INDEX 
NEP 
Neotanais, 324; serratispinosus, 
327 ; levispinosus, 328 
Nephrops, norwegicus, Thomsoni, 
202 
Nephropside defined, 201 
Nephropsis, atlantica, Stewarti, 
206 
Nerocila, depressa, 351; Lovéni, 
munda, serra, 352 
Nervous system, 2, 48; in Cyclo- 
metopa, 55; in Oxyrrhyncha, 
104; in Cumacea, 300 
Nesza preoccupied, 361 
Nika, Couchii, edulis, processa, 229 
Nikide defined, 229 
Nikoides Danze, 230 
Norman, Canon, on distribution, 
66; on Axius stirynchus, 187; 
on Myside, 271; on male Ta- 
naids, 327 
Norman and Stebbing, on Isopoda 
of the Porcupine, &c., 326 
Nothocaris, 238 
Notophryxus,clypeatus, globularis, 
lateralis, ovoides, 400 
-Notopoides latus, 143 
Notopus dorsipes, 143 
Notostomus, 245; perlatus, 246 
‘Novara,’ the, Crustacea of, 77 
Nyctiphanes, australis, Couchii, 
norvegica, 263 
OCCIPUT, in Oniscoidea, 435 
Ocypode, 85; arenaria, ceratoph- 
thaimus, rhombea, 86; Fritz 
Miiller’s discu sion of, 87 
Ocypodidz defined, 85 
Ocypodiidea, alias Catometopa, 53 
Oeidia, synonym of Gomeza, 76 
(Ethra, 154 
Olaus Magnus, pictures from, 25 
Old Man’s Face Crab, 75 
Olencira pregustator, 353 
Oligoniscus monocellatus, 422 
Olivi, pile of crabs described by, 
lil 
Ommatocarcinus Macgillivrayi, 92 
Oniscidez detined, 425 
Oniscoidea defined, 420 
Oniscus, the original genus, 318; 
457 
OZI 
-paradoxus, 357; asellus, fossor, 
-murarius, punctatus, Simonii, 
430 
Onychophura, a small class of Ar- 
tbropods, 3 
Oodeopide defined, 252 
Oodeopus, 252; origin of the name, 
253 
Opercula‘a, order or suborder of 
Cirripedes, 11 
Ophthalmic segment, 34 
Oplophorus typus, armature of, 
244 
Oppian, on Pinnotheres, 100; his 
ignorance of Syuillide, 282 
Orbits, 51 
Orchestia, littoral species of, 16 
Orchestidee, short first antennz of 
the Amphipod family, 36 
Oreophorus, 130 
Orithyia, bimaculatus, 
laris, 125 
Orphania tenuimana, 252 
Osachila, 127 
Ostracoda. order of Entomostraca, 
9; subdivision of, 10; a giant 
species of, 31 
Ostraconotus, 166 
Otoliths, 36, 37, 182, 196 
Ouracherus caudatus, 432 
Ourozeuktes, caudatus, 
canthi, Owenii, 355 
Ova, of Corystes cassivelaunus, 74; 
of Eupagurus, 164 ; of Munidop- 
sis, 177; of Caridea, 224; of 
Schizopoda, 256; of Squillide, 
288 
Ovaries, of the Stomatopoda, 279; 
of the Cymothoidz, 350; of the 
Entoniscide, 405; of Ergyne 
cervicornis, 414 
Oxyrrhyncha defined, 104; spell- 
ing of the name, 105; manners 
of, 112; lead among Crustacea 
taken by, 118 
Oxystomata defined, 123 
Oyster Crab, the, LOL 
Oysters, eaten by the Shore Crab, 
66; story of Pinnotheresand, 100 
Ozius, ridges on endostcme of, 62; 
Edwardsi, 63 
mammil- 
mona- 
