INDEX 



461 



PRO 



SAB 



Prosthfete cannel^e, 416 



Protopodite, 36 



Protosqnilla, elongata, Guerinii, 



287 ; larval form of, 290 

 Protozoa, 1 

 Protozoea, 217 

 Prudden, Mr. T. M., on Gelasimus 



minax, 91 

 Fsalistoma, the ' cutting margin 



of the mandible,' 255 

 PseudarmadlUo oarinulatus, 433 

 Pseuderiohthus, larval form of 



Pseudosquilla, 290 

 Pseudibacns Veranyi, 194 

 Pseudione, callianas-'se, confusa, 



Dohrni, Fraissei, Hyndmanni, 



insignis, 411 

 Pseudocalanus elongatus, parasite 



on, 397 

 Psendocaroinus gigas, 26 

 Pseudocorystes, 74 ; armatus, 7S 

 Pseudoouma, cercaria, ciliata, lon- 



gicomis, 307 

 PseudoonmidEe defined, 307 

 Pseudo-mandibles of Gnathia, 836 

 Pseudomma, 267 ; Sarsii, trunca- 



tum, 269 

 Pseudomysis, 267 ; abyssi, 274 

 Pseudorhombila, 93 

 Pseadosiriella, 267 ; frontalis, 277 

 Pseudosquilla ciliata, 286 

 Pseudotanais, 323 

 Pseudozius, MeUissi, 62 ; Bouvieri, 



63 

 Pterelas, 349 

 Pterygotus, a genus of the Mero- 



stomata, 26, 27 

 Pterygostomian regions, 52 

 Pterygura, 146 ; reason for dis- 

 carding the name, 147 

 Ptilanthnra, 332 



Ptychogaster Milne-Edwardsi, 178 

 Pycnogonida, some peculiarities of 



the, 3, 4 

 Pylocheles, Agassizii, spinosus, 169 

 Pylochelidas, 169 ; a synonym of 



ParapaguridsE, 170 

 Pyrgoniscus cinctutus, 434 



QlJADEELLA, 65 



Rachitia spinalis, 263 



Banina, scabra, 139 ; dentata, sea- 

 bra, serrala, 140, 141 



BaninidiB, 140 



Ranininea defined, 139 



RaniBoides personatus, 143 



Eathbun, Miss M , on Panopeus, 

 56; on the PericeridaB, 120 



Rathke, H., on the cray-fish, 84, 

 207 



Eathke, J., Cymothoa lignorum of, 

 367 



Reaumur, on exuviation, 207 



Red Crab of the devil, 154 



Regions of the carapace, 52 



Regulus preoccupied, 239 



Remipes, 151 ; adactylus, scutel- 

 latus, testudinarius, 152 



Respiration, see Branchi» and 

 Breathing apparatus 



Ehabdosoma armatum, a slender 

 species of Amphipoda Hype- 

 ridea, 30 



Rhinoceros-whale, the, 25 



Rhinoryctes mirabilis, 431 



Rhipidura, or tail-fan, 46, 146 



Rhizooephala, an order of Cirri- 

 pedes, 11 



Ehoda, inermis, Jardineana, Ras- 

 ohii, 263 



Ehomaleooaris, 242 



Ehynchooinetes typus, 228 



Rhyscotus turgifrons, 429 



River Crabs, 76 



Robber Crab, 158 



Robertson, Mr. David, observa- 

 tions on Coryetes eassivelaunus, 

 74 ; Cumaoea found in the Clyde 

 by, 292; Leptaspidia brevipes 

 found by, 381 



Rocinela, 348,352; danmoniensis, 

 signata, 349 ; foveolatns, 350 



Eondelet on Squilla mantis, 282 



Rumph, or Eumphius, story attri- 

 buted to, 142 ; his Cancer cani- 

 nus, 143 ; on the cocoanut 

 crab, 158 



Sahinba, 225 ; septemcarinata, 

 227 ; larval form of, 228 



