INDEX 



395 



evittata (Hyla cinerea), i66 



evotis (Myotis), 260 



Evotomys, 312 



exilicauda (Lavinia), 65 



exilis (Dipodomys merriami), 323 



(Rabida), 90 



(Oligocephalus), 126 

 eximius (Micro tus calif ornicus), 308 

 Exoglossum, 85 

 Extrarius, 82 



extenuatum (Stilosoma), 212 

 extimus (Sciurus carolinensis), 330 

 Eyra, 286 



falcata (Apocope), 82 



fallax (Neotoma mexicana), 303 



(Perognathus), 321 

 Fallfish, 68 

 Fan-tailed darter, 127 

 Farancia, 203 

 fasciata (Natrix), 215 

 fasciatus (Achirus), 105 

 (Eumeces), 195 

 (Lynx), 287 

 (Lynx fasciatus), 287 

 (Perognathus), 319 

 Fathead, 67 . 

 Felidae, 284 

 Felis, 284 

 Felis catus, 285 

 domestica, 285 

 maniculata, 285 

 femoralis (Hyla), 166 



(Perognathus), 321 

 Fence lizard, 187 



feriarum (Pseudacris nigrita), 168 

 ferox (Amyda), 240 

 ferreus (Aneides), 149 



(Sciurus aberti), 331 

 Fiber, 313 

 Ficimia, 213 

 Field mice, 304, 305 

 figginsi (Ochotona princeps), 352 

 Fine-scaled suckers, 54 

 Fisher, 273 

 fisheri (Sorex), 254 



(Tamias striatus), 333 

 (Thomomys quadratus), 318 

 Fishes, 15 



Color, 19 

 Distribution, 23 

 Fins, 15 

 Head, 20 



Fishes, History, 22 

 Identification, 15 



Key to the subclasses of fishes, 23 

 Lateral line, 18 

 Measurements, 15 

 Number of species, 23 

 Scales, 18 

 Teeth, 21 

 flabellaris (Catonotus), 127 

 flagellum (Coluber), 206 

 flairpunctatus (Aneides), 149 

 Flat-fish, 105 

 Flatheaded chub, 85 

 flavescens (Kinosternon), 229 

 (Perca), 114 

 (Perognathus), 320 

 flavigularis (Coluber flagellum), 207 

 flavilata (Rhadinaea), 210 

 flavissimus (Pseudotriton montanus), 151 

 flaviventris (Coluber constrictor), 206 

 (Marmota), 342 

 (Marmota flaviventris), 342 

 flavus (Bassariscus astutus), 272 

 (Noturus), 89 

 (Perognathus), 320 

 Flesh-eaters, 264 

 Florida cougar, 285 

 white tail, 355 

 floridae (Jordanella), 98 

 floridana (Cryptotis), 256 



(Lampropeltis getulus), 211 

 (Neotoma), 302 

 (Neotoma floridana), 302 

 (Pseudemys), 238 

 (Rhineura), 196 

 floridanus (Canis), 267 

 (Dasypterus), 263 

 (Euarctos), 265 

 (Geomys tuza), 315 

 (Lynx ruffus), 287 

 (Peromyscus), 299 

 (Sylvilagus), 349 

 (Sylvilagus floridanus), 348 

 floridanus (Urocyon cinereoargenteus), 270 

 Flying squirrels, 343 

 fonticola (Alvarius), 128 

 fontigenus (Microtus pennsylvanicus), 307 

 fontinalis (Salvelinus), 48 



(Sorex), 252 

 Forbesella, loo 

 formosa (Heterandria), 99 

 formosus (Perognathus), 320 

 formulosum (Compostoma), 65 



