INDEX 



559 



<>rif/i;/ia coccinea, 524, 540 



Ornithodoros, J$9 : 0. mer/nini, 469 ; 0. 



iifiiiljata, 469 ; 0. talaje, 469 ; 0. (uri- 



cata, 469 



Ornithoscatoides, 374 

 Orometopus, 226, 245 ', 0. elatifrons, 230 

 Ortmann, on Brachyura, 181 u. ; on bipo- 



larity, 200 ; on crayfishes, 213 ; on Pyc- 



nogons, 513 n. 

 Ostracoda, 107 ; pelagic, 202 

 Oudemans, 528 n. 

 Ovary, of Cladocera, 44, 45 ; of Dftnalia, 



132 ; of Spiders, 332 

 Oxynaspis, 88 



(>,'-ii<>l><'s, 419 ; 0. lineata, 419 

 Oxyopidae, J^W 

 Oxyptila, 412 

 Oxyrhyncha, 191 f. ; habits, 192 ; enemies, 



192'; habitat, 198 

 Oxystomata, 185 f. ; respiration, 186, 187 



Pachycheles, 170 ; P. panamensis, distri- 

 bution, 202 

 Pachygnatha, 407 ; P. derckii, 407 ; P. 



degeerii, 407 ; P. listen, 407 

 Pachygrapsus, 196 ; P. marmoratus, 193, 



194, 196 



Pachylasma giganteum, 91 

 Pachylomemu, 388 

 Pachysoma, 69 

 Paguridae, 180 ; eyes of deep-sea, 149, 



150 



Paguridea, 171 

 Paguriuae, ISO 

 Palaemon, 164 '> excretory glands, 13 ; 



fresh-water, 212 ; P. serratus, 158, 164 ; 



Bopyrus parasitic on, 133 

 Palaemonet.es, 164 '> P- antrorum, habitat, 



210 ; P. varians, 161 ; distribution, 212 

 Palaemonidae, 159, 164 

 Palaeocaris, 115, 118 

 Palaeoplwnus, 294, 298 

 Palamnaeus, 307 ; P. swammerdami, 



tarsus, 304 

 Palinuridae, 167 

 Palinurus, 165, 167 ; habitat, 198, 202 ; 



P. elephas, 167 ; P. quadricornis, em- 

 bryo, 165 

 Pallene, 505. 537 ; P. attenuate 541 ; P. 



brevirustris, 510, 524. 537, 541, 542; 

 ' P. dimorpha, 538 ; P. emaciata, 541 ; 



P. empusa, 541 ; P. yrubii, 538 ; P. 



languida, 537 ; P. loiigiceps, 538 ; P. 



novaezealandiae, 537; P. producta, "ill!: 



P. pygmaea, 537, 541 ; P. spectrum, 



542 ; P. spinosa, 537 

 Pallenidae, 537 

 I','//,'nopsis, 506, 511 ; P. holti, 542 ; P. 



tritonis, 5 1 2 

 Palp, of Pycnogons, 507 

 Palpal organ, 322, 378 

 Palpebral lobe, 227 



Palpigradi, 25S, 42^ 



Palpimanidae, 323, 325, 398 



Palpimamis, 398 



Panamomops diceros, 405 



Pandalidae, 164 



I'liiulaliis, 164', P- annulicomis, 164 



Pandinus, 307 



I'uni'jilii.i-, 195 



Pantopoda, 501 n. ( = Pycnogonida, q.v. ) 



I'd iiulirus, 165, 167 



1'in-fi.lolina, 232, 247 



I'arabolinelh/. :.','/" 



i'<n-iif,nthiis, 298 ; P. capensis, 298, 299 



Paradoxides, 222, 232, 236, 2J{1 ; P. 



bohemints, 246 

 Paragaleodes, 4%9 

 Paralomis, 179, 181 

 Paranaspides, 117 ; P. laa/stris, 117 ; 



distribution, 210; habitat, 210 

 Paranebalia, 242 



J'aranephrops, 157 ; distribution, 213 

 Paranthura, 124 



Parantipathes, Synagoga parasitic on, 94 

 Paranymphon, 507 ; P. spinosum, 542 

 Parapagurus, ISO 

 Parapallene, 537 



Parapenms, 162 : P. rectacuhis, 159 

 Parapylocheles scorpio, eyes, 149 

 Parasiro, 448 ; P. corsicus, 448 

 Parasites, in Tardigrada, 484 

 Parasitic castration, 100, 136 

 Parastacidae, 157 ; distribution, 213 

 Parastacus, 157 ; distribution, 213 

 Paratropidinae, 387 

 1'rt.rat fLiix xcrupea, 387 

 Parazetes auchenicus, 533 

 Pardosa, 417 ; female carrying young, 



341 ; P. amentata, 417, 418 ; P. lugu- 



bris, 418 



Pariboea sjnnipalpis, 534 

 Parthenogenesis, in Phyllopoda, 32 ; in 



Cladocera, 44, 46, 49 j in Ostracoda, 108 

 Partfienope, 193 ; P, investigatoris, 192 

 Parthenopidae, 193 

 Pasiphaea, 163 

 Pasiphaeidae, 163 

 Pasithoe, 532 ; P. uvibonata, 535 ; P. 



vestculosa, 535, 541 

 Pasithoidae, 532 

 Patten, 270, 271, 277 

 Patten and Redenbangh, on Limulus, 266, 



270, 272 



Paturon, 319, 320 

 Peckhiim, 376, 377, 378, 381, 382 

 Pecten, 328 

 Pectines, of Scorpions, 302, 302 ; function 



of, 299 ; of Glytoscor2rins, 294 

 Pedicle, 317 

 Pedipalpi, 258, 308 ; habits, 309 ; external 



structure, 309 ; legs, 309 ; internal 



structure, 310 ; alimentary canal, 310 ; 



nervous system, 311 ; classification, 312 



