LIST OF ILLUSTRATIONS 



Xlll 



osus 



Pigmy Rattlesnake, Sistrurus miliarius, with young 



Common Frogs, Rana temporaria . 



Edible Frog, Rana esculenta . 



American Bull Frog, Rana catesbiana 



Indian Bull Frog, Rana tigrina 



African Bull Frog, Raiia adspfrsa . 



Gopher Frog, Rana capita 



Darwin's Frog, Rhinoderma darwinii 



Argentine Dwarf Toad, Phryniscus nigricans 



South African Burrowing Toad, Breviceps gibb~ 



Ornamented Ceratophrys, Ceratophrys ornata 



Horned Ceratophrys, Ceratophrys cornnta 



Common Toad, Bujo vvlgaris 



Natterjack Toad, Bufo calamita 



Green Toad, Bufo viridis 



Cameroon Toad, Bufo super ciliaris 



Giant Toad, Bufo marinus 



European Tree Frog, Hyla arborea 



Golden Tree Frog, Hyla aurea 



White's Tree Frog, Hyla ccerulea . 



European Burrowing Toad, Pelobates fuscus 



Horned Toad, Megalophrys cornuta 



Fire-bellied Toad, Bominator igneus, shamming death 



Midwife Toad, Alytes obstetricans, with eggs 



Clawed Frog, Xenopus Icevis, dorsal aspect 



Clawed Frog, ventral aspect 



Spotted Salamander, Salamandra maculosa 



Black Salamander, Salamandra atra 



Crested Newts, Molge cristata, male and female 



Marbled Newt, Molge marmorata, male 



Marbled Newt, female 



Pleurodele Newt, Molge waltlii 



Burmese Newt, Tylotriton verrucosus 



Axolotl, Amblystoma tigrinum 



Axolotl (albino), intermediate stage 



Transformed Axolotl . 



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