1,593 Free Images of Jacques Burkhardt

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

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

Apistogramma pertensis (Lake January, Brazil, 17 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

Eigenmannia virescens (Teffe, Brazil, 1866), Jacques Burkhardt, 1866-??-??

jacques burkhardt scientific drawings eigenmannia

Satanoperca jurupari (Lago Maximo, Brazil), Jacques Burkhardt

jacques burkhardt scientific drawings watercolor on paper

Prionotus pilatus (Boston, Mass., August 1859), Jacques Burkhardt

jacques burkhardt scientific drawings watercolor on paper

Ophiolepis elegans (Charleston, South Carolina, 30 January 1852?), Jacques Burkhardt

jacques burkhardt scientific drawings ophiolepis

Crenicichla lacustris (Pirahy, Brazil, 19 May 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

Emys serrata (side view) (Charleston, South Carolina, January 1856), Jacques Burkhardt, 1856-01-??

jacques burkhardt scientific drawings emys

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

jacques burkhardt scientific drawings geophagus

Crenicichla saxatilis (Teffe, Brazil, 17 October 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Geophagus brasiliensis (Rio de Janeiro, Brazil, 19 July 1865), Jacques Burkhardt

jacques burkhardt scientific drawings geophagus

Loricaria sp. (Macacos, Brazil, 26 May 1865) 2, Jacques Burkhardt

jacques burkhardt scientific drawings loricaria

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

jacques burkhardt scientific drawings echinodermata

Geophagus brasiliensis (Rio Novo, Brazil, 3 July 1865), Jacques Burkhardt

jacques burkhardt scientific drawings geophagus

Crenicichla wallaci (Lake January, Brazil, 16 November 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Emys geographica (2 turtle-mouth views) (January 1856), Jacques Burkhardt, 1856-01-??

jacques burkhardt scientific drawings emys

Myleus sp. (Maues, Brazil, 19 December 1865; 2 fish), Jacques Burkhardt

jacques burkhardt scientific drawings myleus

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

jacques burkhardt scientific drawings mollusca in art

Gymnotus coropinae (Tajapuru, Brazil, 28 August 1865), Jacques Burkhardt

jacques burkhardt scientific drawings gymnotus

3 knifefish (Lake January, Brazil), Jacques Burkhardt

jacques burkhardt scientific drawings watercolor paintings

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

jacques burkhardt scientific drawings emys

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

jacques burkhardt scientific drawings 1865 in art

Eigenmannia sp. (Teffe, Brazil, 13 October 1865; 2 fish), Jacques Burkhardt

jacques burkhardt scientific drawings eigenmannia

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

jacques burkhardt scientific drawings 1865 in art

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

jacques burkhardt scientific drawings laetacara

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

jacques burkhardt scientific drawings mylossoma

Crenicichla lacustris (Pirahy River, Brazil, 22 May 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Hemisorubim platyrhynchos (16 September 1865), Jacques Burkhardt, 16 September 1865

jacques burkhardt scientific drawings hemisorubim platyrhynchos

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

jacques burkhardt scientific drawings myleus

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

jacques burkhardt scientific drawings mesonauta

Unidentified specimen (Cambridge, Mass., June 1852), Jacques Burkhardt, 1852-06-??

jacques burkhardt scientific drawings watercolor on paper

Ceten graulis edentular Cuv., Jacques Burkhardt, 8 June 1865

jacques burkhardt scientific drawings watercolor paintings

Nine fish-scale cross sections (New York, N.Y.), Jacques Burkhardt

jacques burkhardt scientific drawings watercolor on paper

Stingray (Para, Brazil, 5 January 1866), Jacques Burkhardt

jacques burkhardt scientific drawings 1866 in art

Turtle (top view) (June 1852), Jacques Burkhardt, 1852-06-??

jacques burkhardt scientific drawings turtles in art

Fossil (back, side, and front views) (New York, N.Y.), Jacques Burkhardt

jacques burkhardt scientific drawings fossils

Uaru amphiacanthoides (Teffe, Brazil), Jacques Burkhardt

jacques burkhardt scientific drawings watercolor on paper

Emys elegans (top view) (New Orleans, Louisiana), Jacques Burkhardt

jacques burkhardt scientific drawings emys

Echinoderm (Neuchatel, Switzerland, 1837), Jacques Burkhardt, 1837-??-??

jacques burkhardt scientific drawings echinodermata

Two starfish (Neuchatel, Switzerland, January 1837), Jacques Burkhardt, 1837-01-??

jacques burkhardt scientific drawings pencil on paper

Kinosternon flavescens (top view) (1857), Jacques Burkhardt, 1857-??-??

jacques burkhardt scientific drawings kinosternon

Malaclemys concentrie head (1855), Jacques Burkhardt, 1855-??-??

jacques burkhardt scientific drawings 1855 in art

Centropomus, Jacques Burkhardt, 15 January 1865

jacques burkhardt scientific drawings watercolor paintings

Echinoderm (Neuchatel, Switzerland, 1837), Jacques Burkhardt, 1837-??-??

jacques burkhardt scientific drawings echinodermata

Bryozoa (Key West, Florida, March 1858), Jacques Burkhardt, 1858-03-??

jacques burkhardt scientific drawings bryozoa

Kinosternon odoratum (top view), Jacques Burkhardt

jacques burkhardt scientific drawings kinosternon

Alligator mississippiensis (April 1850), Jacques Burkhardt, 1850-04-??

jacques burkhardt scientific drawings watercolor paintings

Stingray (New York, N.Y., 23 November 1847), Jacques Burkhardt

jacques burkhardt scientific drawings watercolor on paper

Uranoscopus occidentalis Ag., Jacques Burkhardt, 2 June 1865

jacques burkhardt scientific drawings watercolor on paper

Crepidula (Boston, Mass., March 1847), Jacques Burkhardt, 1847-03-??

jacques burkhardt scientific drawings 1847 in art

Fossil fish (two segments) (New York, N.Y.), Jacques Burkhardt

jacques burkhardt scientific drawings fish fossils

Turtle (bottom view) (May 1854), Jacques Burkhardt, 1854-05-??

jacques burkhardt scientific drawings turtles in art

Gastropod mollusk (Boston, Mass., July 1860), Jacques Burkhardt, 1860-07-??

jacques burkhardt scientific drawings watercolor on paper

Testudo polyphemus head (front view), Jacques Burkhardt

jacques burkhardt scientific drawings watercolor on paper

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

jacques burkhardt scientific drawings emys

Carapus cinctus (Tabatinga, Brazil, 1866), Jacques Burkhardt, 1866-??-??

jacques burkhardt scientific drawings watercolor paintings

Geophagus altifrons (Belem, Brazil), Jacques Burkhardt

jacques burkhardt scientific drawings geophagus

Tortue terrestre (1856), Jacques Burkhardt, 1856-??-??

jacques burkhardt scientific drawings 1856 in art

Turtle (top view) (May 1854), Jacques Burkhardt, 1854-05-??

jacques burkhardt scientific drawings turtles in art

Turtle (bottom view) (June 1854), Jacques Burkhardt, 1854-06-??

jacques burkhardt scientific drawings turtles in art

Solen ensis (Nahant, Mass., 1864) (6 drawings), Jacques Burkhardt, 1864-??-??

jacques burkhardt scientific drawings pencil on paper

Chorinemus saliens, Jacques Burkhardt, 24 June 1865

jacques burkhardt scientific drawings watercolor paintings

Unidentified fish (Nahant, Mass., 31 July 1850), Jacques Burkhardt

jacques burkhardt scientific drawings watercolor on paper

Turtle (bottom view) (May 1852), Jacques Burkhardt, 1852-05-??

jacques burkhardt scientific drawings turtles in art

Unidentified specimen and two cross sections (1857), Jacques Burkhardt, 1857-??-??

jacques burkhardt scientific drawings 1857 in art

Starfish (Neuchatel, Switzerland, 1837), Jacques Burkhardt, 1837-??-??

jacques burkhardt scientific drawings asteroidea

Conger, Jacques Burkhardt, 11 June 1865

jacques burkhardt scientific drawings watercolor on paper

Mylossoma aureum (Tonantins, Brazil), Jacques Burkhardt

jacques burkhardt scientific drawings mylossoma

Heros efasciatus, Jacques Burkhardt

jacques burkhardt scientific drawings heros efasciatus

Cistudo (side view), Jacques Burkhardt

jacques burkhardt scientific drawings watercolor paintings

Gymnothorax (Rio de Janeiro, Brazil, 2 June 1865), Jacques Burkhardt

jacques burkhardt scientific drawings gymnothorax

Acaronia nassa (Santarem, Brazil, 26 August 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Emys rubriventris (side view) (Washington, D.C., December 1855), Jacques Burkhardt, 1855-12-??

jacques burkhardt scientific drawings emys

Laetacara thayeri (Manaus, Brazil, 16 November 1865), Jacques Burkhardt

jacques burkhardt scientific drawings laetacara

Catfish marinus (Rio de Janeiro, Brazil, 7 July 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Geophagus juv. (Manaus, Brazil, November 20, 1865), Jacques Burkhardt, 20 November 1865

jacques burkhardt scientific drawings geophagus

Laetacara thayeri (Manaus, Brazil, 17 November 1865), Jacques Burkhardt

jacques burkhardt scientific drawings laetacara

Emys rubriventris (top view) (Washington, D.C., December 1855), Jacques Burkhardt, 1855-12-??

jacques burkhardt scientific drawings emys

Mesoprion uninotatus (Rio de Janeiro, Brazil, 9 May 1865), Jacques Burkhardt

jacques burkhardt scientific drawings lutjaniformes

Mugil (Unpublished pieces) (Rio de Janeiro, Brazil, 4 May 1865), Jacques Burkhardt

jacques burkhardt scientific drawings mugil

Gymnotus pantherinus (Santa Cruz, Rio de Janeiro, Brazil, 1866), Jacques Burkhardt, 1866-??-??

jacques burkhardt scientific drawings gymnotus

Fistularia tobacconist (Rio de Janeiro, Brazil, 2 June 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Hypostomus emarginata (Tajapuru, Brazil, 21 August 1865), Jacques Burkhardt

jacques burkhardt scientific drawings hypostomus

Centromochlus heckelii (Tajapuru, Brazil, 28 August 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Aequidens pallidus (Manaus, Brazil, 12 November 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Sphyraena (Rio de Janeiro, Brazil, 18 July 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Sciaenidae (Rio de Janeiro, Brazil, 1 June 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Dentex (Rio de Janeiro, Brazil, 11 July 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Acarichthys heckelii (Lake January, Brazil, 27 October 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Acarichthys heckelii (Lake January, Brazil, 26 October 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Belone truncata (Rio de Janeiro, Brazil, 15 July 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

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

jacques burkhardt scientific drawings gymnothorax

2 sorubim (Manaus, Brazil, 6 September 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Crenicichla marmorata (Maues, Brazil, 16 December 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Chelys imbricata (bottom view) (Key West, Florida, 1856), Jacques Burkhardt, 1856-??-??

jacques burkhardt scientific drawings 1856 in art

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

jacques burkhardt scientific drawings 1856 in art

Brachyhypopomus janeiroensis (Rio Parahiba, Brazil, 1866), Jacques Burkhardt, 1866-??-??

jacques burkhardt scientific drawings watercolor paintings

901 - 1000 of 1,593 Next page

/ 16