458 
PAC 
Pachygrapsus marmoraius, 94; 
parasite of, 407 
Packard, Dr, A.$.,on size of Phyl- 
locarida, 31 
Pactolus Boscii, a made-up species, 
i06, 107 
Paguridz defined, 159 
Pagurinea defined, 155 
Paguristes, 166 
Paguropsis, simply bent pleon of, 
169 
Pagurus, 159, 160; similimanus, 
160; Bernhardus, cuanensis, 
Dilwynii, fasciatus, ferrugineus, 
Forbesii, Hyndmanni, levis, 
Prideaux, striatus, tricarinatus, 
Thompsoni, ulidianus, 161; ar- 
rosor, megistus, 162; granu- 
latus, 163 
Palegyge, 410; affinis, Bonnieri, 
Borrei, de Mani, fluviatilis, 
Hoyli, 411 
Palemon, 246; carcinus, 28; Fa- 
bricii, heterochirus, jamaicensis, 
lar, Leachii, minans, serratus, 
squilla, varians, 247 
Palemonella, tenuipes, orientalis, 
247 
Palzmonetes, 
vulgaris, 248 
Palestine, isopods of, 376, 429 
Palinosytus, synonym of Jasus, 
Hiigelii, Lalandii, 196 
Palinurellus, gundlachi, 197; hy- 
bridica, 198 
Palinuridz defined, 195 
Palinurus, vulgaris, 27, 195; tu- 
midus, 27, 196 
‘Palp’ (endopodal joints), of 
the mandibles, 39; of the 
first maxille, 295, 316, 318; 
of the first maxillipeds, 336, 
340 
Palp, a/ias exopod, of the third 
maxillipeds, 192, 194 
Pandalide defined, 237 
Pandalopsis, 238 
Pandalus, annulicornis. breviros- 
tris, Montagui, narwal, 238 
exilipes, varians, 
Panopeus, Benedict and Rathbun . 
on the genus, 56 
A HISTORY OF RECENT CRUSTACEA 
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, 
Paralamprops, 
tata, 309 
Paralomis, 154 
Paramunna, bilobata, 380 
Paranephrops, planifrons, zealan- 
dicus, 210 
Paranthura, 332; Costana, nigro- 
punctata, 333 
Parapaguride defined, 166 
Parapagurus, 166; pilosimanus, 
bathymetrical range of, 167; as- 
sociates of, 168 
Parapasiphaé, 252 
Parapseudes latifrons, 320 
Parasites, 12, 17, 109, 128, 351, 
353, 392 
Parastacide defined, 209 
Parastacus, 209 
Paratanais, 323 ; Batei, forcipatus, 
rigidus, 327; linearis, 328 
Paratelphusa, 77 
Parathanas, decorticus, 
rus, 233 
Paratya compressa, 241 
Paratymoiidz defined by Haswell, 
139 
Paratymolus, 139 
Paraxius, 188 
Parerythrops, 267; obesus, 275 
Pariambus typicus, amphipod of 
tribe Caprellidea, 22 
Parthenope horrida, 121 
Parthenopidz defined, 120 
Parthenopinea defined, 120 
Pasiphaé, synonym of Pasiphza, 
245; princeps, 28 
Pasiphea, Savigny’s account of, 
251; cristata, sivado, 251; prin- 
ceps, tarda, 252 
Pasipheide defined, 251 
Paulson, O, description of thely- 
295; serrato-cos- 
immatu- 
