sp. (Lake January, Brazil, 29 October 1865), Jacques Burkhardt

jacques burkhardt scientific drawings mesonauta

Gymnotus sp. (Gurupa, Brazil, 23 August 1865), Jacques Burkhardt

jacques burkhardt scientific drawings gymnotus

Myleus sp. (Lago Jose Assu, Brazil, 31 August 1865), Jacques Burkhardt

jacques burkhardt scientific drawings myleus

Laetacara thayeri (Teffe, Brazil, 5 October 1865), Jacques Burkhardt

jacques burkhardt scientific drawings laetacara

Brachyplatystoma rousseauxii (Dorada, Brazil, 5 September 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Mylossoma duriventre (Teffe, Brazil, 12 October 1865), Jacques Burkhardt

jacques burkhardt scientific drawings mylossoma

Mollusk (Charleston, South Carolina, 14 March 1852), Jacques Burkhardt

jacques burkhardt scientific drawings mollusca in art

Biotodoma cupido (Teffe, Brazil, 4 and 9 October 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Hypselecara temporalis (Teffe, Brazil, 10 October 1865), Jacques Burkhardt

jacques burkhardt scientific drawings hypselecara

Geophagus sp. (Tonantins, Brazil, 18 October 1865), Jacques Burkhardt

jacques burkhardt scientific drawings geophagus

3 knifefish (Lake January, Brazil), Jacques Burkhardt

jacques burkhardt scientific drawings watercolor paintings

Heros efasciatus (Maues, Brazil, 17 December 1865), Jacques Burkhardt

jacques burkhardt scientific drawings heros efasciatus

Emys bellii and Emys marginata (bottom views) (March 1856), Jacques Burkhardt, 1856-03-??

jacques burkhardt scientific drawings emys

Gymnotus arapaima (Lake January, Brazil, 16 November 1865), Jacques Burkhardt

jacques burkhardt scientific drawings gymnotus

Emys rubriventris (side view) (January 1856), Jacques Burkhardt, 1856-01-??

jacques burkhardt scientific drawings emys

Bodianus pulchellus (Rio de Janeiro, Brazil, 11 May 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Hypselecara temporalis (Lake January, Brazil, 26 October 1865), Jacques Burkhardt

jacques burkhardt scientific drawings hypselecara

Emys serrata (side view) (Charleston, South Carolina, December 1855), Jacques Burkhardt, 1855-12-??

jacques burkhardt scientific drawings emys

Laetacara thayeri (Teffe, Brazil, 9 October 1865), Jacques Burkhardt

jacques burkhardt scientific drawings laetacara

Crenicichla lugubris (Teffe, Brazil, 12 October 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Cichla n.sp. (Maues, Brazil, 16 December 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Gymnothorax rostratus (Rio de Janeiro, Brazil, 10 June 1865), Jacques Burkhardt

jacques burkhardt scientific drawings gymnothorax

Mollusk (Charleston, South Carolina, 14 March 1852), Jacques Burkhardt

jacques burkhardt scientific drawings mollusca in art

Echinoderm and five anatomical cross sections (Charleston, South Carolina, 20 February 1852), Jacques Burkhardt

jacques burkhardt scientific drawings echinodermata

Geophagus altifrons (adult and juvenile) (Maues, Brazil, December 1865), Jacques Burkhardt, 1865-12-??

jacques burkhardt scientific drawings geophagus

Apistogramma agassizii (Lake January, Brazil, 22 November 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Apistogramma (Lake January, Brazil, 27 October 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Aequidens tetramerus (Teffe, Brazil, 8 October 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Aequidens tetramerus (Tajapuru, Brazil, 22 August 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Tetragonopterus (Fazenda Sant'Anna, Brazil, 25 June 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Penaeus setiferus (20 December 1851), Jacques Burkhardt, 20 December 1851

jacques burkhardt scientific drawings watercolor on paper

Sternarchorhynchus oxyrhynchus (Lago Manacapuru, Brazil), Jacques Burkhardt

jacques burkhardt scientific drawings pencil on paper

Catfish (Teffe, Brazil, 9 October 1865; 2 fish), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Astronotus ocellatus (Teffe, Brazil, 26 September 1865; green, red, and yellow), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Apistogramma pertensis (Lake January, Brazil, 17 November 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Apistogramma agassizii (Lake January, Brazil, 22 November 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Astronotus ocellatus (Lake January, Brazil, 26 October 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Snake (8 February 1860; snake and head), Jacques Burkhardt, 8 February 1860

jacques burkhardt scientific drawings watercolor on paper

Ophioderma (Charleston, South Carolina, 1 December 1847), Jacques Burkhardt

jacques burkhardt scientific drawings pencil on paper

Needlefish head (top view) (New York, N.Y., 1848), Jacques Burkhardt, 1848-??-??

jacques burkhardt scientific drawings pencil on paper

Carcharias and anatomical cross sections (Charleston, South Carolina, 1853), Jacques Burkhardt, 1853-??-??

jacques burkhardt scientific drawings pencil on paper

Trionyx Natchez (bottom view) (1856), Jacques Burkhardt, 1856-??-??

jacques burkhardt scientific drawings 1856 in art

Three needlefish heads (Boston, Mass., 1848), Jacques Burkhardt, 1848-??-??

jacques burkhardt scientific drawings watercolor on paper

Stingray (Boston, Mass., 10 January 1860), Jacques Burkhardt

jacques burkhardt scientific drawings pencil on paper

Shark and anatomical cross sections (Nahant, Mass., 1858), Jacques Burkhardt, 1858-??-??

jacques burkhardt scientific drawings sharks in art

Two mollusks and anatomical cross-section (Nahant, Mass., 1864), Jacques Burkhardt, 1864-??-??

jacques burkhardt scientific drawings pencil on paper

Kinosternon (bottom view) (Panama, March 1856), Jacques Burkhardt, 1856-03-??

jacques burkhardt scientific drawings kinosternon

Geophagus sp. (Lago de Jose, Brazil), Jacques Burkhardt

jacques burkhardt scientific drawings geophagus

Mugil brasiliensis Spix, Jacques Burkhardt, 4 May 1865

jacques burkhardt scientific drawings mugil

2 knife fish (Lago Maximo, Brazil), Jacques Burkhardt

jacques burkhardt scientific drawings watercolor paintings

Laetacara thayeri (Lake January, Brazil), Jacques Burkhardt

jacques burkhardt scientific drawings laetacara

Turtle (top view) (1856), Jacques Burkhardt, 1856-??-??

jacques burkhardt scientific drawings turtles in art

Three needlefish heads (Boston, Mass., 1848), Jacques Burkhardt, 1848-??-??

jacques burkhardt scientific drawings pencil on paper

Kinosternon scorpioides (top view) (Surinam, 1856), Jacques Burkhardt, 1856-??-??

jacques burkhardt scientific drawings kinosternon

Terrapene triquetra (Lake Concordia, Louisiana, 1856), Jacques Burkhardt, 1856-??-??

jacques burkhardt scientific drawings 1856 in art

Hypostominae? (Coary, Brazil, 22 October 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Turtle (top and bottom view) (Tarboro, North Carolina), Jacques Burkhardt, 1856-??-??

jacques burkhardt scientific drawings turtles in art

Uaru amphiacanthoides (Lago Maximo, Brazil), Jacques Burkhardt

jacques burkhardt scientific drawings watercolor on paper

Mactra (Nahant, Mass., 16 February 1848), Jacques Burkhardt

jacques burkhardt scientific drawings mactra

Kinosternon scorpioides (side view) (Surinam, 1856), Jacques Burkhardt, 1856-??-??

jacques burkhardt scientific drawings kinosternon

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