496 



INDEX 



Perisarc 160 



Peristalsis, Rana 40, 51, Lumbricus 



175 



Peristomium 171 



Peritoneum 20 



Perradii 164 



Peyer's patches 304 



Phagocytes 69, Phagocytosis 69 



Pharynx, Rana 16, Lumbricus 173 



Phase contraction 368 



Photo-synthesis 113 



Physiology i, 4, chemical 3, experi- 

 mental 3 



Pia mater, Rana 76, Scyllium 251, 

 Lepus 327 



Pinnae 267 



Pit, primitive 401, auditory 432, 433 



Pituitary body, Rana 104, Lepus 325 



Placenta 268, 323, 438, deciduate 

 441, omphalopleural 438, yolk-sac 



438 



Placoid scales 212 



Planula 168 



Plasma, Rana 21, Scyllium 207 



Plasmodium 140 



Plastids 361 



Plastin 363, Monocystis 136 



Plate, Auditory 432 ; Basal 212 

 Brain 406 ; Cutis 423 ; End 42 

 Equatorial 364, Paramcecium 130 

 Hyoid 1 6 ; Lateral, Amphioxus 

 384, Rana 395, Chick 404 ; Me- 

 dullary, Scyllium 206, Amphioxus 

 381, Rana 391, Chick 402 ; Muscle 

 423 ; Neural 381 ; Oral 421 ; 

 Polar 129 ; Segmental 395 ; Ver- 

 tebral 404 



Plesiosauria 475, 476 



Pleura 307 



Plexus 89, cardiac 89, solar 89 



Pliohippus 454 



Plug, yolk 388 



Polar body 373, Plasmodium 143, 

 Hydra 157 



Polymorphism 161 



Polyp 1 60, 165 



Pores, dorsal 172, neural 381, ovi- 

 ducal 173, spermathecal 173, sper- 

 miducal 172 



Portal system 65 



Post-axial, Rana 31, Lepus 290 



Posterior 14 



Post-septal 178 



Pouches, branchial 421, cesophageal 

 173, visceral 421 



Pre-axial, Rana 31, Lepus 290 



Pre-molars 267, 280 



Prepuce 270, 322 



Pre-septal portion of nephridium 178 



Pro-amnion 401 



Process, external nasal 433, fronto- 



nasal 433, head 402, notochordal 



402 



Proctodceum 382 

 Proglottids 195 

 Pronation 290 

 Pronephros, Scyllium 245, Lepus 320, 



Chick 425 

 Pro-nuclei, male and female 374, 



Rana 105 

 Prophase 363, 364 

 Proscolex 199 

 Prostomium 171 

 Proteins 9 

 Protista 109 

 Protohippus 454 

 Protoplasm 8, 108 

 Protozoa n, 116, parasitic 135 

 Proventriculus 173 

 Proximate principles 53 

 Pseudobranch 210 

 Pseudonavicella 137 

 Pseudop6dia 119 

 Psychology, experimental 3 

 Pterodactyla 481 

 Pterygiophores 225 

 Ptyalin 54 

 Pulmonary 58 

 Punnet, Professor 461 

 Pupil 14, 94 

 Pure line 469, 470 

 Pyloric sphincter, Scyllium 229, Lepus 



34 



Pylorus 304, Rana 18, 46, 51, Scyllium 

 229 



Rabbit 266 



Radial symmetry 150 



Rana, development of 385, R. escu- 



lenta 12, 56 

 Ray, John 444 

 Recapitulation theory 448 

 Receptaculum ovorum 184 

 Rectum, Rana 18, 51, Lepus 305 

 Reflex Arc, Rana 90, Lumbricus 188 

 Regeneration, Hydra 157 

 Region, myotomal 395 

 Renal portal system 65 

 Rennin 54 

 Reproduction 7, asexual 124, of 



Hydra 156 

 Reptilia, geological history of 472, 



473 



Reserve material 123 



Respiration 6, 23, buccal 58, 

 cutaneous 58, pharyngeal 58 



Respiratory system, Rana 56, Scyl- 

 lium 233, Lepus 306 



