INDEX 



461 



PRO 



Prosthete cannelee, 416 



Protopodite, 36 



Protosquilla, elongata, Guerinii, 



287 ; larval form of, 290 

 Protozoa, 1 

 Protozoea, 217 

 Prudden, Mr. T. M,, on Gelasimus 



minax, 91 

 Pc^alistoma, the ' cutting margin 



of the mandible,' 255 

 Pseudarmadillo carinulatus, 433 

 Pseuderichthus, larval form of 



Pseudosquilla, 290 

 Psendibacus Yeranyi, 194 

 Pseudione, callianas-ae, confusa, 



Dohrni, Fraissei, Hyndmanni, 



insignis, 411 

 Pseudocalanus elongatus, parasite 



on, 397 

 Pseudocarcinus gigas, 26 

 Pseudocorystes, 74 ; armatus, 75 

 Pseudocuma, cercaria, ciliata, lon- 



gicornis, 307 

 Pseudocumidge defined, 307 

 Pseudo-mandibles of Gnathia, 336 

 Pseudornma, 267 ; Sarsii, trunca- 



tum, 269 

 Pseudomysis, 267 ; abyssi, 274 

 Pseudorhombila, 93 

 Pseudosiriella, 267 ; frontalis, 277 

 Pseudosquilla ciliata, 286 

 Pseudotanais, 323 

 Pseud ozius, Mellissi, 62 ; Bouvieri, 



63 

 Pterelas, 349 - 

 Pterygotus, a genus of the Mero- 



stomata, 26, 27 

 Pterygostomian regions, 52 

 Pierygura, 146; reason for dis- 

 carding the name, 147 

 Ptilanthura, 332 



Ptychogaster Milne-Edwardsi, 178 

 Pycnogonida, some peculiarities of 



the, 3, 4 

 Pylocheles, Agassizii, spinosus, 169 

 PylochelidEe, 169 ; a synonym of 



Parapagurida^, 170 

 Pyrgoniscus cinctutus, 434 



QijArR:::LLA. 65 



SAB 



Eachitia spinalis, 253 



Eanina, scahra, 139 ; dentata, sea- 

 bra, serrata, 140, 141 



Eaninidie, 140 



Eanininea defined, 139 



Eaninoides personatus, ] 43 



Eathbun, Miss M , on Panopeus, 

 56; on the Pericerid^e, 120 



Eatlike, H., on the cray-tish, 84, 

 207 



Eatlike, J., Cymothoa lignorum of, 

 367 



Eeaumur, on exuviation, 207 



Eed Crab of the devil, 154 



Eegions of the carapace, 52 



Eegulus preoccupied, 239 



Eeraipes, 151 ; adactylus, scutel- 

 latus, testudinarius, 152 



Eespiration, see Branchiae and 

 Breathing apparatus 



Ehabdosoma armatum, a slender 

 species of Amphipoda Hype- 

 ridea, 30 



Ehinoceros-whale, the, 25 



Ehinoryctes mirabilis, 431 



Ehipidura, or tail-fan, 46, 146 



Ehizocephala, an order of Cirri- 

 pedes, 11 



Ehoda, inermis, Jardineana, Eas- 

 chii, 263 



Ehomaleocaris, 242 



Ehynchocinetes typus, 228 



Ehyscotus turgifrons, 429 



Eiver Crabs, 76 



Eobber Crab, 158 » 



Eobertson, Mr. David, observa- 

 tions on Cor3'stes cassivelaunus, 

 74 ; Cumacea found in the Clyde 

 by, 292 ; Leptaspidia brevipes 

 found by, 381 



Eocinela, 348, 352 ; danmoniensis, 

 signata, 349 ; foveolatns, 350 



Eondelet on Squilla mantis, 282 



Eumph, or Eumphius, story attri- 

 buted to, 142 ; his Cancer cani- 

 nus, 143 ; on the cocoanut 

 crab, 158 



Sabixea, 225 ; ' septemcarinata, 

 227 ; larval form of, 228 



