746 



Postzygapophyses, 523, 569 



Potamogalidae, 672 



Prairie-dog, or -marmot, 705 



Prawn, 219 



Pre-axial, 521 



Precoracoid, 532 



Predentary bone, 549 



Prefrontal, 532, 574 



Pregnancy, 664 



Premandibular cavity, 437 



Premaxilla, 509, 616 



Prepotency, 9 



Presphenoid, 616 



Presternum, 650 

 . Prezygapophyses, 523, 569 



Primaries, 608, 610 



Primates, 710, 725 



Prismatic layer, 299 



Pristis, 470, 512 



Proboscideae, 684, 722 



Proboscis, 113, 245, 387 



Proboscis-pore, 386; sheath, 113 



Procavia, 684, 685, 722 



Procellaria, 634 



Procellariiformes, 634 



Procoelous, 523 



Proctodaeum, 69, 136, 137, 193 



Procyon, 677, 721 



Procyonidae, 677, 721 



Proglottis, 106 



Progoneata, 228, 280 



Pronation, 522 



Pronephros, 440 



Prong-buck, 694, 697 



Pro-otic, 476, 531 



Propodite, 181 



Propterygium, 460 



Prosobranchiata, 295, 296, 297 



Prosoma, 259, 261, 283 



Prosopyle, 89 



Prostate glands, 321 



Prostomium, 141, 168 



Protective coloration, 676 



Proteidae, 561 



Proteids, 3; composition of, 4 



Proteus, 543, 561 



Proteus animalcule, 15 



Pro-thorax, 236 



Protobranchiata, 324 



Protonemertini, 117 



Protoplasm, 3, 4, 5, 6, 15, 17, 18 



Protopodite, 209 



Protopterus, 506, 507, 509, 512, 518 



Protospondyli, 473, 498, 516 



Prototheria, 656, 717 



Protrotracheata, 175, 225, 279 



Protozoa, 13, 14, 15; in infusions, 19; 



classification of, 46 

 Protractor muscles, 301 

 Proventriculus, 625 

 Psalterium, 693 

 Psephurus, 517 



INDEX 



Psetta, 515 



Psettodes, 494, 515 



Pseudobranch, 458, 506 



Pseudopodia, 17, 22, 27, 29, 31, 55 



Psittacus, 635 



Pterocles, 635 



Pteropidae, 708 



Pteropus, 706, 708 



Pterosauria, 604 



Pterotic, 476 



Pterotrachea, 292, 293 



Pterygiophores, 453 



Pterygoid bone, 509, 531, 617, 629 



Pterygoid process, 530, 531 



Pterylae, 607 



Ptyalin, 656 



Pubis, 652 



Puffin, 634 



Pulex, 258, 282 



Pulmocutaneous arch, 552 



Pulmonary arch, 537, 621 



Pulmonary veins, 535 



Pulmonata, 324 



Puma, 676 



Pupa, 249 



Putorius, 677 



Pygal plate, 591 



Pygostyle, 613 



Pyloric-caeca, 330; -sac, 330; -sphinc- 



vQYy 4^o 



Pylorus, 428 

 Pyrosoma, 412 

 Python, 588 



Quadrate bone, 477, 617, 618 



6 a i7 ra 618 U8al b ne> 549 ' 575 ' ^ 16 ' 

 Quagga, 690 



Eabbit, 646, 651, 665, 70] 702 



Eabbit-fish, 472 



Kaccoon, 677 



Eadial canals, 60, 369 



Radial nerve-cords, 336 



Eadial perihaemal canals, 336 



Eadial water-vessel, 333 



Eadiale, 521 



Eadialia, 460 



Eadials, 363 



Eadii, 326 



Eadiolaria, 26, 27, 31, 46 

 Eadiolarian ooze, 27 

 Eadius, 521 

 Eadula, 289 

 Eadula-sac, 291 

 Raia, 469, 470, 512 

 Bail, 634 

 Eallus, 634 



Eami communicantes, 425 

 Eana, 545, 547, 548, 549, 550 551 

 557, 559, 560 



