ClipArt ETC
"Brain of alligator, from above. B. ol., olfactory bulb; G. p, epiphysis; HH, cerebellum; Med, spinal cord; MX, optic lobes; NH, medulla oblongata; VH, cerebral hemispheres; I-XI, cranial nerves; 1, 2, first and second spinal nerves." -Parker, 1900

Alligator Brain

"Brain of alligator, from above. B. ol., olfactory bulb; G. p, epiphysis; HH, cerebellum; Med, spinal…

"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, prezygapophysis; Z', postzygapophysis; Tt, transverse process which articulates with t, tubercle of a rib; Cpt, that which articulates with Cp, capitulum of a rib; Vr, ossified vertebral rib, or pleurapophysis; Vr', cartilaginous part of same; Str, sternal rib, or hemapophysis; St, segment of sternum; Pu, uncinate process of a rib or epipleura. From Cpt to St, on either side, is the hemal arch." -Whitney, 1911

Crocodile Thoracic Region

"Segment of Endoskeleton from Thoracic Region of Crocodile. C, centrum of a vertebra, over which rises…

"Heart of monitor (Varanus) dissected to show the cavity of the ventricle and the vessels leading out from it. A. A', auricles; Ao, dorsal aorta; Ap. Ap', pulmonary arteries; Asc, subclavian artery; Ca. Ca', carotids; RA. RA, roots of dorsal aorta; Trca, innominate trunk; V, ventricle; +, right aortic arch; *, left aortic arch." -Parker, 1900

Monitor Lizard Heart

"Heart of monitor (Varanus) dissected to show the cavity of the ventricle and the vessels leading out…

"Diagram of the heart and branchial arches in a Reptile...a, aorta; au., auricle; c, carotid; c.v., cardinal veins (right and left); d.a., dorsal arteries; j, jugular veins; d.c., ductus Cuvieri; s.v., sinus venosus; v, ventricle." -Galloway, 1915

Reptile Heart

"Diagram of the heart and branchial arches in a Reptile...a, aorta; au., auricle; c, carotid; c.v.,…

"Head-shields of Scinid Lizards. cs, chin-shields; d, disk on lower eylid; e, ear-opening; f, frontal; fn, frontonasal; fp, frontoparietal; i, interparietal; il, lower labials; l, loreals; lb, upper labials; m, mental; n, nasal; nc, nuchals; p, parietals; pf, prefrontal; pn, postnasal; r, rostral; sc, supraciliaries; sn, supranasal; so, supraocular; t, temporal." -Whitney, 1911

Skink Head

"Head-shields of Scinid Lizards. cs, chin-shields; d, disk on lower eylid; e, ear-opening; f, frontal;…

"Poison apparatus of rattlesnake. A, eye; Gc, poison-duct entering the poison-fang at +; Km, muscles of mastication partly cut through at *; Mc, masseter or constrictor muscle; Mc', continuation of the constrictor muscle to the lower jaw; N, nasal opening; S, fibrous poison-sac; z, tongue; za, opening of the poison-duct; zf, pouch of mucous membrane enclosing the poison-fangs." -Parker, 1900

Rattlesnake Poison Apparatus

"Poison apparatus of rattlesnake. A, eye; Gc, poison-duct entering the poison-fang at +; Km, muscles…

"A, lateral view of skull of rattlesnake (Crotalus). B. O, basi-occipital; B. S, basi-sphenoid; E. O, exoccipital; F. O, fossa ovalis; La, conjoined lacrymal and pre-fontal; L. f, articulation between lacrymal and frontal; Mn, mandible; Mx, maxilla; Na, nasal; Pl, palatine; Pmx, pre-maxilla; P. Sph, pre-sphenoid; Pt, pterygoid; Qu, quadrate; Sq, squamosal; II. V, foramina of exit of the second and fifth cranial nerves. B, transverse section at point lettered B in Fig. .A; T, trabeculae." -Parker, 1900

Rattlesnake Skull

"A, lateral view of skull of rattlesnake (Crotalus). B. O, basi-occipital; B. S, basi-sphenoid; E. O,…

"Dissection of Chelonian heart. r.v., Right half of ventricle; S., septum; l.v., left half of ventricle; r.a., right auricle; l.a., left auricle; l.ao., left aortic arch; r.ao., right aortic arch; p.a., pulmonary arch." -Thomson, 1916

Turtle Heart

"Dissection of Chelonian heart. r.v., Right half of ventricle; S., septum; l.v., left half of ventricle;…

"Chelone midas. Transverse section of skeleton. C, costal plate; C', centrum; M, marginal plate; P, lateral element of plastron; R, rib; V, expanded neural plate." -Parker, 1900

Green Turtle Skeleton

"Chelone midas. Transverse section of skeleton. C, costal plate; C', centrum; M, marginal plate; P,…

"Cistudo lutaria. Skeleton seen from below; the plastron has been removed and is represented on one side. C, costal plate; Co, coracoid; e, entoplastron; Ep, epiplastron; F, fibula; Fe, femur; H, humerus; Il, ilium; Is, ischium; M, marginal plates; Nu, nuchal plate; Pb, pubis; Pro, pro-coracoid; Py, pygal plates; R, radius; Sc, scapula; T, tibia; U, ulna." -Parker, 1900

Marsh Turtle Skeleton

"Cistudo lutaria. Skeleton seen from below; the plastron has been removed and is represented on one…

Water monitor claws.

Water Monitor

Water monitor claws.