S6o 



INDEX 



Pedipalpi (appendages), 263, 303, 309, 

 321, 422, 426, 433, 440, 458 



Pedunculata, S4 



Pelagic Crustacea, marine, 202 ; lacus- 

 trine, 207 



Pelops, 467 



Peltiidae, 6^ 



Peltoffaster, 95 ; structure, 95 ; males, 99 ; 

 castration caused by, 100 ; P. curvatus, 

 castration caused by, 100 ; P. sulcatus, 95 



Peltura, 2Jf/ 



Peneidae, 162 



Peneidea, 158, 162; metamorphosis, 159 



Penella sagitta, 74 



Peneus, 158, 162 ; metamorphosis, 159, 

 159, 160, 161 



Pentanymphon, 504, 537 



Pentaspidae, S7 



Pentastoma, 488 n. ; P. denticulatum, 

 489, 494 ; P. emarginatum, 489 ; P. 

 serratum, 489 



Pentastomrda, 25S, 4^8 f. ; structure, 

 489 ; habitat, 488 ; life-history, 488, 

 493 ; hosts of, 496, 497 



Pephredo hirsuta, 5S5, 541 



Peracantha, 43, 53 ; alimentary caual, 43 



Peracarida, 114, IIS 



Pereiopod, defined, 110 ; reduced hind, 

 in Galatheidea, 168 ; in Hippidea, 

 170 ; in Paguridea, 172 ; in Dromiacea, 

 184 ; in Oxystomata, 185 



Periego2Js hirsufus, 303 



•Peroderma cylindricnm, 75 



Petrarca bathyactidis, 93 



Pettalus, 44s 



Pezomachus gracilis, jiarasitic in cocoons 

 of Spiders, 367 



Phacopidae, 249 



Phacopiui, 243 



Plmcops, 223, 232, 235, 24O ; P. latifrons, 

 227 ; P. sternbergi, 248 



Phacocedus braccatus, 397 



Phagocytes, in Danalia, 132 



Phalangidea, 25S, 44O f. ; habits, 441 ; ex- 

 ternal sti'uctnre, 442 ; internal structure, 

 444 ; nervous system, 446 ; classifica- 

 tion, 447 ; British species, 453 



Phalaugiidae, ^^9 



Phalangiinae, 4^0 



Phcdangium., 444, 450, 526 ; mouth-parts, 

 443 ; P. bcdaenarum, 502 ; P. cornutum, 

 450 ; P. littorale, 501 ; P. opilio, 445. 

 446, 450, 526 



Phcdangodes, 449 ; P. armata, 449 ; P. 

 terricola, 449 



Phalangodidae, 44^ 



Phanodemus, 535 



Phidippris, 421 ; P. morsitans, 365, 421 



Philichthyidae, 73 



Phllichthys, 73 ; P. xlphiae, 73 11. 

 PhiUipsia, 251 ; P. gemmulifera, 250 

 Philodrominae, 4^^ 



Philodromus, 413 ; P. aureolus, 413 ; P. 



margaritatus, 413 

 Philoscia muscorum, 129 

 Pholcidae, 336, 4OI 

 Pholcus, 320, 401 ; P- ^^^«/a«5'?'oi'rfes, 



401 

 Phoroncidia, 404 ', P- 7 -aculeata, 318 

 Phoroncidiinae, 317, 404 

 Phosphorescence, of Copepoda, 59 ; rela- 

 tion to eyes in deep-sea Crustacea, 150, 



151 

 Phosphorescent organs, of Euphausiidae, 



145 ; of Stylocheiron mastigophorum, 



151 

 Phoxichilidae, 539 

 Phoxichilidiidae, 538 

 Phoxichilidium, 506, 512, 520, 521 n., 



523, 525, 538 ; P. angidatum, 520 ; P. 



exiguum, 541 ; P. femoratum, 508, 524, 



538, 540 ; P. globosum, 540 ; P. mollis- 

 simum, 517 ; P. olivaceimi, 540 



Phoxichilus, 505, 512, 539 ; P. austral is, 



539, 540 ; P. bohmii, 539 ; P. charyb- 

 ilaeits, 514, 515, 539 ; P. laevis, 537, 

 539, 541 ; P. meridionalis, 539 ; P. 

 mollis, 539 ; P. proboscideus, 532 ; P. 

 2)rocerus, 539 ; P. spinosits, 505, 508, 

 510, 537, 539, 541, 542 ; P. vidgaris, 

 539 



Phreatoicidae, 136 ; distribution, 211, 



217 

 Phreatoicidea, 136 



Phreatoicopsis, 136 ; distribution, 211 

 Phreatoicus, 136; distribution, 210, 211, 



217 ; P. assirnilis, haliitat, 210 : P. 



typicits, habitat, 210 

 Phronima, I4O ; P. sedentaria, 140 

 Phrynarachne, 414 J P- decipiens, 374, 



414 

 Phrynichinae, SIS 

 J'hrynichus, 313 

 Phrynidae, 309, 310, 312 

 Phrynopsis, 313 

 Phrymis, 312 

 Phryxidae, 130 

 Phyllocarida, 111, 242 

 Phyllocoptes, 465 

 Phyllopoda, 19 f. ; appendages, 24 f. ; 



alimentary caual, 29 ; vascular system, 



29 ; nei-vous system, 30 ; reproductive 



organs, 31 ; habitat, 32 ; genera. 35 

 Phyllosoma, larva, oi Palinur us, 166 

 Phytoptidae, 464 



Phytoptus, 464 n., 495 ( = Eriophyes, q.r.) 

 Pickard-Cambridge, F., 352 

 Piekard-Cambridge, O., 318, 321 n., 323 n., 



359 n., 372, 374, 380, 385, 401 n., 



436, 438, 450, 451, 452 

 Pillai, 375 

 Pilumnus, 191 

 Pinnotheres pisuvi, 195 

 Pinuotheridae, 195 



