Introduction to HerpetologyStructure of amphibia, reptila; Evolution and origin; Reproduction and life history; Relation to environment; Behavior; Mechanisms of speciation; Geographic distribution; Caecilians, trachystomes, and salamanders; Frogs and toads; Turtles; Lizards; Snakes; Rhynchocephalians and crocodilians. |
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Page 89
Coleman Jett Goin, Olive Bown Goin. whether the frogs of the second breeding aggregation are ones that failed to find mates the first time or whether they are the same frogs that bred before . Where the breeding season is protracted , it ...
Coleman Jett Goin, Olive Bown Goin. whether the frogs of the second breeding aggregation are ones that failed to find mates the first time or whether they are the same frogs that bred before . Where the breeding season is protracted , it ...
Page 91
... frogs . The males nearest the breeding site begin calling first . Those farther off are guided by the calls of the earlier arrivals and hasten to join the chorus . A Southern Toad , Bufo t . terrestris , will move toward a chorus from a ...
... frogs . The males nearest the breeding site begin calling first . Those farther off are guided by the calls of the earlier arrivals and hasten to join the chorus . A Southern Toad , Bufo t . terrestris , will move toward a chorus from a ...
Page 216
Coleman Jett Goin, Olive Bown Goin. CHAPTER 13 FROGS AND TOADS ALTHOUGH THE FROGS AND TOADS are seldom of much inter- est to amateurs , for a number of very practical reasons they ( particularly members of the genus Rana ) are of prime ...
Coleman Jett Goin, Olive Bown Goin. CHAPTER 13 FROGS AND TOADS ALTHOUGH THE FROGS AND TOADS are seldom of much inter- est to amateurs , for a number of very practical reasons they ( particularly members of the genus Rana ) are of prime ...
Contents
Introduction | 1 |
Structure of Amphibia | 14 |
Structure of Reptilia | 37 |
Copyright | |
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adapted adults Africa Alligator ambystomatids amphibians amphibians and reptiles animals apparently aquatic arches Asia body bones breeding Bufo burrow caecilians carapace cloaca Collateral Reading crocodilians deposited dermal developed distribution dorsal embryos environment epidermal evolution fauna female fertilization fish forms fossil frogs fused geckos genera genetic genus geographic gills glands habitats hatch herpetology herptiles hibernation hind home area Hyla Hylidae Hynobiidae hynobiids infraorder island known lack land larvae legs length limbs living lizards lungs male mammals mating maxillary metamorphosis Microhylidae modern mouth nest newts North America oviduct oviparous ovoviviparous pair Pipidae pipiens Plethodontidae population posterior predators present primitive probably Proteidae Rana range Ranidae region reproductive reptiles ribs sacral salamanders Salamandridae scales shell skin skull snakes South species sperm spermatophores Sphenodon structure Subfamily suborder tadpoles tail teeth temperature terrestrial tetrapods toads turtles usually ventral vertebrae vertebral column Wolffian duct young