INDEX 



441 



ARM 



of, 77; on the crab with the 

 Pinna, 100 ; Carabos of, 195 ; 

 on name for the lobster used 

 b}', 203 ; on a caridion in the 

 shell of a Pinna, 241 



ArmadillididEe defined, 432 



Armadillidium, album, alpinum, 

 Davidi, esterelanum, Kochi, 

 Simoni, sordidum, vulgare, 434 



Armadilloniscus, ellipticus, tuber- 

 culatus, 431 



Armature, of Oplophorus, 244 ; of 

 claw and pleon in Squilla, 282 ; 

 of carapace in female Cumacea, 

 294 ; of species of Arcturus, 370 



Arms, Miss J. M., on the crusta- 

 cean labium, 40 ; on the telson 

 of Porcellana, 47 ; on the gait 

 of a crab, 58 



Arte mia, the brine- shrimp, a Phyl- 

 lopod, 14 



Arthrobranchiae, 134 



Arthropoda, definition of, 2; 

 classes of, 3 



Asaphus tyrannus, a large trilo- 

 bite, 27 



Ascension Island, land-crabs at, 14 



AsellidsB defined, 376 ; notes by 

 Bovallius on, 377 



Asellopsis preoccupied, 377 



Asellota defined, 37(i 



Asellus, 375; aquaticus, 13, 23, 

 377 ; communis, coxalis, 377 



Aspidophryxus, peltatus, Sarsi, 

 399 ; Sarsi, paxasitic Copepod 

 on, 400 



Astacidae, discarded as a family 

 name, 201 



Astacidea defined, 199 



Astacilla, 370 ; Cordiner's original 

 account of, 371 ; damnomensis, 

 Deshayesii, dilatata, gracilis, 

 granulata, intermedia, longi- 

 cornis, 371 ; marionis, 372 



Astacoides madagascariensis, 209 



Astacopsis serratus. large Austra- 

 lian crayfish, 28, 210 



Astacus, misuse of name, 201 ; 

 right use reasserted, 203 ; gam- 

 marus, americanus, 203 



Astrurus crucicauda, 381 



BAT 



Atattut, name of cocoanut crab 

 in Amboina, 158 



Atelecyclus, heterodon, septem- 

 dentatus, 75 



Athanas nitescens, 232 



Athelgue, alias Athelgus, Athelges, 

 409 ; guitarra,paguri, Prideauxii, 

 409 ; Cardonee, cladophora, in- 

 termedia, lorifera, 410 



Atya, remarkable hands of, 240 ; 

 bisulcata, scabra, serrata, sul* 

 catipes, 240 



Atyephyra, 241 



Atyidje defined, 239 



Atyoida, 240 



Atys preoccupied, 240 



Auditory apparatus, in first an- 

 tennge of Macrura, 36 ; in uro- 

 pods of MysidiB, 37 ; in Bra- 

 chyura, 52 



Audouin, Savigny's plates de- 

 scribed by, 173 ; on Tylos La- 

 treillii, 424 



Aurivillius, Dr. C. W. S., on the 

 manners and customs of thti 

 Oxyrrhyncha, 113, 114; on the 

 associates of hermit crabs, 168; 

 on glands in Eupagurus, 169 



Autonomoea, classification of, 253; 

 Olivii. glaber, 253 



Axiidaj defined, 187 



Axius, 187; glyptocerus, 188; 

 stirynchus, 187 



Bacon, Lord, natural knowledge 



in, 5 

 Bsenosome, aliaa trunk, perseon, 45 

 Bait for Crustacsans, 21 

 Balanoglossus, position of, 2 

 Balanus,improvisusin fresh water, 



17 ; psittacus of great size, 31 

 Barrels, Dr. Th., on Ozius Ed- 



wardsi, 63 ; on catching crabs, 



94 ; Syrian woodlice collected 



by, 427 

 Barybrotidse defined, 347 

 Barybrotes, agilis, Indus, 347 

 Basis, alias basipodite, second 



joint, 43 

 Bate, Mr. Spence, on ear-cavity 



