524 INDEX. 
Nereicola, II 11 286. 
Nereidx, IT 1 249; IV ii 464. 
Nereide, Die bunte, II 11 313. 
—  — faserige, IT ii 271, 325, 338. 
— — gefleckte, IT i 89. 
—  — geperlte, IT i 188. 
— -— eriine, IT i 56. 
—  — warzige, IT 1 269. 
nereidis, Doliocystis, IT 1 312. 
Nereidonta, IT i 420. 
Nereilepas, I i 2; II ui 251. 
Nereimyra, IT i 122. 
Nereiphylla, IT i 56. 
Nereiphylle de Paretto, II i 83. 
NewS, Ibi Oe It ne ies IL im Me IDL a 4ho IOL m 
949, 267; IV i 6,90; IV ui 262. 
— madrepore pertusz, IT 11 435. 
—  pelagica, IT 11 268. 
Nereiscolecia, III i 239. 
Nereisyllis, II i 188, 215. 
Nerilla, IT i 147. 
Nerine, III i 133, 139. 
Nerinides, III i 136; IV u 479. 
nesidensis, Amphitrite, 1V i 126. 
= Polymnia, IV i 100, 126. 
— Terebella, IV i 126. 
Nicidon, IT i 140; IT n 345. 
Nicolea, [IV 1 149. 
Nicomache, III i 290, 301. 
Nicomachella, IIT i 294. 
Nicomachine, ITI i 301. 
Nicomedes, II 1 264. 
nigra, Borlasia, I ic 182. 
nigripes, Glycera, If 1 485. 
Nikidion, IT 11 347. 
ninetta, Lysidice, IT 11 345, 456 n, 457; IV 1 468. 
Ninoé, IT ii 346, 370. 
nitens, Aphrodite, I ii 247. 
nivea, Polynoé, I 1 307. 
nobilis, Antinoé, I 11 349, 352. 
Noctiluca marina, II i 179. 
noctiluca, Nereis, II i 179, 181. 
nodosa, Hunoa, I ii 291, 292, 297. 
— > Joao, IL im BR 
— Harmothoé, I u 292. 
—  Polynoé, I ii 272, 292. 
Nolani, Aricidea, IV u 474. 
Nordmanni, Eone, II ui 461], 469. 
— Goniada, IT ii 469. 
— Glycinde, II ii 460, 469. 
Normani, Acanella, I ii 278. 
= Euchone, [V ii 284. 
— Evarne, I 11 364. 
Normanica, Syllis, IT i 165, 166. 
norvegica, Aricia, IT ii 506, 508, 509. 
Ee Eunice, II ii 344, 345, 484, 435. 
ies Hydroides, IV 11 279, 326, 328, 346, 353, 
359, 360, 365, 369. 
= Leodice, II ii 435. 
norvegica, Nereidonta, IT 1 435. 
— Nereis, IT i 435. 
— Serpula, [IV u 347. 
norvegicus, Chetopterus, I ic 181; IIT i 118, 120. 
— Cirratulus, IIT 1 248, 269 n; IV ni 488. 
norvegus, Chetopterus, IIT i 121. 
norwegica, Leodice, IT ii 435. 
Notaulax, IV i 218. 
Nothria, IT i 404. 
Notocirrus, II ii 346, 370, 400. 
Notogymnus, I i 17, 
Notomastus, III 1 269, 275; IV ui 493. 
Notophyllum, IT i 48, 44, 46. 
Notoproctus, III 1 298. 
Notopygos, I 1 220. 
Notospermus, I i 16, 18, 38. 
nove-zealandiz, Borlasia, I i 96. 
= Lineus, I ie 104. 
nucleolata, Heterophenacia, [V i 171. 
Nucula, I ii 367; II 1 407; IV i 148, 144. 
nuda, Sabella, TV u 279. 
nudipes, Nephthys, IT 1 28, 41. 
Nullipores, IV i 237. 
Nychia, I ii 285, 325. 
Obelia, IT 1c 169; Ti 1 190; TM 1 122 197. 
oblonga, Campula, I ic 139. 
— Syllis, IT 1 205. 
obscura, Borlasia, I ic 117. 
—  Nemertes, I ic 188. 
== Pherusa, Mil 189: 
—  Polia, I 1 35, 49, 73; I ie 168, 171. 
obscurum, Loxorrhochma, I ic 168. 
= Tetrastemma, I i 28, 29, 32, 45, 72, 75, 
77, 88, 94; I ic 168. 
obseurus, Lineus, I 11 320. 
obtecta, Hulalia, IT 1 48, 47. 
occidentale, Chrysopetalum, IV 11 421. 
occidentalis, Eupolynoé, IV 1 423. 
= Owenia, IIT i 364. 
ocellata, Cephalothrix, I i 38. 
—  Ommatoplea, I ic 209. 
— Palmyra, I ui 437. 
Ockenii, Nereis, II 11 300. 
Octobranchus, IV i 208. 
octocirrata, Sabella, [TV i 68, 75. 
o= Sabellides, IV i 75. 
sa var. britannica, Sabellides, [V i 75. 
aus — mediterranea, Sabellides, [IV i 76. 
octocostata, Vermilia, IV ii 356. 
octoculata, Borlasia, I ic 188. 
sos: Nemertes, Ii 38; I ic 188. 
= Planaria, I i 16; I ie 188. 
oculata, Amphihelia, IT 11 439, 442. 
—  Genetyllis, IT i 46, 95. 
—  Nematonereis, II ii 454. 
—— Joh, IL nt Is, 
— Sabella, IV i 2383. 
oculatus, Lineus, I ic 188. 
