Vlll 



INDEX 



Paramoecium, choice of'food by, 389. 

 Parker, <;. II. Chemical sense of 

 vertebrates, 423, 437; 

 hearing in fishes, 424, 437. 

 Parrott, R. J. Habits of crickets, 399, 

 412. 

 •Pawlow, The Method of, 142. 



•theory of function of nervous sys- 

 tem, 362. 

 *Pearl, it. The brooding instinct, 266. 

 Pearse, A. S. Habits of Crustacea, 



390, 393. 

 Phillips, J. E. Bird migration, 427, 

 437. 

 *Phototaxis, in daphnia, 229; 

 its significance, 386. 

 Pictet, A. Hibernation of moth, 404, 



412. 

 Plate, L. Thinking horses, 437. 

 Plessner, 11. Reactions of the star- 

 fish, 390, 393. 

 *Polimanti, 0. Behavior of silkworm 

 moths. 289. 

 Popovivi-Baznosanu, A. Behavior of 



spiders, 406, 412. 

 Porcupine, behavior of, 429. 

 Protozoa, movements of, 390. 

 Przibram, H. Functions of antenna 



of lobster, 390, 393. 

 Przibram, K. Movements of protozoa, 

 390, 393. 

 *Pycraft on the infancy and courtship 

 of animals, 439. 

 Phototropism, literature on, 391. 



* O at, hearing in, 215. 

 1\ Pan, P. and N. The biology of 

 mantis, 399, 402, 412. 

 homing of wasps, 407. 412. 

 Revesz, G. Vision of night birds, 420, 



437. 

 Reese, A. M. Reactions of newt, 437. 

 *Reflex, the salivary, 362. 

 Regen, J. The stridulation of crick- 

 ets, 407, 412. 

 Reiff, W. Light reactions of insects, 

 394, 412. 

 •Reproduction, the physiology of, 266. 

 *Rheotaxis, in isopods. 202. 

 Rheotropism, literature on. 396. 

 Riley, C. F. C. Responses of toads, 



416, 437. 

 Rojanski, N. A. Materials to the 



physiology of sleep. 377. 

 Roubaiid. Behavior of wasps, 401. 

 Runner, G. A. Behavior of beetles, 

 407, 411. 



Sacked, L. W. Behavior of porcu- 

 pine, 429, 437. 

 Savitch, A. A. New materials for the 



study of nutritive reflexes, 377. 

 Sawyer. Transmission of poliomye- 



litis, 406, 412. 

 Schneider, K. C. Thinking horses, 437. 

 Schwantke, C. Thinking horses, 437. 

 Scitz, A. Vision in insects, 397, 412. 

 Sekera, E. Habits of nemertian, 393. 

 •Severin, H. H. P. and H. C. Behavior 



of fruit fly, 223, 402. 

 *Sex, reactions of doves to, 121 ; 

 *behavior in fowls, 266 ; 

 •perception of, 289; 

 •behavior in cats, 293 ; 

 *behavior in monkeys, 295. 

 Sexton, E. W. Habits of Gammarus, 

 390, 393. 

 *Shelford, V. E. Behavior of fishes, 1 ; 

 *behavior of land animals, 31 ; 

 reactions of fish, 423, 437. 

 Shephard, J. F. Development of in- 

 stinct, 426, 438. 

 "Shepherd, W. T. Sound discrimina- 

 tion by cats, 70. 

 Sherman, A. R. Habits of hawk, 427, 



438. 

 "Silkworm, perception of sex in, 289. 

 Skinner, H. Hibernation of house fly, 



404, 412. 

 •Smell, in the dog, 76; 

 *in fruit lly. 223; 

 literature on, 423. 

 Smith, L. W. The biology of stone 

 fly, 398, 412; 

 biology of Perla, 402. 412. 

 Snail, the behavior of the, 386; 

 light response of the, 391 ; 

 mating behavior of the, 391. 

 Social relations, 384. 

 "Sparrow, light discrimination in, 79. 

 Speech, literature on, -407. 

 "Spider, literature on, 394; 



behavior of, 404. 

 •Starfish, behavior of, 380; 

 locomotion in, 385 ; 

 reactions of, to light, 389; 

 vision in, 390. 

 Statocyst, the function of, 387. 

 Slander, H. The biology of Lysman- 

 tria, 406, 412; 

 behavior of caterpillars, 407, 412. 

 Stevens, H. C. Acquired reactions in 



crab, 390. 393. 

 Strand. E. Biology of Diapalpus, 406, 

 412. 



