y vi 
> “a. «3 PT eal » & | inl 3. S ‘ar 
1 ORE RN OG) AN tees Rare 
Sais i Rae eer uo 
INDEX. 3 Fact, 
Pleurocera elevatum, 320, 321, 722, 824, | Pupa arizonensis, 228, ae 
intensum, 322. 
lewisii, 724. 
subulare, 320, 322-326. 
PLEUROCERID#, 3/9. 
Polita, \T% 
PoLyGyRA, 770, 141, 142. 
Polygyra alba, 148, 757, 763. 
albida, 165. 
toolatnis 39, 41, 189, 142, 
151, 153-156. 
alice, 165. 
allen, J51. 
altispira, 163. 
andrewsi, 142. 
bidentata, 144. 
clausa, 142, 143, 758, 161. 
complanata, 144. 
dentata, 754. 
edentilabris, 144. 
exoleta, 142, 754, 155. 
fraterna, 767, 168. 
fraudulenta, 143, 144, 746, 
147. 
friersoni, 165. 
hirsuta, 145, 767, 164. 
imperforata, 165. 
inflecta, 743, 146. 
introferens, 147, 
juxtigens, 144. 
maritima, 151. 
minor, 151. 
monodon, 139, 145, 164, 765, 
166, 167. 
multilineata, 142, 151, z6z. 
pennsylvanica, 142, 759, 160. 
pilula, 163. 
profunda, 139, 142, 78, 149, 
150, 151, 161, 162, 163. 
pulchella, 151, 156. 
sanctisimonis, 156, 
rubra, 763. 
thyroides, 139, 142, 152, 153, 
156, 157, 158, 159, 168. 
tridentata, 42, 143, 144, 145, 
146, 147, 152, 
uncifera, 163. 
unidentata, 144. 
POMATIOPSIS, 269, 747, 346. 
Pomatiopsis cincinnatiensis, 395, 343, 
344, 346. 
lapidaria, 336, 343, 3z4, 
345. 
148. 
PRIONODESMACEA, 46, 
PRIVATULA, 22 
PSEUDOHY ALINA, 189. 
PUNCTUM, 274. 
Punctum minutissima, 215, 216. 
pygmzum, 185, 215, 216, 
PULMONATA, 738. 
PUPA, 225, 240, 
armigera, 232, ek 
carinata, 231. “a 
curta, 238, 
deltostoma, 234. 
Sallax, 228. : 
fordiana, 236. ~ te 
floridana, 239. aa 
Libbosa, 231. x 
gracilis, 239. ee 
hordeacea, 231. 
minuta, 231. 
modesta, 242. 
montanella, 238. 
ovulum, 242. 
pellucida, 231. 
rupicola, 231. SN 
tappaniana, 238. 
PUPIDA, 225. 
PUPOIDES, 228, 
Pupoides marginatus, 297, 228.. 
PYRAMIDULA, 204, 205, 295, 
Pyramidula alba, 210. 
alternata, 151, 168, 189, 
205, 206, 207, 211, 212. 
carinata, 206. 
catskillensis, 210. 
fergusoni, 208. 
knoxensis, 206. 
limitaris, 208. 
mordax, 208. 
occidentalis, 208. 
perspectiva, 212. 
rarinotata, 906. awry, 
solitaria, 904, 208, 209. in 
striatella, 167, 205, 270, } 
QUADRULA, 75. 
Quadrula coccinea, 66, 78, 79, 80, 393. 
lachrymosa, 66, 8}. 
plicata, 66, So, 81, 33, 96, 393. 
pustulosa, ‘48, 66, 
rubiginosa, 66, 77, 80, 
trigona, 66, 76, 77, 78, 80. 
tuberculata, 38, 393. 
undulata, 48, 66, 81, 82, 83. 
verrucosa, 66, 85, 393. 
Radix, 260. ) ieee 
SEGMENTINA, 300. < 5 
Segmentina armigera, 700, 301, 303. re, 
SIGMURETHRA, /70. & ; 
Selenttes, 171. BS: 
SOMATOGYRUS, 339, Sx 
Somatogyrus integer, 77, 342, “je 
isogona, 339, 340, ss 
subglobosus, 339, 340, > 
SPHERIID, J//. f 
SPHARIUM, 772, 112, 113, 125. 5 
