343 
eeraipunctata Lam. v. discoi’s 
18. 
serrata Carp. 290. 
sertulariarum d’ürb. 221. 
siderea (Eng.) Reeve 275. 
sigaloessa Melv. 287. 
similia Rav. v. avara 62. 
simpronia Duclos v. rustica 
313. 
sinensis (Eng.) Melvill 286. 
sinuata Sow. 256. 
smithi Angas 255. 
solidula Rve. 48. 
sonsonatensis Mörch 20. 
Bordida d’Orb. v. unifasciata 
103. 
souverbiei Crosse 117. 
sowerbyi Ducl. v. boivini 315. 
35. 
spadicea Phil. 138 
sparsa Rve. 132. 
speciosa Angas 237. 
Spectrum Rve. 67. 
spelta Monteros. 174. 
spica Melv. (Eng.) 280. 
spicula Duclos v. cumingii 
317. 118. 
spirantha Raven. 295. 
spiratella Marts. 167. 
splendidula Sow. 75. 
spongiarum Duclos v. rustica 
7. 
spurca Sow. v. paytensis 12. 
stearnsii Tryon 155. 
strenella Duclos 318. 
striata Duclos v. rustica 7. 
striata Menke v. rustica 7. 
striata (Engina) Pease 284. 
striatula Dkr. 227. 
stricta Watson 151. 
strigata Reeve 193. 
strix Wats. 149. 
strombiformis Lam. 14. 
subcostata C. B. Ad. v. co- 
stulata 152. 
sublaevis Montr. 236. 
subturrita Carp. 329. 
subulata Sow. 50. 
subvitrea E. A. Smith 325. 
suffusa Sow. 124. 
sugillata Reeve 232. 
sulcata Ducl. 314. 
sulcosa Sow. 200. 
sutoris Kob. 130. 
suturalis Gray v. fluctuata 42. 
taeniata Phil. 160. 
taeniata Ad. et Rve. v. tae- 
niolata 193. 
taeniolata Kob. 192. 
tayloriana Rve. 114. 
telea Ducl. 311. 
tenebrica Rve. 119. 
tenisoni Tryon 210. 
tenuis Rve. 127. 
teophania Ducl. 318. 
terpsichore Sow. 60. 
terpsichore Mke. v. coronata 
181. 
terquemi Jouss. 259. 
tessellata Dkr. v. rorida 144. 
tessellata C. B. Ad. v. gua- 
temalensis 224. 
testae Arad. v. costulata 152. 
testina Duclos 321. 
ticaonis Sowb. 208. 
tigrina Ducls. v. versicolor 
314. 24. 
tincta Carp. 289. 
translirata Rav. v. avara 62. 
trifasciata (Eng.) Reeve 265. 
tringa Lam. 71. 
tringa Costa v. rustica 6. 
troglodytes Sow. 226. 
tuberculata Rve. 183. 
tuberculosa (Eng.) Pease 285. 
tuberosa Carp. 157. 
tumida Rve. v. rustica 7. 
turbida Duclos 316. 
turbinella (Eng.) Kiener279. 
turnbulli Linsl. v. lunata 145. 
turrita Sow. 51. 
turturina Lam. 26. 
tyleri Gray v. pardalina 46. 
uncinata Sow. 195. 
undata Carp. 328. 
undata Kiener v. tringa 71. 
undata Duclos v. aspersa 69. 
321. 
unicolor Sow. v. unifasciata 
103. 
unifasciata Sow. 103. 
unifascialis Lam. v. unifas- 
ciata 103. 
unisulcata Kob. 119. 
unizonalis Gray v. unifas- 
ciata 103. 
uvania Duclos 316. 
valga Gould 131. 
valida Reeve 191. 
varia (Cithara) Pease v. 
peasei 240. 
varia Sow. 39. 
variabilis (Eng.) Pease 285. 
varians Sow. 65. 
varians Dkr. v. dunkeri 211; 
varicosa Gask. 232. 
