http://etc.usf.edu/clipart/ Free clipart for students & teachers! Welcome to quality educational clipart. Every item comes with a choice of image size and format as well as complete source information for proper citations in school projects. No advertisement-filled pages with pop-up windows or inappropriate links here. A friendly license allows teachers and students to use up to 50 items in a single, non-commercial project without further permission. http://etc.usf.edu/clipart/i/banner.jpg http://etc.usf.edu/clipart/ This website is CoolIris enabled! You can use the CoolIris browser plugin to view the images on this site in an interactive 3D wall.<br><br><br><br> http://www.cooliris.com/ "Skull of lizard with Acrodont Dentition. One of those lizards which have the edge of the jaw, without bony aveoli on either the inner or the outer side."-Whitney, 1902... http://etc.usf.edu/clipart/14400/14417/acrodont_14417.htm "When the animal wishes to use these teeth, they issue from this fleshy sheath, somewhat in the same manner as the claws of a cat when about to be used as weapons of offense."... http://etc.usf.edu/clipart/51700/51781/51781_adder_head.htm "Skull of a member of the family Alligatorid&aelig;, or some American member of the Crocodilid&aelig;."-Whitney, 1902... http://etc.usf.edu/clipart/14600/14617/alligatorsku_14617.htm "Head of the American Alligator (alligator Mississippiensis)." &mdash; Galloway... http://etc.usf.edu/clipart/24900/24971/american_all_24971.htm "In popular language, the name of all those large serpents which kill their prey by entwining themselves around it, and constricting it in their coils; but by zoologists of the present day, limited as... http://etc.usf.edu/clipart/25800/25832/boa_25832.htm "Skull of Boa constrictor. a, quadrate bone; b, b, halves of lower jaw." -Cooper, 1887... http://etc.usf.edu/clipart/46200/46206/46206_boa_skull.htm Section of brain of turtle... http://etc.usf.edu/clipart/29300/29357/brain_29357.htm In Amphibians the nervous system is but slightly developed. The cerebrum is small; the cerebellum is scarcely visible. Shown is the brain of an alligator. Labels: 1, Olfactory ganglions. 2, Cerebrum. ... http://etc.usf.edu/clipart/50600/50607/50607_alligator.htm The structure of a branchiopod.... http://etc.usf.edu/clipart/32200/32209/branch_32209.htm Diagram of the circulation of the reptile. Labels: a, pulmonic, and b, somatic circulation; c, heart showing the three cavities. The arrows indicate the course of the blood current.... http://etc.usf.edu/clipart/58900/58976/58976_reptile.htm In the U.S. the five-lined or blue-tailed skink is the common variety. This is a close-up of its claw.... http://etc.usf.edu/clipart/7300/7391/skink-claw_7391.htm The skull of a crocodile with visible teeth.... http://etc.usf.edu/clipart/25900/25928/crocodile_sk_25928.htm "Segment of Endoskeleton from Thoracic Region of Crocodile. C, centrum of a vertebra, over which rises the neural arch, inclosing the neural canal and ending in NS, the neural spine; Z, prezygapophysi... http://etc.usf.edu/clipart/61300/61320/61320_croc_thoraci.htm "The skull in reptiles is flat, and the cerebral cavity is not filled with brains. There are no ribs."... http://etc.usf.edu/clipart/51700/51770/51770_frog_skeleto.htm Skull of a Greek tortoise, showing the brain cavity.... http://etc.usf.edu/clipart/35200/35221/greek_tort_35221.htm The head of a snake. ... http://etc.usf.edu/clipart/19800/19820/coluberhead_19820.htm A diagram of the heart of a reptile. Labels: 1, Pericardium. 2, Single ventricle. 3, Left auricle. 4, Right auricle. The arrows show the direction of the blood flow.... http://etc.usf.edu/clipart/50500/50589/50589_reptile.htm Hylonomus was an early reptile. It lived 315 Ma (million years ago) during the Carboniferous period. Pictured here is the dorsal vertebra... http://etc.usf.edu/clipart/58700/58742/58742_hylonomus.htm An extinct fossil colossal lizard found in the Wealden strata; so called from the resemblance of its teeth to those of the iguana.... http://etc.usf.edu/clipart/23900/23983/iguanodon_23983.htm The bottom jaw of an iguana. ... http://etc.usf.edu/clipart/26100/26187/iguanajaw_26187.htm From preparation of the nerve termination in the muscular fibers of a snake. A, End plate seen only broad surfaced. b, End plate seen as narrow surface.... http://etc.usf.edu/clipart/50700/50796/50796_snake.htm A remarkable genus of fossil lizards, peculiar to the Mesozoic strata. Its anomalous structure was long a puzzle to comparative anatomists.... http://etc.usf.edu/clipart/23700/23790/pterodactyl_23790.htm A remarkable genus of fossil lizards, peculiar to the Mesozoic strata. Its anomalous structure was long a puzzle to comparative anatomists.... http://etc.usf.edu/clipart/23700/23791/pterodactyl_23791.htm An extinct reptile of the dinosaur age. ... http://etc.usf.edu/clipart/26500/26526/pterodactyl_26526.htm "So peculiar and strange is the structure of these animals, that the first specimen discovered was classed by one naturalist as a bird, by another as a species of bat, and by yet a third as a flying r... http://etc.usf.edu/clipart/19800/19838/pteroskeletn_19838.htm