INDEX 



ABD 



ABDOMEX, alias postabdonien, 



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 



Acanthephyridae, denned, 242 

 Acanthias vulgaris, devoured by 



isopods, 344 

 Acanthocope, acutispina, spini- 



cauda, 387 



Acanthocyclus Gayi, 71 

 Acanthomunna proteus, 381 

 Acanthoniscus spiniger (family 



Oniscidse), 432 

 Acanthoniscxis (preoccupied) ty- 



phlops (family Asellida;), 378 

 Acanthoplax, 93 

 Acanthopus (preoccupied) clavi- 



manus, habits of, 98 

 Acanthosoma, a larval Sergestes, 



221 

 Acetes, 221 ; indicus, found in the 



Ox-ray, 222 

 Achteus Cranchii, 106 

 Acicle, antennal scale or exopod, 



146, 149, 155 

 Actfecia, Aucklandias, euchroa, 



431 

 Actasomorpha, a doubtful genus, 



127 

 Actoniscus ellipticus, 431 



ALT 



Adamsia palliata, the hermit-crab's 



associate, 167 

 J5ga, 348 ; bicarinata, rosacea, 



Stromii, tridens, 348 ; crenulata, 



emarginata, Loveni, monoph- 



thalma, psora, Schioedteana, 



spongiophila, 349 

 ^Egacylla, 349 

 ^rEgathoa loliginea, 353 

 ^Egidfe, how discriminated, 347 

 Agassiz, Alex., 29 

 Aka-oni-gani, 154 

 Alaotanais, priority of, considered, 



324 ; serratispinosus, 327; lasvi- 



spinosus, 328 

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

 Albunea symnista, 152 

 Albuneidas denned, 152 

 Alcirona, insularis, Krebsii, 346 

 Alcironidas 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 

 Alloniscus, cornutus, mirabilis, 



perconvexus, 431 

 AlpheidiB defined, 230 

 Alpheus, 230; affinis, avarus, coma- 



tularum,Edwardsii, megacheles, 



minus, 231 ; sivado, 251 

 Alternating forms of male in 



Cambaroides, 208 ; in Cam- 



