Page 
Streptostyla suturalis ........ 83 
LADIONSE ove e cece ec eees 640 
thomsoni .............. 98 
thoMSOnt ....... 04% 84, 85, 88 
—— turgidula............ 95, 614 
— turgidula ...... 84, 85, 87, 96 
— , var. guatemalensis.. 95 
a , var. guatemalensis.. 87, 
96 
ventricosula ........ 97,615 
ventricosula.... 84, 85, 88, 658 
—— -—., var. binneyana .... 8&4, 
88, 658 
— , var, major ........ 97 
vexamS .........0.4. 102, 616 
VELANS Wee cee eeeee 84, 85, 89 
—— viridula ............ 98, 616 
viridula .......... 84, 85, 88 
STROBILA .... ......0.. 172, 628 
Strobila oo... cece eee 173 
-labyrinthica............ 173 
labyrinthica .......... . 174 
salvini ............000. 174 
salvint oo... cee eee 173, 661 
strebeli .........4.. 178, 174 
Strobilops oo... cece eee 628 
Strombiformis costatus........ 572 
Strombus costatus ............ 572 
SEIVAEUS oo eee eee 79 
Strophia maritima............ 579 
Styganodon ...cisvssevveceee 525 
STYLOMMATOPHORA ........ 45 
SUBULINA ....... see eee 296, 638 
Subulina.... 297, 300, 301, 311, 312 
berendti.... cc. cece ee 301 
chiapensis ...- 66... 303 
cylindrella ............ 300 
cylindrella... 6... c eee es 297 
lirtfera ...... cc eee 304, 305 
octona ......+6-4.. 298, 638 
OCctOnd .....45 297, 299, 300 
ed , var. strebeli ...... 299 
—— ——, var. strebelt........ 297 
—— ——.,, var. trochlea .. 299, 638 
—— ——,, var. trochlea ...... 297, 
300, 665 
porrecta ..........0eee 300 
Porrecta sseeeseeee 297, 665 
—— (P) rangiana ............ 300 
TANGUANG ... see eeee 297, 301 
a 4 a 303 
—— stolli ...... cee eee ee 300 
i re 297, 665 
trochlea ........ 299, 300, 688 
—— trypanodes.........ccces 303 
SUCCINEA «2... ccc eee 330, 641 
INDEX. 
Page 
Succinea ...... 154, 214, 252, 382, 
335, 337, 338, 340, 379 
——ampullacea ............ 340 
ampullacea ......4.% 333, 666 
—— approximans........+565 330 
QUICM ccc 338, 341 
——hprevis ......... 0. ee eee 339 
DVEVIS... cece eee 333, 338, 666 
—— campestris..........5--. 337 
——— CaMpeStIIS Le ccc creer 333 
—— CAYMENENSIS wee eee ees 333 
—— cingulata 1.0.1... cee ee 341 
—— colorata........... e000. 336 
—— colorata.......cecceeaee 332 
—— concordialis ............ 340 
concordialis .....6...645 333 
—— costaricana ........ 338, 641 
costaricanad ........ 333, 666 
CVOCALA vec eee cee ceneee 641 
—— dominicensis ..........44 330 
—— globispira .............. 641 
-——— globisptra vo... cee eee. 674 
guatemalensis ...... 337, 641 
—— guatemalensis ...... 330, 333, 
338, 340, 666 
gundlacht ... 0... cee 330 
hortulana ...........04. 334 
hortulana .ievce cece ees 332 
Cd 337 
Lineal oo. eee eee eee 341 
— , var. sonorensis .... 341 
luteola ............ 831, 641 
——-luteola ........ 330, 332, 335 
— , var. rudiuscula .... 331 
—— , var. rudiuscula .... 332, 
336, 666 
— , var. subtilis ...... 331 
—— ——,, var. subtilis ...... 332, 
334, 666 
——  MOdeStd.. occ crcecncee 64] 
——_ MOETChE eee ccc enee 336 
—— ObIONGA we eevee vce neee 334 
—— obliqua ........055. 335, 341 
—— OVO oc .. 335 
—— petit creer cece ccnes 335 
—— pferffert oc... ceccceccens 336 
pueblensis...........4-. 338 
pueblensis ...... 330, 333, 341 
—— UEP IS. eee eee 336, 539 
1) 339 
—— TOCISA oe eee eee ees B88 
POCUSH. Coe cece tween ees 642 
Ca ee 330 
salleana......... ese eee 339 
salleand......6. 333, 341, 642 
—— ——,, var. cordovana .... 339 
703 
Page 
Succinea salleana, var. cordo- 
VANE a ceed eee chek iwet eee 333 
SONOPENSUS ove cere eee 333 
——— LEVASIANA wee ec ee eee 331 
tlalpamensis ............ 642 
— , var. cuitseana .... 642 
Cottentand .. ocr cersveees 338 
—— undulata .............. 335 
UnduUlatd occ. ccecee 332, 336, 
338, 341, 666 
—— ——, var. carmenensis.... 341 
—— ——, var. colorata ...... 336 
—— ——, var. cordovana .... 389 
—— ——, var.mérchi ...... 336 
— , var. moerchit .. 382, 666 
UNUCOLOL oo vce evrescecns 338 
Wingate occ cew ones ews 334 
VUIGAEA vieeerececee 332, 666 
—— ——,, var. hégeana ...... 334 
—— -——.,, var. hégeana .. 382, 666 
. 384 
—— ——., var. microspira ... 
——, var. microspira .... 382 
Symphynota oo. ccceeecee 481, 521 
Synopeas caracasensis ........ 294 
Taphtus ... 00.0 383, 396 
Tebennophorus ........00000- 345 
QUPALUS Cee eee 346 
COSEATICENSIS 0 oo ee eae 346 
——— CYOSSCANUS . oe cece eee 346 
77] 345 
0 1 575 
COPONALUS voce cece eens 588 
MUPICALUS ccc eee eas 578 
PAGOUUS. 6. cee veenees 575 
Tectus ccc cece nee 575 
Dullatus oo. ee cece eee eee 588 
Aentatus... ccc ccvcveces 575 
MUPICALUS Vive e ec ecceens 578 
PAGOUUS ver ssereseves .. 575 
TRAUMASIA reece cece ne eneee 286 
TRAWMASUS cicccservceccnees 199 
—— alternatus ......ecceeuee 243 
MAMVTO ver cvevncvcecece 243 
PAEPIATCHA — v nrvvvvevees 242 
SCAICHCUNUS sees cvcecee 239 
UYONG oo ce anevegion 223, 233 
TheodoXus ...cecervevees 468, 475 
PECIIVALUS cece cceneevees 472 
Thysanophora .. 128, 181, 621, 626 
CRGD ive edad eww ees 622 
conspurcatella _.. 128,621, 622 
ak a 129 
a 129 
—— turbinella ...cecevcneere 659 
Tichogonta ...scvrecccceveres 476 
