554 



INDEX. 



Prochonias enodis, 115 



leslianus, 1 1 1 



longinuchus, 108 



princeps, 114 



strenuus, 1 14 



sulcatus, 106 

 Procolpochelys, 209, 215 



grandeeva, 216 

 Proganochelyidae, 45 

 Proganochelys, 45 

 prophylaeus (Lembonax), 214 

 Propleura, 127, 128 



borealis, 141 



jeanesii, 156 



repanda, 150 



sopita, 141, 162, 163 

 propylaeus (Lembonax), 214 

 Protostega, 190 



advena, 199 



gigas, 190 



ischyros, 202 



neptunia, 188 



potens, 189, 198 



tuberosa, 187 

 Protostegidsc, 189 

 Pseudemys, 288, 356 



bisornatus, 353 



Citlata, 356 



cxtincta, 356 



Inlli, 348 



Pseudotrionyx, 19, 225 

 puercensis (Aspideretes), 486, 499 

 pulchra (Baena), 92 



(Boremys), 92 

 punctatus (Adocus), 236 

 punctiger (Trionyx), 546 

 punctulatus (Plastomenus), 467, 468 

 Puppigerus, 215 



granda'vus, 216 



parviscutum, 220 



parvitecta, 220 



pusilla (Echmatemys), 298, 337 

 putnami (Terrapene), 360 

 quadrata (Tcstudo), 397, 410 

 quadratus (Hadrianus), 376 

 radiolata (Anostira), 281 

 radula (Amyda), 511, 517, 518 

 radulata (Anosteira), 281 

 radulina (Anostira), 281 

 radulus (Trionyx), 517, 518 

 rapiens (Thcscelus), 97 

 repanda (Catapleura), 150 



(Propleura), 150 

 repandus (Osteopygis), 150 

 Rhetechelys, 127, 161 



platyops, 162 

 riparia (Baena), 60, 76 

 robustus (Osteopygis), 128, 134 

 rugosus (Eupachemys), 458 

 sagatus (Aspideretes), 486, 497 

 salebrosa (Amyda), 511, 524 

 saliens (Hoplochelys), 265 

 saxea (Clemmys), 290, 294 

 schucherti (Hadrianus), 374, 382 

 sculpta (Probaena), 58 



(Trachemys), 348, 351 

 Scutes, horny, 18 

 scutumantiquum (Amyda), 511, 521 



(Trionyx), 521 

 septaria (Echmatemys), 298, 319 



(Emys), 319 

 serialis (Plastomenus), 537 



(Platypeltis), 536, 537 

 serpentina (Chelydra), 223 



(Testudo), 223 

 serrifer (Toxochelys), 168, 170, 172 



shaughncssiana (Echmatemys), 298, 327 



(Emys), 327 



Shell, structure of, 2, 8, 10, 12, 14, 17, 18, 23 

 Shoulder-girdle, 6, 9, ll, 13, 16 

 sima (Baena), 71 

 singularis (Aspideretes), 486, 501 

 sinuosa (Basilemys), 229 

 Skull, structure of, 5, 9, ll, 13, I c, 19, 24 

 snoviana (Testudo), 438 

 snovianum (Caryoderma), 438 

 Soft-shelled turtles, 10 

 sopita (Chelone), 149, 155 



(Osteopygis), 141 



(Propleura), 141, 163 

 sopitus (Osteopygis), 128, 149 

 speciosa (Naomichelys), 101 

 spectabilis (Gyremys), 288 

 splendidus (Aspideretes), 486, 490 

 Staurotypus, 224, 225 

 stenopora (Toxochelys), 1 68, 172 

 stevensoni (Emys), 316 

 stevensoniana (Echmatemys), 298, 316 

 stevensonianus (Emys), 300, 316 

 strenuus (Prochonias), 114 



(Taphrosphys), 105, 114 

 striatula (Zygoramma), 257 

 Stylemys, 369, 373, 385 



calaverensis, 386, 396 



capax, 386, 392 



conspecta, 386. 393 



culbertsonii, 386 



nebrascensis, 386, 392, 393 



niobrarensis, 437 



oregonensis, 392 

 Suborders of turtles, 25 

 substricta (Alamosemys), 260 

 sulcatus (Platemys), 104, 105, 106 



(Prochonias), 106 



(Taphrosphys), 105, 106 

 Supernumerary scutes, 57 

 Syllomus, 209, 211 



crispatus, 211 



syntheticus (Adocus), 236, 242, 244 

 tantillus (Plastomenus), 467, 478 

 Taphrosphys, 102, 104 



dares, 105, 120 



leslianus, 105, 111 



longinuchus, 105, 108 



molops, 105, 115 



nodosus, 105, 122 



princeps, 1 14 



strenuus, 105, 1 14 



sulcatus, 105, 122 

 tardus (Agomphus), 249, 252 

 Temnotrionyx, 534 



manducans, 534 

 Terrapene, 286, 288, 359 



anguillulata, 364, 366, 367 



canaliculata, 360, 363 



eurypygia, 360, 364 



marnochi, 360, 362 



putnami, 360 

 terrestris (Emys), 344 



(Palteotheca), 344 

 testudinea (Echmatemys), 298, 303 



(Emys), 303 



(Notomorpha), 303 

 Testudmidas, 33, 367 

 Testudines, definition of, 43 

 Testudo, 367, 372, 373, 397 



amphithorax, 397, 407 



arenivaga, 398, 430 



atascosae, 398, 464 



brontops, 397, 398, 400 



campester, 398, 455 



corsoni, 376 



