66,117 Free Images of Harvard University

jacques burkhardt scientific drawingsjacques burkhardtwatercolor on paper1865 in artemys1856 in artpencil on paper1852 in artgymnotus1855 in art
Emys elegans (bottom view) (Washington, Mississippi, 1856), Jacques Burkhardt, 1856-??-??
jacques burkhardt scientific drawingsemys
Fossil (eight views) (3 April 1847), Jacques Burkhardt, 3 April 1847
jacques burkhardt scientific drawingsfossils
Emys elegans (side view) (Washington, Mississippi, 1856), Jacques Burkhardt, 1856-??-??
jacques burkhardt scientific drawingsemys
Emys picta (top view) (Cambridge, Mass., 1852), Jacques Burkhardt, 1852-??-??
jacques burkhardt scientific drawingsemys
Emys mobiliensis (front view of head) (1855), Jacques Burkhardt, 1855-??-??
jacques burkhardt scientific drawingsemys
Emys marginata (top and bottom views) (1856), Jacques Burkhardt, 1856-??-??
jacques burkhardt scientific drawingsemys
Loricariinae (Maues, Brazil, 12 December 1865), Jacques Burkhardt
jacques burkhardt scientific drawingsloricariinae
Emys hoyii (side view) (Western Missouri, 1856), Jacques Burkhardt, 1856-??-??
jacques burkhardt scientific drawingsemys
Emys hoyii (bottom view) (Western Missouri, 1856), Jacques Burkhardt, 1856-??-??
jacques burkhardt scientific drawingsemys
Sphyraena (Rio de Janeiro, Brazil, 18 July 1865) 2, Jacques Burkhardt
jacques burkhardt scientific drawings1865 in art
Zygona tiburo (Rio de Janeiro, Brazil, 4 July 1865), Jacques Burkhardt
jacques burkhardt scientific drawings1865 in art
Halichoeres sp. (Rio de Janeiro, Brazil, 1 June 1865), Jacques Burkhardt
jacques burkhardt scientific drawings1865 in art
Tetraodon (Rio de Janeiro, Brazil, 22 July 1865), Jacques Burkhardt
jacques burkhardt scientific drawings1865 in art
Scomberoides (Rio de Janeiro, Brazil, 26 June 1865), Jacques Burkhardt
jacques burkhardt scientific drawings1865 in art
Holocentrum (Rio de Janeiro, Brazil, 1 June 1865), Jacques Burkhardt
jacques burkhardt scientific drawings1865 in art
Trachinotus (Rio de Janeiro, Brazil, 21 June 1865), Jacques Burkhardt
jacques burkhardt scientific drawings1865 in art
Leporinus (Pirahy Bar, Brazil, 27 April 1865), Jacques Burkhardt
jacques burkhardt scientific drawings1865 in art
Brehms Tierleben BHL2977476
cryptobranchus alleganiensisbrehms tierleben
Sphyraena (Rio de Janeiro, Brazil, 18 July 1865), Jacques Burkhardt
jacques burkhardt scientific drawings1865 in art
Satanoperca lilith (Manaus, Brazil, 23 November 1865), Jacques Burkhardt
jacques burkhardt scientific drawings1865 in art
Porichthys sp. (Rio de Janeiro, Brazil, 10 July 1865), Jacques Burkhardt
jacques burkhardt scientific drawings1865 in art
Satanoperca jurupari (Teffe, Brazil, 16 October 1865), Jacques Burkhardt
jacques burkhardt scientific drawings1865 in art
Meletta (Rio de Janeiro, Brazil, 19 June 1865), Jacques Burkhardt
jacques burkhardt scientific drawings1865 in art
Jacunda piranga (Teffe, Brazil, 26 September 1865), Jacques Burkhardt
jacques burkhardt scientific drawings1865 in art
Julis (Cossyphus) (Rio de Janeiro, Brazil, 1 June 1865), Jacques Burkhardt
jacques burkhardt scientific drawings1865 in art
Trachinotus (Rio de Janeiro, Brazil, 5 July 1865), Jacques Burkhardt
jacques burkhardt scientific drawings1865 in art
Distocyclus conirostris (Teffe, Brazil, 17 October 1865), Jacques Burkhardt
jacques burkhardt scientific drawings1865 in art
Sargus (Rio de Janeiro, Brazil, 6 July 1865), Jacques Burkhardt
jacques burkhardt scientific drawings1865 in art
Malacanthus (Rio de Janeiro, Brazil, 13 July 1865), Jacques Burkhardt
jacques burkhardt scientific drawings1865 in art
Dentex (Rio de Janeiro, Brazil, 11 July 1865), Jacques Burkhardt
jacques burkhardt scientific drawings1865 in art
Sparidae (Rio de Janeiro, Brazil, 13 July 1865), Jacques Burkhardt
jacques burkhardt scientific drawings1865 in art
Satanoperca acuticeps (Manaus, Brazil, 17 November 1865), Jacques Burkhardt
jacques burkhardt scientific drawings1865 in art
Myleus sp. (Maues, Brazil, 19 December 1865; 2 fish), Jacques Burkhardt
jacques burkhardt scientific drawingsmyleus
Gymnotus coropinae (Lago Maximo, Brazil, 1866), Jacques Burkhardt, 1866-??-??
jacques burkhardt scientific drawingsgymnotus
Emys rubriventris (bottom view) (December 1855), Jacques Burkhardt, 1855-12-??
jacques burkhardt scientific drawingsemys
Hypselecara temporalis (Teffe, Brazil, 10 October 1865), Jacques Burkhardt
jacques burkhardt scientific drawingshypselecara
Gymnotus coropinae (Tajapuru, Brazil, 28 August 1865), Jacques Burkhardt
jacques burkhardt scientific drawingsgymnotus
Emys floridana (partial top view) (Columbus, Georgia, 1856), Jacques Burkhardt, 1856-??-??
jacques burkhardt scientific drawingsemys
Loricaria sp. (Macacos, Brazil, 26 May 1865), Jacques Burkhardt
jacques burkhardt scientific drawingsloricaria
Ophiolepis elongata (Charleston, South Carolina, 29 January 1852), Jacques Burkhardt
jacques burkhardt scientific drawingsophiolepis
Hepatus princeps (Herbst) (1 March 1852), Jacques Burkhardt, 1 March 1852
jacques burkhardt scientific drawingshepatus
Emys bellii (side view) (Milwaukee, Wisconsin, 1856), Jacques Burkhardt, 1856-??-??
jacques burkhardt scientific drawingsemys
Emys rubriventris (side view) (1856), Jacques Burkhardt, 1856-??-??
jacques burkhardt scientific drawingsemys
Emys rubriventris (top view) (Washington, D.C., 1856), Jacques Burkhardt, 1856-??-??
jacques burkhardt scientific drawingsemys
Emys elegans (side view) (Washington, Mississippi, March 1856), Jacques Burkhardt, 1856-03-??
jacques burkhardt scientific drawingsemys
Gymnotus coatesi (Gurupa, Brazil, 1866), Jacques Burkhardt, 1866-??-??
jacques burkhardt scientific drawingsgymnotus
Ophiolepis elongata (Sullivan's Island, South Carolina, 1852), Jacques Burkhardt
jacques burkhardt scientific drawingsophiolepis
Hypostomus sp. (Parahiba, Brazil, 24 May 1865), Jacques Burkhardt
jacques burkhardt scientific drawingshypostomus
Loricaria sp. (Macacos, Brazil, 26 May 1865) 2, Jacques Burkhardt
jacques burkhardt scientific drawingsloricaria
Eigenmannia sp. (Teffe, Brazil, 13 October 1865; 2 fish), Jacques Burkhardt
jacques burkhardt scientific drawingseigenmannia
Emys pseudogeographica (top view) (Washington, Mississippi, 1856), Jacques Burkhardt, 1856-??-??
jacques burkhardt scientific drawingsemys
Emys rubriventris (side view) (January 1856), Jacques Burkhardt, 1856-01-??
jacques burkhardt scientific drawingsemys
Kinosternon pennsylvania (three views of head) (1855), Jacques Burkhardt, 1855-??-??
jacques burkhardt scientific drawingskinosternon
Emys rubriventris (bottom view) (Washington, D.C., 1856), Jacques Burkhardt, 1856-??-??
jacques burkhardt scientific drawingsemys
Laetacara thayeri (Teffe, Brazil, 9 October 1865), Jacques Burkhardt
jacques burkhardt scientific drawingslaetacara
Emys rubriventris (side view) (1856), Jacques Burkhardt, 1856-??-??
jacques burkhardt scientific drawingsemys
Emys floridana (top view and arm) (Mobile, Alabama, 1856), Jacques Burkhardt, 1856-??-??
jacques burkhardt scientific drawingsemys
Emys floridana (side view and eye) (Mobile, Alabama, 1856), Jacques Burkhardt, 1856-??-??
jacques burkhardt scientific drawingsemys
Ophiolepis elegans (Charleston, South Carolina, 30 January 1852?), Jacques Burkhardt
jacques burkhardt scientific drawingsophiolepis
Emys rubriventris (bottom view) (January 1856), Jacques Burkhardt, 1856-01-??
jacques burkhardt scientific drawingsemys
Emys floridana (side, bottom and top views) (1856), Jacques Burkhardt, 1856-??-??
jacques burkhardt scientific drawingsemys
Mesonauta sp. (Lake January, Brazil, 29 October 1865), Jacques Burkhardt
jacques burkhardt scientific drawingsmesonauta
Emys nigra Hall (top view) (Southern California, 1856), Jacques Burkhardt, 1856-??-??
jacques burkhardt scientific drawingsemys
Gymnotus sp. (Gurupa, Brazil, 23 August 1865), Jacques Burkhardt
jacques burkhardt scientific drawingsgymnotus
Gymnotus carapo (Lake January, Brazil, 1866), Jacques Burkhardt, 1866-??-??
jacques burkhardt scientific drawingsgymnotus
Geophagus n.sp. 1 (Maues, Brazil, 18 December 1865), Jacques Burkhardt
jacques burkhardt scientific drawingsgeophagus
Apistogramma agassizii (Manaos, Brazil, 16 November 1865), Jacques Burkhardt
jacques burkhardt scientific drawings1865 in art
Aequidens pallidus (Manaus, Brazil, 12 November 1865), Jacques Burkhardt
jacques burkhardt scientific drawings1865 in art
Apistogramma agassizii (Manaos, Brazil, 17 November 1865), Jacques Burkhardt
jacques burkhardt scientific drawings1865 in art
Apistogramma pertensis (Manaus, Brazil, 12 November 1865), Jacques Burkhardt
jacques burkhardt scientific drawings1865 in art
Myloplus asterias (Porto de Mos, Brazil, 23 August 1865), Jacques Burkhardt
jacques burkhardt scientific drawings1865 in art
Plagusia brasiliensis (Rio de Janeiro, Brazil, 5 July 1865), Jacques Burkhardt
jacques burkhardt scientific drawings1865 in art
Satanoperca jurupari (Lake January, Brazil, 26 October 1865), Jacques Burkhardt
jacques burkhardt scientific drawings1865 in art
Remora brachyptera (Rio de Janeiro, Brazil, 11 June 1865), Jacques Burkhardt
jacques burkhardt scientific drawings1865 in art
Satanoperca lilith (Manaus, Brazil, 23 November 1865), Jacques Burkhardt
jacques burkhardt scientific drawings1865 in art
Pimelodus blochii (Sao Paulo, Brazil, 1865), Jacques Burkhardt, 18 September 1865
jacques burkhardt scientific drawings1865 in art
Rhinoptera brasiliensis (Rio de Janeiro, Brazil, 16 July 2005), Jacques Burkhardt, 16 July 1865
jacques burkhardt scientific drawings1865 in art
Serrasalmus sp. (Belem, Para, Brazil, August 14, 1865), Jacques Burkhardt, 14 August 1865
jacques burkhardt scientific drawings1865 in art
Oxydoras niger (Teffe, Brazil, October 9, 1865), Jacques Burkhardt, 9 October 1865
jacques burkhardt scientific drawings1865 in art
Trachinotus falcatus (Rio de Janeiro, Brazil, 13 July 1865), Jacques Burkhardt
jacques burkhardt scientific drawings1865 in art
Satanoperca jurupari (Maues, Brazil, 18 December 1865), Jacques Burkhardt
jacques burkhardt scientific drawings1865 in art
Narcine brasiliensis (Rio de Janeiro, Brazil, 8 July 1865), Jacques Burkhardt
jacques burkhardt scientific drawings1865 in art
Delturus parahybae (Parahiba, Brazil, 24 May 1865), Jacques Burkhardt
jacques burkhardt scientific drawings1865 in art
Lemnodon saltator (Rio de Janeiro, Brazil, 18 July 1865), Jacques Burkhardt
jacques burkhardt scientific drawings1865 in art
Emys picta (anatomical part) (three views) (Boston, Mass., 30 June 1847), Jacques Burkhardt
jacques burkhardt scientific drawingsemys
Laetacara thayeri (Teffe, Brazil, 5 October 1865), Jacques Burkhardt
jacques burkhardt scientific drawingslaetacara
Geophagus brasiliensis (Rio de Janeiro, Brazil, 22 July 1865), Jacques Burkhardt
jacques burkhardt scientific drawingsgeophagus
Mylossoma aureum (Teffe, Brazil, 14 October 1865), Jacques Burkhardt
jacques burkhardt scientific drawingsmylossoma
Mylossoma duriventre (Teffe, Brazil, 12 October 1865), Jacques Burkhardt
jacques burkhardt scientific drawingsmylossoma
Geophagus sp. (Tonantins, Brazil, 18 October 1865), Jacques Burkhardt
jacques burkhardt scientific drawingsgeophagus
Emys bellii and Emys marginata (bottom views) (March 1856), Jacques Burkhardt, 1856-03-??
jacques burkhardt scientific drawingsemys
Gymnotus arapaima (Lake January, Brazil, 16 November 1865), Jacques Burkhardt
jacques burkhardt scientific drawingsgymnotus
Emys decussata Cuba (side view and three anatomical parts) (1856), Jacques Burkhardt, 1856-??-??
jacques burkhardt scientific drawingsemys
Geophagus brasiliensis (Rio de Janeiro, Brazil, 19 July 1865), Jacques Burkhardt
jacques burkhardt scientific drawingsgeophagus
Emys rubriventris (top view) (Washington, D.C., 1856), Jacques Burkhardt, 1856-??-??
jacques burkhardt scientific drawingsemys
Echinoderm and five anatomical cross sections (Charleston, South Carolina, 20 February 1852), Jacques Burkhardt
jacques burkhardt scientific drawingsechinodermata
Laetacara thayeri (Lake January, Brazil, 26 October 1865), Jacques Burkhardt
jacques burkhardt scientific drawingslaetacara
Emys geographica (turtle-head front and side views) (December 1855), Jacques Burkhardt, 1855-12-??
jacques burkhardt scientific drawingsemys
Hypselecara temporalis (Lake January, Brazil, 26 October 1865), Jacques Burkhardt
jacques burkhardt scientific drawingshypselecara
Emys rubriventris (side view) (January 1856), Jacques Burkhardt, 1856-01-??
jacques burkhardt scientific drawingsemys
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