cyane (Echmatemys), 298, 324 
cyclopygia (Testudo), 438 
cyclopygius (Xerobates), 438 
Cynocercus, 180 
incisus, 168, 180 
dares (Taphrosphys), 105, 120 
Deirochelys, 288, 346 
floridana, 346 
depressus (Glyptops), 55 
Dermatemydida&, 32, 223 
Dermatemys, 224, 225 
costilatus, 267 
mawil, 284 
vyomingensis, 271 
wyomingensis, 271 
see also, 263, 275 
Dermochelyide, 14 
Dermochelys, 14, 17, 19, 23 
Desmatochelyida, 184 
Desmatochelys, 184 
lowi, 185 
distincta (Helopanoplia), 485 
Distribution, 30 
Echmatemys, 287, 295 
zgle, 298, 331 
arethusa, 298, 323 
callopyge, 298, 340 
cibollensis, 298, 300 
cyane, 298, 324 
euthneta, 298, 305 
haydeni, 298, 308, 313 
latilabiata, 298, 339 
lativertebralis, 298 
megaulax, 298, 301 
naomi, 298, 335 
ocyrrhoé, 298, 329 
pusilla, 298, 337 
septaria, 298, 319 
shaughnessiana, 298, 327 
stevensoniana, 298, 316 
testudinea, 298, 303 
uintensis, 298, 342 
wyomingensis, 298, 308 
eda (Testudo), 398, 450 
egregia (Amyda), 511, 531 
elkader (Toxochelys), 168, 174 
ellipticus (Aspideretes), 486, 505 
emarginatus (Osteopygis), 128, 129 
emilie (Baéna), 60, 8o 
(Testudo), 398, 419 
Emydide, 2, 33, 284 
Emys, 286 
beatus, 239 
carterl, 376 
cibollensis, 300 
culbertsonii, 386 
euglypha, 350 
euthneta, 305 
firmus, 254 
gravis, 269 
haydeni, 308, 313 
hemispherica, 318, 386 
jeanesi, 308 
jeanesianus, 308 
lata, 386 
latilabiatus, 298, 339 
lativertebralis, 298 
megaulax, 301 
nebrascensis, 386 
obscurus, 235 
owenl, 386 
pachylomus, 301, 302 
parva, 246 
petrolei, 352 
petrosus, 250 
polycypha, 343 
INDEX. 
| Emys pravus, 246 
septaria, 319 
shaughnessiana, 32 
stevensoni, 316 
stevensonianus, 300, 316 
terrestris, 344 
testudineus, 303 
turgidus, 249 
vyomingensis, 308 
wyomingensis, 308, 313, 316, 337 
enodis (Prochonias), 115 
(LTaphrosphys), 115 
entellus (Amblypeza), 122 
erosus (Osteopygis), 128, 138 
Erquelinnesia, 127, 160 
gosseleti, 160 
molaria, 160 
escavada (Baéna), 60, 65 
Eubaéna, 58, 82 
cephalica, 82 
latifrons, 83 
Euclastes, 161 
platyops, 162 
euglypha (Emys), 350 
(Trachemys), 348, 350 
Eupachemys obtusa, 458 
rugosus, 458 
Europe, turtles of, 40 
eurypygia (Cistudo), 364 
(Terrapene), 360, 364 
euthneta (Echmatemys), 298, 305 
(Emys), 305 
eximius (Neurankylus), 94 
exornata (Testudo), 397, 401 
exquisita (Amyda), 511, 525 
extensa (Platypeltis), 537, 545 
extincta (Pseudemys), 356 
Families of turtles, 25 
farri (Testudo), 398, 418 
ferox (Platypeltis), 537, 548 
(Trionyx), 548 
firmus (Adocus), 254 
(Agomphus), 249, 254 
(Emys), 254 
floridana (Deirochelys), 346 
(Macrochelys), 222 
fluviatilis (Baptemys), 277 
| fontanus (Aspideretes), 486, 494 
formosa (Xenochelys), 282 
foveatus (Aspideretes), 486 
(Trionyx), 486, 492 
fractus (Plastomenus), 467, 472 
francisce (Amyda), 511, §23 
Galapagos Islands, origin of, 37 
garmanti (Notomorpha), 269 
Geographical distribution, 30 
Geological distribution, 36 
gibbi (Osteopygis), 128, 132 
gigas (Atlantochelys), 190 
(Protostega), 190 
gilberti (Testudo), 398, 449 
Glyptops, 45 
belviderensis, 53 
celatus, 52 
depressus, §5 
ornatus, 47 
pervicax, 54 
plicatulus, 47 
gosseleti (Erquelinnesia), 160 
grandeva (Chelonia), 216 
(Procolpochelys), 216 
grandevus (Puppigerus), 216 
grangeri (Aspideretes), 486, 507 
Graptemys, 288, 358 
inornata, 358 
gravis (Emys), 269 
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