458 



A HISTOKY OF RECENT CEUSTACEA 



PAC 



Pachygrapsus marmoralus, 94 ; 



parasite of, 407 

 Packard, Dr. A. !S., on size of Phyl- 



locarida, 31 

 Pactolus Boscii, a made-up species, 



i06, 107 

 Paguridae defined, 159 

 Pagurioea defined, 155 

 Paguristes, 1G6 

 Pa;^uropsis, simply bent pleon of, 



169 

 Pagurus, 159, 160 ; similimanus, 



160; Bernhardus, cuanensis, 



Dilwynii, fasciatus, ferrugineus, 



Forbesii, Hyndmanni, laivis, 



Prideaux, striatus, tricarinatus, 



Thompson!, ulidianus, 161 ; ar- 



rosor, niegistus, 162 ; granu- 



latus, 163 

 Paltfigyge, 410; affinis, Bonnieri, 



Borrei, de Mani, fluviatilis, 



Hoyli, 411 

 PatemoQ, 246 ; carcinus, 28 ; Fa- 



bricii, heterochirus, jamaicensis, 



lar, Leachii, minans, serratus, 



squilla, varians, 247 

 Palajmonella, tenuipes, orientalis, 



247 

 Palsemonetes, exilipes, varians, 



vulgaris, 248 

 Palestine, isopods of, 376, 429 

 Palinosyt.us, synonym of Jasus, 



Hiigelii, Lalandii, 196 

 Palinurellus, gundlachi, 197 ; hy- 



bridica, 198 

 Palinuridaj defined, 1 95 

 Palinurus, vulgaris, 27, 195; tu- 



midu^, 27, 19G 

 'Palp' (tndopodal joints), of 



the mandibles, 39 ; of the 



first maxilltB, 295, 316, 318; 



of the first maxillipeds, 336, 



340 

 Palp, alias exopod, of the third 



maxillipeds, 192, 194 

 Pandalidaa defined, 237 

 Pandalopsis, 238 

 Pandalus, annulicorois., breviros- 



tris, Montagui, narwal, 238 

 Panopeus, Benedict and Eathbun 



on the genus, 56 



PAU 



Pantopoda, alias Pycnogonida, 

 sea-spiders, 3 



Panulirus, author of, 197 ; penicil- 

 latus, 35, 197 



Paracrangon, second trunk-legs 

 obsolete in, 225 



Paracyclois,124 ; Milne-Edwardsii, 

 125 



Paradoxides, genus of Trilobites, 

 27 



Paralamprops, 295 ; serrato-cos- 

 tata, 309 



Paralomis, 154 



Pai-amunna bilobata, 380 



Paranephrops, planifrons, zealan- 

 dicus, 210 



Paranthura, 332 ; Costana, nigro- 

 punctata, 333 



Parapaguridffi defined, 166 



Parapagurus, 166 ; pilosimanus, 

 bathymetrical range of, 167 ; as- 

 sociates of, 168 



Parapasiphae, 252 



Parapseudes latifrons, 320 



Parasites 12, 17, 109, 128, 351, 

 353, 392 



Parasfacidse defined, 209 



Parastacus, 209 



Paratanais, 323 ; Batei, forcipatus, 

 rigidus, 327 ; linearis, 328 



Paratelphusa, 77 



Parathanas, dccorticus, immatu- 

 rus, 233 



Paratya compressa, 241 



Paratymolidge defined by Haswell, 

 139 



Paratymolus, 139 



Paraxius, 188 



Parerythrops, 267 ; obesus, 275 



Pariarabus typicus, amphipod of 

 tribe Caprellidea, 22 



Parthenope horrida, 121 



Parthenopidas defined, 120 



Parthenopinea defined, 120 



Pasiphae, synonym of Pasiphsea, 

 245 ; princeps, 28 



Pasiphsea, Savigny's account of, 

 251 ; crisfata, sivado, 251 ; prin- 

 ceps, tarda, 252 



Pasiphasidie defined, 251 



Paulson, , description of thely- 



