. Elements of zoölogy : a textbook. Zoology. SECTION IV. THE CLASS OF REPTILIA OR REPTILES. SUB-SECTION I. THE REPTILIA CONSIDERED AS A CLASS. TKUE Reptiles include all cold-blooded oviparous verte- brates which are covered with scales, or with bony plates, or both, and which lay their eggs upon the land, and whose young as soon as hatched closely resemble their parents. Most kinds of reptiles swallow their prey whole, and the digestion of all is sluggish. Their oesophagus, and muscular stomach, are generally more or less similar to those of Birds. Their blood has comparatively few globules, a
. Elements of zoölogy : a textbook. Zoology. SECTION IV. THE CLASS OF REPTILIA OR REPTILES. SUB-SECTION I. THE REPTILIA CONSIDERED AS A CLASS. TKUE Reptiles include all cold-blooded oviparous verte- brates which are covered with scales, or with bony plates, or both, and which lay their eggs upon the land, and whose young as soon as hatched closely resemble their parents. Most kinds of reptiles swallow their prey whole, and the digestion of all is sluggish. Their oesophagus, and muscular stomach, are generally more or less similar to those of Birds. Their blood has comparatively few globules, and the globules are large and elliptical in form. The circulatory apparatus varies widely from that of Birds and Mammals; the heart, in most cases, having two. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Tenney, Sanborn, 1827-1877. New York : Scribner
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