ALPHABETICAL INDEX. 
4U5 
Xautilus 
orn at issi m us, 65 . 
omatus, 208. 
oxystomv.s, 99. 
(Discites) oxystomus, 99. 
Parkinsoni, 347. 
pentagonus, 176. 
perinflatas, 228. 
perlatus, 305. 
pinguis, 117. 
( Trocholites) plamrhiformis, 
49. 
planotergatus, 93. 
^Discites) planotergatus, 93. 
plicatus, 246. 
poljgonalis, 214. 
pompilius, ill, 179, 363. 
pompilius, 351. 
( Temnocheilus) porcafus, 
114. 
(Hercoglossa) Portlandicus, 
241. 
Portlandiciis, 241. 
primcBvus, 49. 
privatus, 184. 
pseuuoelegans, 253. 
pseudolineatus, 213. 
quadrat us, 122. 
{Discites) quadratns, 121, 
123; 
quadrilineatus, 301. 
(Clydonautilus) Quenstedti, 
188. 
Quenstedti, 188. 
radiatus, 248. 
radiatus, 252. 
regalia, 318. 
Pequienianus, 24(5. 
Reussii, 303. 
robustus, 205. 
Sacheri, 83. 
Sauperi, 185. 
(Hercoglossa) Sauperi, 393. 
Saussureanus, 394. 
Saxhianus, 310. 
Saxhii, 310. 
(Hercoglossa) Saxbyi, 310. 
(Trocholites) Scotictis, 49. 
semistriatus, 200. 
semiundatus, 279. 
similliuius, 195. 
Siraonyi, 186. 
Sraitbi, 231. 
Sowerbyanus, 293. 
Sowerbyi, 323. 
sphaericus, 298. 
(Clydonautilus) spirolobus, 
187. 
spirolohus, 187. 
squamosus, 192, 248, 250. 
Sternhergi, 80. 
Nautilus 
Strambergensis, 238. 
striatus, 189. 
suhglohosus, 128. 
sublsevigatus, 242. 
subradiatus, 248. 
subsidcatus, 93, 121, 122. 
(Discites) subsulcatus, 121. 
subtruucatus, 223. 
subtuberculatus, 142. 
Suessi, 184. 
sulcatulus, 121. 
sulcatus, 95, 124. 
(Discites) sulcatus, 95, 96. 
sulcifer, 124. 
sidciferus, 112. 
sypho, 351. 
terebratus, 204. 
tertius, 186. 
tetragonus, 87. 
(Discites) tetragonus, 87. 
Toarcensis, 201. 
Traxitscholdi, 134. 
triangularis, 266. 
(Hercoglossa) Trichinopoliten- 
sis, 315. 
( Trcmatodiscus) trisulcatus, 
124. 
(Discus) trisulcatus, 124. 
iruncatus, 197. 
tuberculatus, 147. 
(Temnocheilus) tuberculatus, 
147. 
tyrannus, 81. 
umbilicatus, 331 . 
undosus, 45. 
uudulatus, 244. 
urban us, 320. 
Varusensis, 250. 
vastus, 296. 
ventroplicatus, 280. 
Wrightii, 127. 
(Ahiria) ziczac, 343. 
(Clymenia'i) ziczac, 343. 
ziczac, 342, 346, 351 , 3.54. 
zigzag, 342, 351. 
sp., 300, 309, 330. 
Nautilus, 43, 74, 100, 335. 
Oceanus, 179. 
Ophidioceras, 8 . 
articulatum, 10. 
geotnetricum, 11. 
rudens, 13. 
(Lituites) rudens, 13. 
simplex, 12. 
(Lituites) simplex, 12. 
tessellatum, 13. 
(Lituites) tessellatus, 13. 
Ophioceras, 8. 
