. The story of the amphibians and the reptiles. Amphibians; Reptiles. 86 STORY OF THE REPTILES Heads The heads of the tortoise-forms are, in a rude way, quite birdlike, ending as they do in a toothless homy beak which often has on it a downward hook at the tip. That of tuatera (or Hatteria) is more turtlelike than most others which are not turtles, though certain. Fig. 45.—Ehamphorhynchus. lizards tend to have homy beaks. In all these, how- ever, there are teeth. In a general way the heads of snakes and lizards are much alike, though in some snakes the neck is very much smaller than the head,


. The story of the amphibians and the reptiles. Amphibians; Reptiles. 86 STORY OF THE REPTILES Heads The heads of the tortoise-forms are, in a rude way, quite birdlike, ending as they do in a toothless homy beak which often has on it a downward hook at the tip. That of tuatera (or Hatteria) is more turtlelike than most others which are not turtles, though certain. Fig. 45.—Ehamphorhynchus. lizards tend to have homy beaks. In all these, how- ever, there are teeth. In a general way the heads of snakes and lizards are much alike, though in some snakes the neck is very much smaller than the head, and the latter is then apt to be diamond-shaped. In fact not till she got to the reptiles did Nature seem much concerned about the neck, but at an early date among the fossils some of these necks were ex- tremely long and flexible. The heads of crocodilians are long and flat, with a slight neck evident, which is smaller than either head or body. But in lizards and tortoises the neck is usually about as large as the head. Perhaps in all modern reptiles the head extends. 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 Baskett, James Newton, 1849-; Ditmars, Raymond Lee, 1876-1942. joint author. New York, D. Appleton and Company


Size: 2500px × 1000px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1900, booksubjectreptile, bookyear1902