INDEX 



559 



Polycyttaria, 6 



Polydesmidce, 438 



Polydesmus complanatus, anterior body, 

 452 ; larva, 503 



Polygordius, 181 



Polymnia, 182 



Polymorphism (Insecta), 490 



Polynce, 182 



Polyophthalmus, 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 



,, mcenadis, embryo, 379 

 ,, Megalopa, larva, 396 



Pranizidce, 295 



Pray a, 70 



galea, 111, 113 



Priapulidce, 183 



Proboscidea, 139, 157 



Proctodaeiim, 269 



Proetus, 415 



Proglottides, 164 



Promesostoma, 157 



Pronucleus, 32 



Prorhynchus, 134 



Prosopygia, 182 



Prosthiostomum, 133 ; pharyngeal appar- 

 atus, 139 



Protamceba, 4 



Protella, 296 



Proteolepadidce, 292 



Prothorax, 444 



Protista, 4 



Proto, 296 



Protodrilus, 181 



Protomerit, 9, 16 



Protomyxa, 4 



Protoplasm, 1 



Protopodite, 307 



Protospongia, 8 



,, Haeckelii, 8 



Protozoa, 4-23 



Protozocea larva, 390, 391, 392 



Protracheata, 427-437 



Protula, 182 



Provortex, 157 



Proxenetes, 156 



Psammoryctes, 181 



Pselaphidce, 442 



Pseudocalanus elongatus, 2d antennae, 310 



Pseudoceridce, 150 



Pseudoneuroptera, 44$ 



Pseudophana, 441 



Pseudopodia, 4, 14 



Pseudoscorpionidce, 509 



Psocidce, 440 



Psychidoe, 442 



Psygmobranchus, 280 



Psyllidce, 440 



Psyllopsisfraxinicola, enteric canal, 463 



Pterobranchia, 183 



Pteromalidce, 442 



Pterophoridce, 442 



Pterygota, 439 



Pterygotus, 416 



,, osiliensis, 416 



Pulex, 441 

 Pupipara, 44$ 

 Pycnogonidce, 422 

 Pygidium, 414 

 Pyralidce, 44% 

 Pyrrhocoris, 440 ; mouth parts, 451 



QUADRULA, 4 



,, symmetrica, 3 



RADIOLARIA, 6 



Ranatra, 440 



Raphidia, 441 



Rathke's organ, 342 



Redia, 169 



Reduviis, 440 



Reniera, 61 



Reticulum, 151 



Retinacula, 200 



Retinophorae, 471 



Retitelaria, 510 



Rhabdites, 138 



Rhabditis nigrovenosa, 178 



Rhabdocoelidce, 133 



Rhabdom, 354 



Rhabdomere, 470 



Rhabdopleura, 184 



Rhachis, 414 



Rhipiphoridoe, 441 



Rhizocephala, 292 



Rhizophysa, 70 



Rhizopoda, 4 



Rhizostomce, 72 



Rhodalia, 70 



Rhopalia, 71, 95, 96 



Rhopalocera, 44% 



Rhopalonema velatum, 69 ; tentacles, 95 



Rhopalura, 58 



,, Giardii, 59 



Rhynchelmis, 181 

 Rhynchobdellidce, 181 

 Rhynchocoela, 178 

 Rhynchodaeum, 197 

 Rhynchonella, 185 



,, psittacea, 191 



Rhynchota, 440 

 Rhynclwthorax, 424 

 Rotalia, 4 



