326 



ANIMAL LIFE 



Pharynx, 71. 



Phlegethontius Carolina, larva of 



(illus.), 215. 

 Phrynosoma Nainvillei (illus.), 



131. 



Phyllium (illus.), 210. 

 Phyllopteryx (illus.), 212. 

 Physalia (illus.), 175. 

 Physiology, 64. 

 Physoptora (illus.), 47. 

 Pocket-gopher, nest of (illus.). 271. 

 Pointer dog (illus.), 256. 

 Polistes, parasitized by Stylops 



(illus.), 192. 

 Polygamy, 59. 

 Polymorphism, 42. 

 Polyps, 37. 



Polystomella strigillata (illus.), 17. 

 Porcupine-fish (illus.). 134. 

 Post-embryonic development, 80. 

 Pigeon horn-tail (illus.), 191. 

 Pipe-fish (illus.), 212. 

 Planaria, alimentary canal of 



(illus.), 70. 

 Plankton, 304. 

 Plants, difference between animals 



and, 111. 



Platophrys lunatus (illus.), 100. 

 Play, instincts of, 247. 

 Pluteus, 96. 

 Praecocial, 140. 



Prawn, adult and larva (illus.), 195. 

 Praying-horse (illus.), 127. 

 Pressure, a condition of animal 



life, 109. 



Primitive form, 20. 

 Primitive life, 21. 

 Prionus, larva of (illus.), 146. 

 Processes, life, 21. 

 Promethea moth (illus.), 231. 

 Prophysema primordiale (illus.), 



34. 



Protective resemblance, 201. 



Protoplasm, 3 ; chemical constitu- 

 tion of, 4 ; physical constitution 

 of, 4. 



Protozoa, 1 ; colonial, 24 ; marine, 

 15. 



Psaltriparus minimus, nest of 

 (illus.), 270. 



Pseudopod, 5. 



Pterophryne histrio in Sargassum 

 (illus.), 208. 



Pupa, 93. 



Puss moth, larva of (illus.), 216. 



Quiescence, degeneration through, 

 193. 



Rabbit, embryonic stages of (illus.), 

 87. 



Radiolaria, 16. 



Radiolaria-ooze, 19. 



Raja binoculata (illus.), 140. 



Realm, Arctic, 297; Australian, 

 303; Indo-African, 301; Lemu- 

 rian, 302 ; Neotropical, 301 ; 

 North Temperate, 299 ; of ani- 

 mal life, 297 ; Patagonian, 302 ; 

 South American, 301. 



Realms, subordinate, 303. 



Reason, 251. 



Recognition marks, 22, 129. 223. 



Rectum, 68. 



Reflex action, 241. 



Remora (illus.), 173. 



Remora remora (illus.), 125. 



Reproduction, 9, 50; instincts of, 

 249. 



Reproductive cells, 28, 55. 



Resemblance, aggressive. 202; gen- 

 eral protective, 202 ; protective, 

 201 ; special protective, 207 ; va- 

 riable protective, 204. 



