Index 



Acrls crepitans: 20, 61: keys, 10, 11, 14, 15, 

 16, 19; breeding habits, 34, 35, 68-72, 

 123; range extension, 39; adaptations and 

 distribution, 64, 65, 72, 73, 88-90; breed- 

 ing sites, 93, 96, 98; ovarian cycle, 129- 

 152; ovarian volume, 131, 141; external 

 changes in ovaries, 132; changes in micro- 

 scopic structure, 133—135, 141 



Adaptations and distribution: 59-100 



Ambystoma macitUittim: key, 32 



A. opactim: key, 32 



A. talpoidettm: key, 32 



A. texanttm: key, 32 



A. tigrintim mavortiitm: 100; key, 30, 32 



A. t. tigrintim: key, 32 



Arnphitima means tridactyliim: key, 30 



Breeding: dates, 34-38; habits and behavior, 

 66-100; initiation of, 67-7 i; sites, 73, 

 93-100; sex recognition and mating, 81- 

 83; production and fertilization of eggs, 

 83, 84; see also under each species. 



Bufo cognatus: 20, 67; keys, 11, 16, 17; 

 breeding habits, 34, 35, 47-58, 67-72, 

 79-83, 117, 124, 125; range extension, 

 39; growth rate, 47-58; adaptations and 

 distribution, 65, 72, 74, 89, 90; breeding 

 sites, 96, 98; ovarian cycle, 143-152; 

 changes in volume and microscopic struc- 

 ture, 144-147 



B. compactilis: 21, 61; keys, 11, 14, 16, 17; 

 breeding habits, 34, 35, 67, 70, 72, 82, 

 117: range extension, 40; adaptations and 

 distribution, 65, 72, 74, 90; breeding sites, 

 98, 100 



B. insidior: 21, 61; keys, 10, 16, 17: range 

 extension, 40; breeding habits, 67, 70, 72, 

 83: adaptations and distribution, 65, 72, 

 74, 86, 90; breeding sites, 95, 98 



B. ptinctattts: 21, 61; keys, 11, 17; range ex- 

 tension, 40; adaptations and distribution, 

 65, 72, 74; breeding habits, 72; breeding 

 sites, 96 



B. terrestris americaniis: 20, 61; keys, 11, 

 15, 16, 18; breeding habits, 34, 67, 71, 

 72, 80-83, 124, 125; adaptations and dis- 



tribution, 65, 72, 74, 86, 89; larvae, 84, 

 85; breeding sites, 93, 96, 98 



B. u'oodhotisii jowleri: 22, 61; keys, 11, 14, 

 16, 18; breeding habits, 34, 35, 67, 71, 72, 

 81, 83, 124, 125; range extension, 40; 

 adaptations and distribution, 65, 72, 75, 

 89 



B. w. u'oodhoiisii: 22, 61; keys, 12, 16, 18; 

 breedmg habits, 34, 35, 68-72, 80-83, 

 117, 123, 124; adaptations and distribu- 

 tion, 65, 72, 75, 89, 90; breeding sites, 

 96, 98, 99, 100; ovarian cycle, 143-152; 

 volume, 144; microscopic structure, 145- 

 147; monthly changes, 148 



Calls, frequency of sex: 117-125 



Cryptobranchtts alleganiensis: key, 30 



Desmognat litis jiisciis brimleyortim: key, 31 

 Development, tadpole: 84-86 

 Distribution and adaptation: 59-100 



Eggs, production of: 83—84 



Eiirycea gnseogaster: key, 33 



E. longicatida melanopleiira: key, ii 



E. liiafiiga: key, 32 



E. mitltiplicata: key, ii 



E. tynerensis: key, il 



Extension of range: 39-44 



Gastrophryne: see Mtcruhyla 

 CJlossary: 27—28 

 Growth rates: 47-58 



Habitat patterns of Amphibia: 64-66 



Hyla cuierea cinerea: 22, 61: keys, 12, 13, 

 15, 19; breeding habits, 72; adaptations 

 and distribution, 72, 75 



H. aiicifer crucifer: 22, 61: keys, 15, 18; 

 adaptations and distribution, 72, 75 



H. rersicolor versicolor: 23, 61; keys, 12, 

 13, 15, 19; breeding habits, 34, 35, 72, 

 80, 81, 83, 84, 117-121, 124, 125; range 

 extension, 41; adaptations and distribu- 

 tion, 72, 75, 89; larvae, 84-86: breeding 

 sites, 96, 98 



153 



