14,893 Free Images of Scientific

jacques burkhardt scientific drawings harvard university jacques burkhardt watercolor on paper 1865 in art turtles in art pencil on paper 1856 in art 1866 in art 1852 in art

Mollusk (Naushon Island, Mass.), Jacques Burkhardt

jacques burkhardt scientific drawings mollusca in art

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

jacques burkhardt scientific drawings turtles in art

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

jacques burkhardt scientific drawings turtles in art

Emerita talpoida (Say) (1855), Jacques Burkhardt, 1855-??-??

jacques burkhardt scientific drawings 1855 in art

Turtle (top view) (Cuba), Jacques Burkhardt

jacques burkhardt scientific drawings turtles in art

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

jacques burkhardt scientific drawings 1855 in art

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

jacques burkhardt scientific drawings turtles in art

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

jacques burkhardt scientific drawings turtles in art

Turtle head (front view, with mouth open), Jacques Burkhardt

jacques burkhardt scientific drawings turtles in art

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

jacques burkhardt scientific drawings turtles in art

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

jacques burkhardt scientific drawings turtles in art

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

jacques burkhardt scientific drawings 1847 in art

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

jacques burkhardt scientific drawings 1856 in art

Turtle (bottom view) (Natchez, Mississippi), Jacques Burkhardt

jacques burkhardt scientific drawings turtles in art

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

jacques burkhardt scientific drawings 1857 in art

Chelonia midas (side view of head), Jacques Burkhardt

jacques burkhardt scientific drawings chelonia mydas (illustrations)

Turtle (bottom, top and side views) (1852), Jacques Burkhardt, 1852-??-??

jacques burkhardt scientific drawings turtles in art

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

jacques burkhardt scientific drawings turtles in art

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

jacques burkhardt scientific drawings turtles in art

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

jacques burkhardt scientific drawings 1856 in art

Shark? (top view) (China, December 1853), Jacques Burkhardt, 1853-12-??

jacques burkhardt scientific drawings sharks in art

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

jacques burkhardt scientific drawings 1856 in art

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

jacques burkhardt scientific drawings 1866 in art

Turtle on grass (side view), Jacques Burkhardt

jacques burkhardt scientific drawings turtles in art

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

jacques burkhardt scientific drawings turtles in art

Phractocephalus hemioliopterus (Lago Maximo, Brazil, 1 September 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

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

jacques burkhardt scientific drawings turtles in art

Tetragonopterinae (Teffe, Brazil, 14 October 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Turtle (top view) (18 June 1858), Jacques Burkhardt, 18 June 1858

jacques burkhardt scientific drawings turtles in art

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

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

jacques burkhardt scientific drawings turtles in art

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

jacques burkhardt scientific drawings turtles in art

Turtle (bottom view) (Cambridge, Mass., June 1852), Jacques Burkhardt, 1852-06-??

jacques burkhardt scientific drawings turtles in art

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

jacques burkhardt scientific drawings turtles in art

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

jacques burkhardt scientific drawings sharks in art

Crabs (10 April 1851; 3 specimens), Jacques Burkhardt, 10 April 1851

jacques burkhardt scientific drawings crabs in art

Turtle (top view) (Cambridge, Mass., May 1852), Jacques Burkhardt, 1852-05-??

jacques burkhardt scientific drawings turtles in art

Sternopygus macrurus (Teffe, Brazil, 1866), Jacques Burkhardt, 1866-??-??

jacques burkhardt scientific drawings 1866 in art

Mercenary Menippe (Say) (1855), Jacques Burkhardt, 1855-??-??

jacques burkhardt scientific drawings menippe mercenaria

Aequidens mauesanus (Maues, Brazil, 17 December 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Myletes (Monte Alegre, Brazil, 25 August 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Pristis perrotteti (Para, Brazil, 14 August 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

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

jacques burkhardt scientific drawings turtles in art

Sternopygus astrabes (Teffe, Brazil, 1866), Jacques Burkhardt, 1866-??-??

jacques burkhardt scientific drawings 1866 in art

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

jacques burkhardt scientific drawings turtles in art

Chrysemys oregonensis (bottom view) (1857), Jacques Burkhardt, 1857-??-??

jacques burkhardt scientific drawings chrysemys picta bellii

Squilla neglecta (5 February 1852), Jacques Burkhardt, 5 February 1852

jacques burkhardt scientific drawings 1852 in art

Hemipholis (Charleston, South Carolina, 13 March 1852), Jacques Burkhardt

jacques burkhardt scientific drawings 1852 in art

Chrysemys oregonensis (side view) (1857), Jacques Burkhardt, 1857-??-??

jacques burkhardt scientific drawings chrysemys picta bellii

Turtle emerging from egg (4 October 1853), Jacques Burkhardt, 4 October 1853

jacques burkhardt scientific drawings turtles in art

Chrysemys oregonensis (top view) (1857), Jacques Burkhardt, 1857-??-??

jacques burkhardt scientific drawings chrysemys picta bellii

Rineloricaria sp. (Teffe, Brazil, 11 August 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Buccinum trivittatum (Nantucket, Mass., 30 August 1847), Jacques Burkhardt

jacques burkhardt scientific drawings illustrations of snails

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

jacques burkhardt scientific drawings turtles in art

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

jacques burkhardt scientific drawings turtles in art

Farlowella sp. (Teffe, Brazil, 5 and 8 October 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Mollusk (Mactra solidissima?) (Nahant, Mass., 6 July 1848?, Jacques Burkhardt

jacques burkhardt scientific drawings mollusca in art

Farlowella sp. (Lake January, Brazil, 23 October 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Fossil fish (New York, N.Y., 1847), Jacques Burkhardt, 1847-??-??

jacques burkhardt scientific drawings fish fossils

Cambarus (Somerville, Mass., April 1852), Jacques Burkhardt, 1852-04-??

jacques burkhardt scientific drawings 1852 in art

Ancistrus sp. (Tajapuru, Brazil, 22 August 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

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

jacques burkhardt scientific drawings 1856 in art

Bryozoa and anatomical parts (Tortugas, Florida, 8 April 1856), Jacques Burkhardt

jacques burkhardt scientific drawings 1856 in art

Serranus (Rio de Janeiro, Brazil, 20 July 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Turtle (top view and cross section of head) (June 1854), Jacques Burkhardt, 1854-06-??

jacques burkhardt scientific drawings turtles in art

Unidentifiable fish (Lago Jose Assu, Brazil, 29 August 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Tatia sp. (Teffe, Brazil, 11 October 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Ophiothrix angulata (Charleston, South Carolina, 9 January 1852?), Jacques Burkhardt

jacques burkhardt scientific drawings 1852 in art

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

jacques burkhardt scientific drawings turtles in art

Rhamdia sp. (Teffe, Brazil, 28 September 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Serranus (Rio de Janeiro, Brazil, 3 June 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Epinephelus sp. (Rio de Janeiro, Brazil, 7 June 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Satanoperca acuticeps (Maues, Brazil, 17 December 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

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

jacques burkhardt scientific drawings turtles in art

Sternopygus macrurus (Lake January, Brazil, 1866), Jacques Burkhardt, 1866-??-??

jacques burkhardt scientific drawings 1866 in art

Satanoperca acuticeps (Teffe, Brazil, 16 October 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Unidentifiable fish (Lake January, Brazil, 27 October 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Turtle shell (top view) (2 September 1852), Jacques Burkhardt, 2 September 1852

jacques burkhardt scientific drawings turtles in art

Glanidium melanopterum (Pirahy, Brazil, 22 May 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Shark? (side view and anatomical cross section) (China, December 1853), Jacques Burkhardt, 1853-12-??

jacques burkhardt scientific drawings sharks in art

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

jacques burkhardt scientific drawings 1865 in art

Sorubim lima (Tonantins, Brazil, 17 September 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Trionyx ferox Georgia (top view) (November 1855), Jacques Burkhardt, 1855-11-??

jacques burkhardt scientific drawings 1855 in art

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

jacques burkhardt scientific drawings turtles in art

Two cichlids (Manaos, Brazil, 17 November 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Lithodoras dorsalis (Para, Brazil, 15 January 1866), Jacques Burkhardt

jacques burkhardt scientific drawings 1866 in art

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

jacques burkhardt scientific drawings 1865 in art

Doris (two views) (Charleston, South Carolina, 10 January 1852), Jacques Burkhardt

jacques burkhardt scientific drawings 1852 in art

Hybonotus variegatus (Breves, Marajo, Brazil, 21 August 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Diplectrum Holbrook (Rio de Janeiro, Brazil, 14 June 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Unidentifiable loricariid (Lake January, Brazil, 29 October 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Otolithus (Rio de Janeiro, Brazil, 12 July 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Rineloricaria sp. (Lake Coary, Brazil, 23 October 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

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

jacques burkhardt scientific drawings 1865 in art

Bunocephalus coracoideus (Tajapuru, Brazil, 22 August 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Sternopygus macrurus (Lago Maximo, Brazil, 1866), Jacques Burkhardt, 1866-??-??

jacques burkhardt scientific drawings 1866 in art

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

jacques burkhardt scientific drawings 1865 in art

Ophiothrix angulata (Charleston, South Carolina, 6 January 1852?), Jacques Burkhardt

jacques burkhardt scientific drawings 1852 in art

Colossoma macropomum (Teffe, Brazil, 5 October 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

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