INDEX 



559 



Polycyttaria, 6 



Polydesmida, 43S 



Polydesmus complanatus, anterior body, 



452 ; larva, 503 

 Polygordius, 181 

 Polymnia, 1S3 

 Polymorphism (Insecta), 490 

 Polynai, 1S2 

 Polyophthalmus, 181 

 Polyplmmis, 290 

 Polystomum, 13 If 

 Polythalamia^ 16 

 Polyxenidie, 43S 

 Polyzoa, 134 

 Polyzonidcr, 438 

 Pontdbdella, 181 

 Pontonia, 39S 

 Porcellanidce, 299 

 PorcelHo, 295 

 Pm-ifera, 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 

 Prdboscidea, 139, 157 

 Proctodeum, 269 

 Proetus, 415 

 Proglottides, 164 

 Proinesostoma, 157 

 Pronucleus, 32 

 Prorhynchus, 134 

 Prosopygia, 182 



Prosthiostomum, 133 ; pharyngeal appar- 

 atus, 139 

 Protamceia, 4 

 Protdla, 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 

 Protracheaia, 427-437 

 Protula, 182 

 Provortex, 167 

 Proxenetes, 156 

 Psammoryotes, 181 

 Pselaphidce, 44^ 



Pseudocalanus elongatus, 2d antennae, 310 

 Pseudoceridce, 150 



Pseudoneurnptera, 443 



Pseudophana, 441 



Pseudop}odia, 4, 14 



Pseudoscorpionidce, 509 



Psocidce, 440 



Psychidm, 44^ 



Psygmdbranchus, 280 



Psyllidm, 440 



Psyllopsisfraxinicola, enteric canal, 463 



Pterol/ranchia, 183 



Pteromalidcc, 44^ 



Pteropihoridce, 44'^ 



Pterygota, 439 



Pterygotus, 416 



„ osiliensis, 416 



Pulex, 441 

 Pupipara, 443 

 Pycnogonidce, 4'2^ 

 Pygidlum, 414 

 PyralidcB, 44^ 

 Pyrrhoooris, 440 ; mouth parts, 451 



QuADBULA, 4 



,, symmetrica, 3 



Eadiolaria, 6 



Ranatra, 440 



Raphidia, 441 



Eathke's organ, 342 



Redia, 169 



Reduviis, 440 



Reniera, 61 



Reticulum, 151 



Betinacula, 200 



Retinophorai, 471 



Retitelaria, 510 



Rhabdites, 138 



Rhabditis nigrovenosa, 178 



Rhahdocoilidm, 133 



Rhabdom, 354 



Rhabdomere, 470 



Rhahdopleura, 184 



Rhachis, 414 



Rhipiphoridce, 441 



RMzocephala, 292 



Rhizophysa, 70 



Rhizopoda, 4 



Rhizostomce, 72 



Rhodalia, 70 



Rhopalia, 71, 95, 96 



Rhopalocera, 44^ 



Rhopoloneina velattim, 69 ; tentacles, 95 



Rhopalura, 68 



,, Giardii, 59 



Rhynchelmis, 181 

 Rhynchobdellidce, 181 

 RhyncJioccela, 178 

 Rhynchodasum, 197 

 Rhynchonella, 185 



,, psittacea, 191 



Rhynchota, 440 

 Rhyndwthorax, 424 

 Rotalia, 4 



