INDEX 



ABD 



Abdomen, alias postabdomen, 



tail, or pleon, 32, 45 

 Abdominalia, an order of Cirri- 



pedes, 11 

 Acanthaspidia (new name) typh- 



lops, 378 

 Acanthephyra, range of, 2-13 ; 



Agassizii, inicrophthalma, pur- 

 purea, 243; pellucida, sica, 



244 

 Acanthephyridse, defined, 242 

 Aoanthias vulgaris, devoured by 



isopqds, 344 

 Acanthocope, acutlspina, spini- 



caada, 387 

 Acanthocyclus G-ayi, 71 

 Aoanthomunna proteus, 381 

 Aoanthoniicus spiniger (family 



Oniscidffi), 432 

 Acantboniscus (preoccupied) ty- 



phlops (family Asellidse), 378 

 Acanthoplax, 93 

 Acanthopus (preoccupied) clavi- 



manus, habits of, 98 

 Aoanthosoma, a larval Sergestes, 



221 

 Acetes, 221 ; indicus, found in the 



Ox-ray, 222 

 Aohseus Cranchii, 106 

 Acicle, antenna! scale or exopod, 



146, 149, 155 

 Antascia, Aucklandise, euchroa, 



431 

 Actffiomorpha, a doubtful genus, 



127 

 Actonisous elliptious, 431 



ALT 



Adamsia palliata, thehermit-crab'a 



associate, 1G7 

 ^ga, 348 ; bicarinata, rosacea, 



Slromii.ti-idens, 348 ; crenulata, 



emarginata, Lovfini, monoph- 



thalma, psora, Schioedteaua, 



spongiophila, 349 

 ^Tgacylla, 349 

 jEgathoa loliginea, 353 

 ^gidae, how discriminated, 347 

 Agassiz, Alex., 29 

 Aka-oni-gani, 154 

 Alaotanais, priority of, considered, 



324 ; serratispinosus, 327 ; Isevi- 



spiuosus, 328 

 ' Albatross,' U.S.S., 28, 30 

 Albunea symnista, 152 

 Albuneidae defined, 152 

 Alcirona, insularis, Krebsii, 346 

 Alcironidae defined, 346 

 Alcyonium butchered to make a 



Maia's finery, 112 

 Alert,' H.M.S., 154 

 Alima, larval Squilla, 290 

 Alimerichthus, larval Squilla, 



290 

 Alitropus, foveolatus, typus, 347, 



348 

 Alluniscus, cornutus, mirabilis, 



perconvexus, 431 

 Alphtidse defined, 230 

 Alpheus, 230; affinis, avarus, coma- 



tularum, Edwardsii, megacheles, 



minus, 231 ; sivado, 251 

 Alternating forms of male in 



Cambaroides, 208; in Cam- 



