INDEX 



Polycyttaria, 6 



PolydesmidcK, 438 



Polydesmus complanatits, anterior body, 

 452 ; larva, 503 



Polytjordius, 1S1 



Polymnifi, 1S2 



Polymorphism (Insecta), 490 



Poly UK, 182 



Polyophiluilinus, 181 



Polyphemus, 290 



Polystomum, 134 



Polythalamia, 16 



Polyxenidce, 438 



Polyzoa, 134 



Polyzonidce, 438 



Pontobdella, 181 



Pontonia, 298 



Porcellanidce, 299 



Porcellio, 295 



Porifera, 60-66 



Porpalia, 70 



,, prunella, 114 



Porpita, 70 



Portunus, 300, 378 



mccnadis, embryo, 379 

 ,, Megalopa, larva, 396 



Pranizidce, 295 



Pray a, 70 



,, galea, 111, 113 



Priapulidm, 183 



Proboscidea, 139, 157 



Proctodseum, 269 



Proetus, 415 



Proglottides, 164 



Proi/iesostoma, 157 



Pronucleus, 32 



Prorhynchus, 134 



Prosopygia, 182 



Prosthiostomum, 133 ; pharyngeal appar- 

 atus, 139 



Protamosba, 4 



Protella, 296 



Proteolepadidce, 292 



Prothorax, 444 



Protista, 4 



Proto, 296 



Protodrilus, 181 



Protomerit, 9, 16 



Protomyxa, 4 



Protoplasm, 1 



Protopodite, 307 



Protos2)onyia, 8 



,, Haeckelii, 8 



Protozoa, 4-23 



Protozocea larva, 390, 391, 392 



Protracheata, 427-437 



Protula, 1S2 



Provortex, 157 



Proxenetes, 156 



Psammoryctes, 181 



Psdo.phidcK, 443 



Pseudocalanus elonyatus, 2d anteuua?, 310 



Pseudocerida:, 150 



Pseudoneuroptera, 443 



Pseudo2)hana, 441 



Pseudopodia, 4, 14 



Pseudoscorpionidix, 509 



Psocidw, 440 



Psychidfl, 442 



Psygmobranchus, 280 



Psyllidce, 440 



Psyllopsis fraxinicola, enteric canal, 463 



Pterobranchia, 183 



Pteromalidce, 442 



Ptero2)horidce, 442 



Pterygota, 439 



Pteryyotus, 416 



,, osiliensis, 416 



Pulex, 441 

 Pupipara, 443 

 Pycnogonidce, 4-'2 

 Pygidium, 414 

 Pyralidce, 442 

 Pyrrhocoris, 440 ; mouth parts, 451 



QUADRVLA, 4 



,, symmetrica, 3 



EADIOLARIA, 6 



Ranatra, 440 

 Raphidia, 441 

 Rathke's organ, 342 

 Redia, 169 

 Reduviis, 440 

 Reniera, 61 

 Reticulum, 151 

 Retinacula, 200 

 Retinophora, 471 

 Retitelaria, 510 

 Rliabdites, 138 

 Rhabditis nigrovenosa, 17S 

 Rhabdoccclidu!, 133 

 Rhabdom, 354 

 Rhabdomere, 470 

 RhaJjdoplcura, 184 

 Rhachis, 414 

 Rhipiphortdce, 44i 

 RhizocepJiala, 292 

 Rhizophysa, 70 

 Rhizopoda, 4 



, 70 



Rhopalia, 71, 95, 96 



',-i;i, 442 



ii'iii'i rdatum, 69 ; tentacles, 95 

 Rhopalura, 58 



,, (,'ii'i-dii, 59 



Rhi/nchelmis, 181 

 Rhynchobdellidce, 181 

 Hh;iii<:li<n-<i-l,t, 178 

 Rhynchodseum, 197 

 Rhynchonella, 185 



,, /ixittacea, 191 



, 440 



i-i_!S, 424 

 ia, 4 



