INDEX 
ABD 
ABDOMEN, @lias postacsdomen, 
tail, or pleon, 32, 45 
Abdominalia, an order of Cirri- 
pedes, 11 
Acanthaspidia (new name) typh- 
lops, 378 
Acanthephyra, range of, 243; 
Agassizii, microphthalma, pur- 
purea, 243; pellucida,  sica, 
244 
Acanthephyride, defined, 242 
Acanthias vulgaris, devoured by 
isopods, 344 
Acanthocope, 
cauda, 387 
Acanthocyclus Gayi, 71 
Acanthomunna proteus, 381 
Acanthoniscus spiniger (family 
Oniscide), 432 
Acanthoniscus (preoccupied) ty- 
phlops (family Asellidz), 378 
Acanthoplax, 93 
Acanthopus (preoccupied) clavi- 
manus, habits of, 98 
Acanthosoma, a larval Sergestes, 
221 
Acetes, 221; indicus, found inthe 
Ox-ray, 222 
Achzus Cranchii, 106 
Acicle, antennal scale or exopod, 
146, 149, 155 
Actecia, Aucklandiz, 
431 
Actzomorpha, a doubtful genus, 
127 
Actoniscus ellipticus, 431 
acutispina, spini- 
euchroa, 
ALT 
Adamsia palliata, the hermit-crab’s 
associate, 167 
figa, 348; bicarinata, rosacea, 
Stromii, tridens, 348 ; crenulata, 
emarginata, Lovéni, monoph- 
thalma, psora, Schioedteana, 
spongiophila, 349 
Aigacylla, 349 
Aigathoa loliginea, 353 
figide, how discriminated, 347 
Agassiz, Alex., 29 
Aka-oni-gani, 154 
Alaotanais, priority of, considered, 
324; serratispinosus, 327; levi- 
spinosus, 328 
‘ Albatross,’ U.S.S., 28, 30 
Albunea symnista, 152 
Albuneide defined, 152 
Alcirona, insularis, Krebsii, 346 
Alcironide detined, 346 
Alcyonium butchered to make a 
Maia's finery, 112 
Alert,’ H.M.S., 154 
Alima, larval Squilla, 290 
Alimerichthus, larval 
290 
Alitropus, foveolatus, typus, 347, 
348 
Alloniscus, cornutus, 
perconvexus, 431 
Alpheide detined, 230 
Alpheus, 230; affinis, avarus, coma- 
tularum, Edwardsii, megacheles, 
minus, 231; sivado, 251 
Alternating forms of male in 
Cambaroides, 208; in Cam- 
Squilla, 
mirabilis, 
