INDEX 



547 



Physiology, 12 

 Pigeon, 454-470 



J'igs, 519, 531 



Pinna, 488 



Pinnipedia, 534 



Pipe-fish, 401 



Pkces, 364 et seq. 



Placenta, of Rabbit, 515 



Placophora, 282 



Plankton, 12 



Flanorbulina, 25 



Plant-lice, 240 



Planula, 100, ill 



Platyhelminthes, 129 et seq. 



Pleopod, 215 



Pleuronectes cynoghssus, 395 



Pleurophyllidia, 291 



Plumatella, 183 



Pneumatophore, 105 



Podaxonia, 184 



Podomere, 215 



Podopkrya,) 51 



Poison apparatus, of Rattlesnake, 



452 



Poison gland, of the Duck Bill, 521 

 Polychaeta, 199 

 Polykrikos, 40 

 Polyaca, 39 



Polypes, 91, 92, 102, 115 

 J'olyptews bichir, 396 

 Palyzoa, 181-184 

 Pore-membrane, 8 1 

 Porifera, 76-90 : Example, 76 

 Porpoises, 519 

 Portuguese Man-of-War, 105 

 Poterion, 83 

 Prawns, 229 

 Prepuce, 514 

 Primates, 520, 536 

 Prorocentruni, 40 

 Pro rod on, 49 

 Prosimii, 536 

 Prosopyles, 8 1 

 Prostate gland, 513 

 Prostomium, 189 

 Proterospongia, 39 

 Proteus, 430 

 ProtobrancMa, 278 

 Protomerite, 58 



Protoplasm, in Amoeba, 16 

 Protopodite, 215 

 Protopterus, 402 

 Prototheria, 320, 518, 519 

 Protozoa, 19, 67, 75, 130 

 Psamnioclema, 83 

 Pseudopods, 15, 18 

 Pteropoda, 288, 291 

 Pterygoid, 493 

 Pubis See Pelvic arch 

 Puffinus, 453 

 Pulmonata, 289 

 Pygopiis lepidop-ns, 434 

 Pythons, 432, 451, 453 

 Pyxicola, 53 



Q 



uadmla symmetrical 20 



R 



BABBIT, 327 et sey,, 487 et seq. 

 Radial canals, of Sponges, 79 ; of 



Medusae, 97, no 

 Eadiolaria, 30-34 

 RANA, 405-429 

 Raphidiophrys, 29 

 Ratitae, 479 

 Rats, 519 

 Red coral, 118 

 Reindeer, 531 



Reproductive system, 72, 308 

 Respiratory organs, Metazoa, 70 

 Respiratory tube, of Petromyzon, 



36i 



Rhabdoplewa, 313 

 Rhinoceros, 519, 532 

 Rhipidodendron, 37 

 Rhizopoda, 19 

 Rhizostomce, 113 

 Rhynchocephalia, 432 

 Rhyncheta, 51 

 Rocks, stratified, 10 

 Rodentia, 519, 534. 

 Rot alia, 22 

 Rotifera, 178-181 

 Ruminants, 519 



N N 2 



