INDEX 



Absorption of tail, 237. 



AcTts gryllus, 20, 27, 37, 38, 47, iS3-is6. 



Acris gryllus crepitans, 153. 



Aestivation, 16. 



Age of Toads, 73. 



Aglossa, 14. 



American Discoglossoid Toad, see Ascaphus. 



American Toad, see Bujo americanus. 



Amphibia, see Batrachia. 



Anderson's Hyla, see Hyla andersonii. 



Animal behaviour, 27-35. 



Apoda, I. 



Arcifera, 7. 



Ascaphus truei, 7, 51-52. 



Austral Region, 37. 



Austroriparian subregion, 38. 



Batrachia, distinction from Fishes and 

 Reptiles, i, 11, 14. 



number of, 1 5. 



phylogeny of, 11-15. 



two orders of, 2. 

 Bibliography, 241-250. 

 Bonibina maxima, 52. 

 Boreal Region, 37. 

 Boulenger, 10, 52. 



Breathing pore, 8, 6g, 70, 181, 204, 236, 237. 

 Breeding season of Salientia, 4-5. 

 Brogniart, 12. 

 Bu^o aduncus, 63 (footnote). 



alvarius, 41, 45, 106-108. 



atnericanus, 4, 19, 21, 45, 63-89, 66 

 and 75 (call), 67-72 (life history), 

 73-75 (moulting), 76 (breathing), 

 79 (poison), 80-86 (food and econo- 

 mic value), 81 (tongue), 86-87 (pro- 

 tection), 87 (colour change), 93, 

 96-97. 



boreas, 38, 44, 115-116. 



boreas nelsoni, 41, 116. 



cognatus, 19, 40, 41, 45, 93, 99-102. 



columbiensis colu^nbiensis, see boreas. 



columbiensis halophilus, see halophilus. 



compactilis, 19, 39, 41, 44, 102-104. 



copei, 63. 



debiliSj 39, 41, 44, iii, 112. 



jowlert, 4, 19, 20, 21, 45, 66, 93-97, 95 

 (call), 96 (development), 96-97 (dis- 

 tinction from B. americanus). 



halophilus, 41, 44, 113-115. 



halophilus columbiensis, 114. 



fiemtophrys, 38, 45, 98. 



leniiginosus, 4, 19, 45, 89-91. 



lentiginosus americanus, see ameri- 

 canus. 



lentiginosus fowlcri, see fowleri. 



lentiginosus woodhousei, 19, 39, 41, 45, 



91-93. 



microscaphus, 114. 



punctatus, 19, 39, 41, 44, 110-112. 



quercicus, 19, 45, 104-106. 



valliceps, 39, 41, 44, 108-no, iii. 

 BuFONiDvE, 7, 9, 14, 26, 44, 63-116. 

 Bullfrog, see Rana catesbiana. 

 Burrowing, 16, 33, 36, 54, 56, 72, 88, loi. 



California Toad, see Bufo halophilus. 

 Chorophilus nigritus, 38, 47, 157-160. 



Chorophilus, n. feriarum, 4, 48, 157, 160. 

 n. septentrionalis, 38, 48, 157, i6o. 

 M. triseriatus, 40, 48, 157, lOo. 

 occidentalis, 161. 

 ocularis, 47, 162. 

 ornatus, 48, 161. 

 Chromatophores, 22-23. 

 Cilia, 180. 



Circulation in gills, 180. 

 Classification, 7-1 1. 

 Cold-blooded, 15, 36, 79. 

 Colour change, 22-27 (general), 87 (B. 

 americanus), 109 {B. valliceps), 114 

 (B. halophilus), 120 (H. versicolour), 

 125 {H. gratiosa), 127 {H. cinerea), 

 13s {H. regilla), 149 {H. squirella), 

 152 {Smilisca baudinii), 156 (,Acris 

 gryllus), 190 (R. palustris), 197 {R. 

 onca), 210 (/?. sylvatica), 227 {R. 

 grylio), 230 {R. catesbiana). 

 Colour pattern, 26-27. 

 Common Bullfrog, see Rana catesbiana. 

 Common Leopard Frog, see Rana pipiens. 

 Common Tree Frog (or Tree Toad), see 



Hyla versicolor. 

 Cope, 53, 120, 168. 

 Cranial crests, 77, 97. 

 Cricket Frog, see Acris gryllus. 

 Croaker, see Rana sylvatica. 

 Crossoptergii, 12. 

 Cystignathid^, 7, 9, 14, 43, 45, 163-165. 



Development, 3-5. 



frog's egg, 176-181. 



toad's egg, 67-71. 

 Dipnoi, 12. 



DiscoGLOssiDvE, 5, 7, 8, 14, 26, 43, 51-53. 

 Distribution, 35-42. 



Ears of Salientia, 6, 31, 77, 231, 238. 

 Eastern Wood Frog, see Rana sylvatica. 

 Economic value, 80-86, 185, 234. 

 Efts, 21. 

 Eggs of Salientia, description, 3-4. 



development 67-71, 176-181. 



enemies of, 4. 

 Enemies of eggs, 4. 



of tadpoles, 146, 181-183. 



of toads and frogs, 72, 215, 234. 

 Engystoma carolinense, 11, 19, 21, 40, 48, 

 166-168. 



iexense, 48, 168-169. 

 Engystomatid^, 8, 10, 43, 48, 166-170. 



Families of Salientia, 7. 

 Firmistemia, 8, 

 Fishes, i, 6. 

 Flash colours, 26. 



Florida Tree Frog, see Hyla gratiosa. 

 Food of frogs, 28, 184, 190, 196, 202-303, 

 214, 228, 238, 239. 



of tadpoles, 69, 210, 235. 



of toads, 29, 90, 81-86. 

 Fossils, see Phylogeny. 

 Fowler's Toad, see Bujo fowleri. 

 Frogs, see Ranid^e. 



Geographical Distribution, 35-42, 52, 134, 

 etc. 



251 



