612 ORISMOLOGICAL INDEX. 
Multifidus, 296. Orichalceus, 283. 
Multipartitus, 296. Ovaliformis, 268. 
Multisectus, 305. Ovalis, 261. 
Muricatus, 273. Ovatus, 261. 
Mutilatus, ce’, 333. Oviformis, 265. 
Myriapus, 344. Pagina, 268. 
Mystacinus, a’, 309. superior. 
Natatorius, f', 345. C, 352. inferior. 
Navicularis, 1/', 351. Palatiformis, e’, 312. 
Nebulosus, 288. Palmatus, k, 321. s, 329. 
Nervulus, Z!’, 340. Papillifer, D, 351. 
Neurosus, f", 340. Papillula, 274. 
Niger, 282. Papillulatus, 274. 
Nitidus, 284. Parallelogrammicus, 264. 
Niveus, 278. Parallelopipedus, 267. 
Nodosus, 268. k, 320. Parapleuriticus, 382. 
Nudus, f", 338. Partitus, 296. 
Nutans, A, 305. Patellatus, k, 325. a", 330. 
Nympha, i. 67. Pateriformis, k, 325. 
Obesus, 260. Patulus, f", 337. 
Obliquus, 298. Pectinatus, k, 321. 
Obliteratus, 274, 292. w', 349. Pectunculatus, d’, 310. 
Oblongus, 261. Pediformis, h”, 311. 
Obscurus, 284. Pedunculatus, A, 306. h, $15. 
Obsoletus, 293. Pellitus, 278. 
Obtectus, e", 335; 1. 68. Penicillatus, 277. 
Obtusus, 290. Penicillus, 277. 
Obumbrans, £', 332. Pentaédrus, 266. 
Obumbratus, c, 351. Pentagonus, 266. 
Obversus, 299. Perfectus, 308. 
Obvolvens, a, 328. ce! 334. Perforatus, ec", 334. 
Ocellus, 286. Pergameneus, 258. 
cecus, 287. Persistens, f', 344. 
spurius, 287. Petiolatus, k!"". 342. C, 350. 
simplex, 287. Phoneticus, c, 331. 
complexus, 287. Piceus, 282. 
nictitans, 2877. Pilosus, 275. 
fenestratus, 287. Pinguis, 260. 
dioptratus, 288. Plaga, 285. 
geminatus, 288. Planus, 269. f", 336. 
didymus, 288. Plectrum, f", 339. 
sesquialterus, 288. Plicatilis, f", 336. C, 850. 
Octopus, 343. Plicatus, 294. cl’, 334. 
Odoratus, 302. Plumatus, k, 324. 
Olivaceus, 281. Plumbeus, 284. 
Opacus, 284. Plumosus, k, 234. 
Opalinus, 283. Plumulosus, 276. 
Operculatus, h, 315. Pollinosus, 275. 
Orbiculatus, 264. Polyédrus, 266. 
Ordinatus, 292. h, 313. Polygonus, 266. 
