INI) !; \ . 



897 



Protzia 851 '. 

 Proventriculus i>25. 

 Psalidopus 532-. 

 Psalis 666 ~. 

 Psammapilidium 34 2 . 

 Psammechinua 242-. 

 Psathyrocaris 531-'. 

 Psechrus 820 2 . 

 Psectra 704 2 . 

 Psclaphidae 728'. 

 Pselaphognatha 591. 

 Psen 769-'. 

 Psephenus 731 ] . 

 Pseudarchastor 189'. 

 Pseudarmadillo 487. 

 Pseudaster 189-. 

 Pseudechinus 242-. 

 Pseudione 491 -. 

 Pseudoboletia 242 2 . 

 Pseudocalanus 405'. 

 Pseudocentrotus 242-'. 

 Pseudodeobis 833. 

 Pseudocorystes 549. 

 Pseudocryptops 603'. 

 Pseudocucumis 268'-. 

 Pseudocxima 477. 

 Pseudocycnus 408-. 

 Pseudocy there 392. 

 Pseudodiastylis 476. 

 Pseudodidemnum 36 1 . 

 Pseudoglomeris 668 '. 

 Pseudoharpax 669'. 

 Pseudoloxoconcha 391. 

 Pseudolycaea 502 2 . 

 Pseudomantis 669 l . 

 Pseudomma 471 '-. 

 Pseudomyrma 772-'. 

 Pseudophilomedcs 390 

 Pseudophyllinae 673 -. 

 Pseudopods 741. 

 Pseudoscorpionida 833. 

 Pseudosperchon 850-'. 

 Pseudosquilla 511. 

 Pseudostichopus 266 



skin 2(i3. 

 Pseudostigmatic o 



846. 



Pseudothyas 850 2 . 

 Pseudovates 669 1 . 

 Pseudoziiis 548 2 . 

 Pseudulus 409 '. 

 Psila 750'-. 

 Psilaster 189 2 . 

 Psiloderees 821'. 

 Psilura 718 1 . 

 Psithynis 765. 

 Psocidae 677'. 

 Psoeoptera 677 '. 

 Psocus 077, 678'. 



Z III 



P-olidilim 269'. Sole of 



249. 



I'M. Ins 269'. oviposit ion 

 2K4. sole ,,C i?! 1 '. 



Psora lgc.-s 852'. 



Psorophora 744-. 



Psoroptos 852'. 



Psycho 716". 



'iodidae 745 1 . 



I'sv-cLropofrs 267-. IMI !\ 

 form ~2 Hi. genital open- 

 ing 2<>-. tonc-ranal 

 254. 



I'svi-lirostrcplies 267-. 



Psylla 698'. 



Ptci-alloptcs 852 2 . 



I'tcrastor 192', form of 

 body HiS. 



Pterocaris 533'. 



Pterochroza 673 -. 



Pterocunia 477. 



Pterodectes 852-. 



Pterolichus 852 2 . 



Pteronarcys 677 1 . 



Pteroiivssus 852-. 



Pterophaiius 854'. 



Pterophorus 720 1 . 



Ptero])tus 848 2 . 



Ptcrostiduis 726'. end 

 of body ti22. 



Pterostoma 715 '. 



Pterothysanus 718 1 . 



Pterygosquilla 511. 



Pterygostomial 514. 



Pterygotus 798. 



Ptilanthura 488 2 . 



Ptilinum 73!). 



Ptilonaster 205. 



Ptilophora 715 1 . 



Ptinidae 731 2 . 



Ptyehodei'a C,s. 72. 74. 

 77. 9(1. 102. neural 

 canal 72. nerve roots 

 73, proboseis pores 

 84. ventral canal of 

 proboscis 84. peripha- 

 ryngeal cavitie> s7. 

 niusdes 90. vascular 

 system !2. !3. 

 monads !4, U~>. ova !l."). 

 regeneration 101. 



Ptyelus 697-'. 



PuLf> ( inot hsl 7 ! 

 Pulex H(i2. 663. 

 Pullea 854 2 . 



of 



-N sacs scor- 

 pions SIM. 



Pulvillus (121. 7 HI. 

 Peel i pa I pi 808. 



Pupa of ( 'lionio-tc iiii,i- 

 i n!. ic ||((. of I 'irripe- 



dia I Hi. In.-ecta i;:: ( .i. 



liliera coarctata, ob- 



tecta (i.'il. 

 Pupal staL;e of Holothu- 



rians Kis. 

 Puparium 7 H. 

 Pupipara 752 J . 



PlIsS-llKith 7 I") 1 . 



I've lavella 38-. 



Pycnovonida 781. 



Pycnogonuin 784. 



Pycnopodia 192-. 



Pygaster 243 1 . ba>al> 

 219. 



Pygastrides 243'. 



Pygaulus 245 1 . 



P\'uiiliuin Trilobita 3l>2. 



Pygocephalus 359'. 



P\ ".oclmnl Balanoglos- 

 sida 79. 



Pygurns 245-. 



Pylocheles 539-. 



Pyloric gland of Tuni- 

 cata I t. 



Pyloric sac Asteroidsl76. 



Pyraemis 712 2 . 



Pyralis 720 '. 



Pyransta 720 1 . 



Pyretophorus 745''. 



Pyrgoma 425 2 . 



Pyrgomantis 669 1 . 



Pyrgomorpha 672'. 



Pyrina 245-. 



Pyrnus 822'. 



Pyrochroa 734-'. 



Pyrocypris 390'. 



Pyrophorus 732 J . jilio.-- 

 phofescence c>2'.i. 



Pyrosoma, cpicardiuni 

 of 15, absence of tad- 

 pole larva 1H. 40. 

 development 41. 42. 

 budding 43. 



Pyrrodioris 692-. 



Pytho 734 2 . 



Pythonaster 192 1 . 



Q..I.M.S. -guartcrlv 

 Journal of .Micro- 

 s 'opical Science. 



gua.lrella 548-'. 



( ( )uarlaxil 278. 



Quart ibraeb 27s. 



r. = recent. 



Racemose or.ua n Malano 

 ulossida 81. 



3 M 



