10,636 Free Images of Classification

harvard university jacques burkhardt scientific drawings jacques burkhardt watercolor on paper identification nomenclature smithsonian libraries pencil on paper animals ernst mayr library

Emys marginata (1 top and 2 bottom views), Jacques Burkhardt

jacques burkhardt scientific drawings emys

Echinoderm and anatomical cross sections (Tortugas, Florida, 1858), Jacques Burkhardt, 1858-??-??

jacques burkhardt scientific drawings echinodermata

Saxicava (Nahant, Mass., 1864) (9 drawings), Jacques Burkhardt, 1864-??-??

jacques burkhardt scientific drawings pencil on paper

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

jacques burkhardt scientific drawings turtles in art

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

jacques burkhardt scientific drawings 1855 in art

Uranoscopus occidentalis Ag., Jacques Burkhardt, 2 June 1865

jacques burkhardt scientific drawings watercolor on paper

Serranus (Bermuda, 1862; fish and partial fin), Jacques Burkhardt, 1862-??-??

jacques burkhardt scientific drawings pencil on paper

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

jacques burkhardt scientific drawings fish fossils

Testudo polyphemus head (front view), Jacques Burkhardt

jacques burkhardt scientific drawings watercolor on paper

Heros efasciatus, Jacques Burkhardt

jacques burkhardt scientific drawings heros efasciatus

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

jacques burkhardt scientific drawings watercolor paintings

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

jacques burkhardt scientific drawings fossils

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animals anatomy

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animals anatomy

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identification orchid

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cornell university library insects illustration

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arthropoda insects

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animals anatomy

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arthropoda insects

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arthropoda insects

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arthropoda insects

4 turtle drawings (2 top and 2 bottom views) (Cambridge, Mass., May 1852 and May 1854), Jacques Burkhardt, 1852-05-??

jacques burkhardt scientific drawings 1852 in art

Emys hoyii (side view) (Western Missouri, 1856), Jacques Burkhardt, 1856-??-??

jacques burkhardt scientific drawings emys

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

jacques burkhardt scientific drawings emys

Mollusk (Charleston, South Carolina, 10 February 1852), Jacques Burkhardt

jacques burkhardt scientific drawings mollusca in art

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

jacques burkhardt scientific drawings turtles in art

Turtle (bottom view) (Columbus, Georgia, 1856), Jacques Burkhardt, 1856-??-??

jacques burkhardt scientific drawings turtles in art

Emys mobiliensis (side view of head) (1855), Jacques Burkhardt, 1855-??-??

jacques burkhardt scientific drawings emys

Turtle (top view) (1857), Jacques Burkhardt, 1857-??-??

jacques burkhardt scientific drawings turtles in art

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

jacques burkhardt scientific drawings echinodermata

Emys mobiliensis (side view) (Mobile, Alabama, 1856), Jacques Burkhardt, 1856-??-??

jacques burkhardt scientific drawings emys

Turtle (bottom view) (1857), Jacques Burkhardt, 1857-??-??

jacques burkhardt scientific drawings turtles in art

Emys picta (top view) (Cambridge, Mass., 1852), Jacques Burkhardt, 1852-??-??

jacques burkhardt scientific drawings emys

Axius serratus Stimpson? (May 1852), Jacques Burkhardt, 1852-05-??

jacques burkhardt scientific drawings 1852 in art

Microphrys bicornutus (1855), Jacques Burkhardt, 1855-??-??

jacques burkhardt scientific drawings 1855 in art

American oath (Massachusetts Bay, June 1860), Jacques Burkhardt, 1860-06-??

jacques burkhardt scientific drawings tautog

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animals insects

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Geophagus brasiliensis (Rio Novo, Brazil, 29 June 1865), Jacques Burkhardt

jacques burkhardt scientific drawings geophagus

Turtle on grass (side view) (1858), Jacques Burkhardt, 1858-??-??

jacques burkhardt scientific drawings turtles in art

Acara (Cupido), Jacques Burkhardt, 27 October 1865

jacques burkhardt scientific drawings watercolor paintings

Emys floridana (top view) (Mobile, Alabama), Jacques Burkhardt

jacques burkhardt scientific drawings emys

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

jacques burkhardt scientific drawings fish fossils

Pleurogramma (Acara petit) (Lago Maximo, Brazil), Jacques Burkhardt

jacques burkhardt scientific drawings watercolor on paper

Kinosternon (top view) (Panama, 1856), Jacques Burkhardt, 1856-??-??

jacques burkhardt scientific drawings kinosternon

Turtle on grass (side view), Jacques Burkhardt

jacques burkhardt scientific drawings turtles in art

Tortoise (top view) (April 1851), Jacques Burkhardt, 1851-04-??

jacques burkhardt scientific drawings watercolor on paper

Emys floridana (bottom view) (Mobile, Alabama), Jacques Burkhardt

jacques burkhardt scientific drawings emys

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

jacques burkhardt scientific drawings pencil on paper

Thracia (Chelsea Beach, Mass.), Jacques Burkhardt

jacques burkhardt scientific drawings pencil on paper

Tetraodon, Jacques Burkhardt, 29 June 1865

jacques burkhardt scientific drawings watercolor on paper

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

jacques burkhardt scientific drawings turtles in art

Bodianus rufus, Jacques Burkhardt

jacques burkhardt scientific drawings watercolor paintings

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

jacques burkhardt scientific drawings watercolor paintings

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

jacques burkhardt scientific drawings 1856 in art

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

jacques burkhardt scientific drawings watercolor on paper

Emys floridana (partial top view) (Natchez, Mississippi), Jacques Burkhardt

jacques burkhardt scientific drawings emys

Micropteryx cosmopolita Agassiz, Jacques Burkhardt, 30 April 1865

jacques burkhardt scientific drawings watercolor on paper

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

jacques burkhardt scientific drawings turtles in art

Cistudo (side view), Jacques Burkhardt

jacques burkhardt scientific drawings watercolor paintings

Geophagus altifrons (Belem, Brazil), Jacques Burkhardt

jacques burkhardt scientific drawings geophagus

Chelonia midas (side view of head), Jacques Burkhardt

jacques burkhardt scientific drawings chelonia mydas (illustrations)

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

jacques burkhardt scientific drawings 1847 in art

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

jacques burkhardt scientific drawings turtles in art

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

jacques burkhardt scientific drawings echinodermata

Chorinemus saliens, Jacques Burkhardt, 24 June 1865

jacques burkhardt scientific drawings watercolor paintings

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

jacques burkhardt scientific drawings pencil on paper

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

jacques burkhardt scientific drawings 1866 in art

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

jacques burkhardt scientific drawings watercolor on paper

Clupanodon aureus Spix, Jacques Burkhardt, 8 June 1865

jacques burkhardt scientific drawings watercolor on paper

Conger, Jacques Burkhardt, 11 June 1865

jacques burkhardt scientific drawings watercolor on paper

Cistudo (side view), Jacques Burkhardt

jacques burkhardt scientific drawings watercolor paintings

Heros efasciatus, Jacques Burkhardt

jacques burkhardt scientific drawings heros efasciatus

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

jacques burkhardt scientific drawings watercolor paintings

Kinosternon odoratum (top view), Jacques Burkhardt

jacques burkhardt scientific drawings kinosternon

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