14,893 Free Images of Scientific

jacques burkhardt scientific drawings harvard university jacques burkhardt watercolor on paper watercolor paintings 1865 in art ocean marine marine animals challenger expedition

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

jacques burkhardt scientific drawings fish fossils

Acara (Cupido), Jacques Burkhardt, 27 October 1865

jacques burkhardt scientific drawings watercolor paintings

Fossil lumpsucker (Canada, 1851), Jacques Burkhardt, 1851-??-??

jacques burkhardt scientific drawings fish fossils

Crenicichla wallaci (Teffe, Brazil), Jacques Burkhardt

jacques burkhardt scientific drawings crenicichla wallacii

Bodianus rufus, Jacques Burkhardt

jacques burkhardt scientific drawings watercolor paintings

Dasycercus blythi001, Robert Wendel, 31 December 1896

dasyuromorphia illustrations dasycercus blythi

HMS Terror thrown up by the ice., George Back

john franklin's lost expedition water transport in nunavut

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

jacques burkhardt scientific drawings fish fossils

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

jacques burkhardt scientific drawings watercolor paintings

Chorinemus saliens, Jacques Burkhardt, 24 June 1865

jacques burkhardt scientific drawings watercolor paintings

Centropomus, Jacques Burkhardt, 15 January 1865

jacques burkhardt scientific drawings watercolor paintings

Cistudo (side view), Jacques Burkhardt

jacques burkhardt scientific drawings watercolor paintings

Cistudo (side view), Jacques Burkhardt

jacques burkhardt scientific drawings watercolor paintings

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

jacques burkhardt scientific drawings watercolor paintings

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

jacques burkhardt scientific drawings watercolor paintings

Heros efasciatus, Jacques Burkhardt

jacques burkhardt scientific drawings heros efasciatus

Cistudo (side view), Jacques Burkhardt

jacques burkhardt scientific drawings watercolor paintings

Heros efasciatus, Jacques Burkhardt

jacques burkhardt scientific drawings heros efasciatus

Fossil fish and anatomical cross section (1854), Jacques Burkhardt, 1854-??-??

jacques burkhardt scientific drawings fish fossils

Crenicichla lugubris (Teffe, Brazil), Jacques Burkhardt

jacques burkhardt scientific drawings crenicichla lugubris

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

jacques burkhardt scientific drawings watercolor paintings

Metynnis sp. (Monte Alegre, Brazil, 25 August 1865), Jacques Burkhardt

jacques burkhardt scientific drawings metynnis

Chelys fimbriata (Cambridge, Mass., April 1863), Jacques Burkhardt, 1863-04-??

jacques burkhardt scientific drawings watercolor paintings

Cestarte? (Provincetown, Cape Cod, Mass., 2 April 1847), Jacques Burkhardt

jacques burkhardt scientific drawings watercolor paintings

Atherina, Jacques Burkhardt, 2 May 1865

jacques burkhardt scientific drawings watercolor paintings

Heros efasciatus (Gurupa, Brazil), Jacques Burkhardt

jacques burkhardt scientific drawings heros efasciatus

Acestridium discus (Manaos, Brazil), Jacques Burkhardt, 22 November 1865

jacques burkhardt scientific drawings watercolor paintings

Heros efasciatus (Porto de Mos, Brazil), Jacques Burkhardt

jacques burkhardt scientific drawings heros efasciatus

Alcyonidium (Charleston, South Carolina, 2 December 1851), Jacques Burkhardt

jacques burkhardt scientific drawings watercolor paintings

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Aulus Oken (Nahant, Mass., 3 July 1863), Jacques Burkhardt

jacques burkhardt scientific drawings watercolor paintings

Alosa tyrannus (Mystic River, Mass., June 1869), Jacques Burkhardt

jacques burkhardt scientific drawings watercolor paintings

Cichlid (Boston, Mass., 9 February 1860), Jacques Burkhardt

jacques burkhardt scientific drawings watercolor paintings

Cichla n.sp. (Lago Maximo, Brazil), Jacques Burkhardt

jacques burkhardt scientific drawings watercolor paintings

2 cichlids (Teffe and Lago Maximo, Brazil), Jacques Burkhardt

jacques burkhardt scientific drawings watercolor paintings

Crenicichla marmorata (Lago Maximo, Brazil; green and red), Jacques Burkhardt

jacques burkhardt scientific drawings crenicichla marmorata

Heros efasciatus (Porto de Mos, Brazil), Jacques Burkhardt

jacques burkhardt scientific drawings heros efasciatus

Catoprion mento (Lago Jose Assu, Brazil), Jacques Burkhardt

jacques burkhardt scientific drawings watercolor paintings

Scientific Instrument, Optical Instrument, Microscope, Product

microscope product

Analysis fish health

Microscope, Scientific Instrument, Optical Instrument, Product

microscope angle

Gymnotus mamiraua? (Tajapuru, Brazil, 1866), Jacques Burkhardt, 1866-??-??

jacques burkhardt scientific drawings gymnotus

Laetacara thayeri (Manaus, Brazil, 12 September 1865), Jacques Burkhardt

jacques burkhardt scientific drawings laetacara

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

jacques burkhardt scientific drawings geophagus

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

jacques burkhardt scientific drawings emys

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

jacques burkhardt scientific drawings haemulon

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

jacques burkhardt scientific drawings haemulon

Gymnotus jonasi (Solimoes River, Brazil, 1866), Jacques Burkhardt, 1866-??-??

jacques burkhardt scientific drawings gymnotus

Loricariinae (Teffe, Brazil, 6 October 1865; 2 fish), Jacques Burkhardt

jacques burkhardt scientific drawings loricariinae

Emys marginata and Emys bellii (April 1856), Jacques Burkhardt, 1856-04-??

jacques burkhardt scientific drawings emys

Alligator and two anatomical cross sections of its head (Cayman Islands?, June 1854), Jacques Burkhardt, 1854-06-??

jacques burkhardt scientific drawings watercolor paintings

Ageneiosus sp. and Propimelodus eigenmanni (Para, Brazil, 6 January 1866), Jacques Burkhardt

jacques burkhardt scientific drawings watercolor paintings

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

jacques burkhardt scientific drawings lutjaniformes

Laetacara thayeri (Manaus, Brazil, 16 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

Homulon (Petite) (Rio de Janeiro, Brazil, 8 July 1865), Jacques Burkhardt

jacques burkhardt scientific drawings haemulon

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

jacques burkhardt scientific drawings laetacara

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

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

jacques burkhardt scientific drawings emys

Geophagus altifrons (Santarem, Brazil, 26 August 1865), Jacques Burkhardt

jacques burkhardt scientific drawings geophagus

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

jacques burkhardt scientific drawings hypostomus

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

jacques burkhardt scientific drawings gymnothorax

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

jacques burkhardt scientific drawings emys

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

jacques burkhardt scientific drawings emys

Gymnothorax (New species) (Rio de Janeiro, Brazil, July 14, 1865), Jacques Burkhardt, 14 July 1865

jacques burkhardt scientific drawings gymnothorax

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

jacques burkhardt scientific drawings gymnothorax

Laetacara thayeri (Teffe, Brazil, 27 September 1865), Jacques Burkhardt

jacques burkhardt scientific drawings laetacara

Hypostomus emarginata (Tajapuru, Tonantins; Sao Paulo, Brazil; 17-18 September 1865; 2 fish), Jacques Burkhardt

jacques burkhardt scientific drawings hypostomus

Laetacara curviceps (Lago Jose Assu, Brazil, 29 August 1865), Jacques Burkhardt

jacques burkhardt scientific drawings laetacara

Laetacara thayeri (Manaus, Brazil, 13 November 1865), Jacques Burkhardt

jacques burkhardt scientific drawings laetacara

Catfish (Monte Alegre, Manaus, Cachimbo, Brazil, August-September 1865; 3 genuses), Jacques Burkhardt, 6 September 1865

jacques burkhardt scientific drawings 1865 in art

Mollusk (Turtles, Florida), Jacques Burkhardt

jacques burkhardt scientific drawings mollusca in art

Shark (Nahant, Mass., 1864), Jacques Burkhardt, 1864-??-??

jacques burkhardt scientific drawings sharks in art

Hemisorubim platyrhynchos (Tocantins, Brazil, 21 September 1865), Jacques Burkhardt

jacques burkhardt scientific drawings hemisorubim platyrhynchos

Mollusk (Mactra solidissima?) (4 drawings), Jacques Burkhardt

jacques burkhardt scientific drawings mollusca in art

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

jacques burkhardt scientific drawings emys

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

jacques burkhardt scientific drawings 1856 in art

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

jacques burkhardt scientific drawings 1856 in art

Shark (Nantucket, Mass.?, August 1853), Jacques Burkhardt, 1853-08-??

jacques burkhardt scientific drawings sharks in art

Mollusk (Turtles, Florida, 10 April 1858), Jacques Burkhardt

jacques burkhardt scientific drawings mollusca in art

Mollusk (Turtles, Florida, 9 April 1858), Jacques Burkhardt

jacques burkhardt scientific drawings mollusca in art

Hepatus princeps (Herbst) (1855), Jacques Burkhardt, 1855-??-??

jacques burkhardt scientific drawings hepatus

Achirus (Rio de Janeiro, Brazil, 16 June 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

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