10,636 Free Images of Classification

harvard university jacques burkhardt scientific drawings jacques burkhardt smithsonian libraries animals identification zoology anatomy crustacean compare

n200_w1150

classification cactaceae

n300_w1150

classification cactaceae

n296_w1150

classification cactaceae

n292_w1150

classification cactaceae

n128_w1150

arthropoda insects

n145_w1150

classification plants

n117_w1150

classification plants

n61_w1150

classification plants

n210_w1150

ornithology bird

n264_w1150

animals anatomy

n144_w1150

animals anatomy

n84_w1150

animals anatomy

n244_w1150

animals anatomy

n268_w1150

animals anatomy

n28_w1150

animals anatomy

n260_w1150

animals anatomy

n80_w1150

animals anatomy

n316_w1150

animals anatomy

n136_w1150

animals anatomy

n312_w1150

animals anatomy

n192_w1150

animals anatomy

n72_w1150

animals anatomy

n68_w1150

animals anatomy

n124_w1150

animals anatomy

n380_w1150

n272_w1150

animals anatomy

n212_w1150

animals anatomy

n152_w1150

animals anatomy

n236_w1150

animals anatomy

n116_w1150

animals anatomy

n56_w1150

animals anatomy

n352_w1150

animals anatomy

n228_w1150

animals anatomy

n108_w1150

animals anatomy

n284_w1150

animals anatomy

n164_w1150

animals anatomy

n224_w1150

animals anatomy

n104_w1150

animals anatomy

n44_w1150

animals anatomy

n156_w1150

animals anatomy

n36_w1150

animals anatomy

n76_w1150

n226_w1150

ornithology bird

n67_w1150

butterfly library

n404_w1150

Gymnotus coropinae (Lago Maximo, Brazil), Jacques Burkhardt

jacques burkhardt scientific drawings gymnotus

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

jacques burkhardt scientific drawings turtles in art

Hemirhamphus brasiliensis Cuv., Jacques Burkhardt, 4 May 1865

jacques burkhardt scientific drawings watercolor on paper

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

jacques burkhardt scientific drawings turtles in art

Needlefish head (top view) (New York, N.Y., 1848), Jacques Burkhardt, 1848-??-??

jacques burkhardt scientific drawings pencil on paper

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

jacques burkhardt scientific drawings 1856 in art

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

jacques burkhardt scientific drawings pencil on paper

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

jacques burkhardt scientific drawings 1856 in art

Kinosternon scorpioides (side view) (Surinam, 1856), Jacques Burkhardt, 1856-??-??

jacques burkhardt scientific drawings kinosternon

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

jacques burkhardt scientific drawings sharks in art

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

jacques burkhardt scientific drawings watercolor on paper

Stingray (Boston, Mass., 10 January 1860), Jacques Burkhardt

jacques burkhardt scientific drawings pencil on paper

Geophagus sp. (Lago de Jose, Brazil), Jacques Burkhardt

jacques burkhardt scientific drawings geophagus

Three needlefish heads (Cambridge, Mass., 1849), Jacques Burkhardt, 1849-??-??

jacques burkhardt scientific drawings pencil on paper

Kinosternon scorpioides (top view) (Surinam, 1856), Jacques Burkhardt, 1856-??-??

jacques burkhardt scientific drawings kinosternon

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

jacques burkhardt scientific drawings turtles in art

Eight mollusk drawings (Nahant, Mass., 1864), Jacques Burkhardt, 1864-??-??

jacques burkhardt scientific drawings watercolor on paper

n188_w1150

n308_w1150

n294_w1150

n164_w1150

n482_w1150

animals zoology

Ophioderma (Charleston, South Carolina, 1 December 1847), Jacques Burkhardt

jacques burkhardt scientific drawings pencil on paper

Sea bass? (Santa Cruz, California, March 1854), Jacques Burkhardt, 1854-03-??

jacques burkhardt scientific drawings watercolor on paper

Hypostominae? (Coary, Brazil, 22 October 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

Snake (8 February 1860; snake and head), Jacques Burkhardt, 8 February 1860

jacques burkhardt scientific drawings watercolor on paper

Tima formosa (Boston, Mass., May 1859), Jacques Burkhardt, 1859-05-??

jacques burkhardt scientific drawings pencil on paper

Kinosternon (bottom view) (Panama, March 1856), Jacques Burkhardt, 1856-03-??

jacques burkhardt scientific drawings kinosternon

Two mollusks and anatomical cross-section (Nahant, Mass., 1864), Jacques Burkhardt, 1864-??-??

jacques burkhardt scientific drawings pencil on paper

Mugil brasiliensis Spix, Jacques Burkhardt, 4 May 1865

jacques burkhardt scientific drawings mugil

Ophiothrix angulata (five specimens) (Charleston, South Carolina), Jacques Burkhardt

jacques burkhardt scientific drawings pencil on paper

Mactra (Nahant, Mass., 16 February 1848), Jacques Burkhardt

jacques burkhardt scientific drawings mactra

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

jacques burkhardt scientific drawings turtles in art

Crenicichla lugubris (Teffe, Brazil), Jacques Burkhardt

jacques burkhardt scientific drawings crenicichla lugubris

Kinosternon scorpioides (bottom view) (Surinam, 1856), Jacques Burkhardt, 1856-??-??

jacques burkhardt scientific drawings kinosternon

Terrapene triquetra (Lake Concordia, Louisiana, 1856), Jacques Burkhardt, 1856-??-??

jacques burkhardt scientific drawings 1856 in art

Odostomia exigua (East Boston, Mass., August 1847), Jacques Burkhardt

jacques burkhardt scientific drawings pencil on paper

Cistudo carolina (3 anatomical parts) (1855), Jacques Burkhardt, 1855-??-??

jacques burkhardt scientific drawings pencil on paper

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

jacques burkhardt scientific drawings pencil on paper

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

jacques burkhardt scientific drawings hepatus

Unidentified fish (Santa Cruz, California, March 1854), Jacques Burkhardt, 1854-03-??

jacques burkhardt scientific drawings watercolor on paper

Emys rubriventris (side view) (January 1856), Jacques Burkhardt, 1856-01-??

jacques burkhardt scientific drawings emys

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

jacques burkhardt scientific drawings emys

Emys nigra Hall (top view) (Southern California, 1856), Jacques Burkhardt, 1856-??-??

jacques burkhardt scientific drawings emys

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

jacques burkhardt scientific drawings 1865 in art

Ancistrus sp. (Teffe, Brazil, 7 October 1865), Jacques Burkhardt

jacques burkhardt scientific drawings 1865 in art

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

jacques burkhardt scientific drawings turtles in art

Emys floridana (top view and arm) (Mobile, Alabama, 1856), Jacques Burkhardt, 1856-??-??

jacques burkhardt scientific drawings emys

Emys rubriventris (bottom view) (January 1856), Jacques Burkhardt, 1856-01-??

jacques burkhardt scientific drawings emys

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

jacques burkhardt scientific drawings 1856 in art

Kinosternon pennsylvania (three views of head) (1855), Jacques Burkhardt, 1855-??-??

jacques burkhardt scientific drawings kinosternon

Emys elegans (bottom view) (Washington, Mississippi, 1856), Jacques Burkhardt, 1856-??-??

jacques burkhardt scientific drawings emys

Buccinum trivittatum (Nantucket, Mass., 1 September 1847), Jacques Burkhardt

jacques burkhardt scientific drawings watercolor paintings

Gymnotus coropinae (Lago Maximo, Brazil, 1866), Jacques Burkhardt, 1866-??-??

jacques burkhardt scientific drawings gymnotus

Emys pseudogeographica (top view) (Washington, Mississippi, 1856), Jacques Burkhardt, 1856-??-??

jacques burkhardt scientific drawings emys

8301 - 8400 of 10,636 Next page

/ 107