Vlll 



INDEX 



Thorndike, E. L. Animal intelligence, 

 441. 

 Touch, in raccoon, 299. 

 ♦Trypoxyion, reactions of, 353. 

 r JVet.-e fly, habits of, 38G; 



and game, 396, 398. 

 ♦Turner, ( '. H. Reactions of wasp, 3.">3; 

 ♦literature for 1911 on spiders, 380; 

 behavior of bees, 381, 399; 

 react inns of insects, 383, 399; 

 life history of the rice weevil, 387, 

 398. 



u 



Irhla. V. 

 379. 



Behavior of Protozoa, 3G8, 



♦T Tertebrates, literature on, 421. 



Viehmeyer, H. Mating flights of ants, 

 416, 420. 

 ♦Vincent; S. B. The mammalian eye, 249; 



behavior of the white rat, 452. 

 ♦Vision, in the rabbit, 145; 

 ♦mammalian, 249; 

 ♦in chick, 280; 

 ♦in raccoon, 302; 

 ♦in the rat, 310; 

 comparative studies of, 376; 

 in insects, 383; 

 in birds, 424; 



in fishes, 421, 422, 430, 440; 

 in frogs, 423; 

 methods of studying, 452. 



Wager, If. Behavior of Euglena, 368, 

 379. 

 ♦Warren, E. R. Behavior of squirrel, 221. 



♦imitation in cat , 222. 

 ♦Washburn, M. F. Vision in the rabbit, 

 145; 

 ♦literature on invertebrates, 367. 

 Wasmann, E. Social relations of ants, 

 416, 420. 

 ♦Wasps, reactions of, 353; 

 natural history of, 391. 

 ♦Watson, J. B. Literature on behavior 

 of vertebrates, 421; 

 methods of studying vision, 452. 

 Werner, F. The sleeping attitudes of 



fishes, 431, 440. 

 Wheeler, W. M. The ant colony as an 

 organism, 417, 420. 

 ♦Wildness, in ducklings, 363. 



Wilson, H. F. Habits of red spider, 399. 

 ♦Wodsedalek, J. E. Associations in the 



May-fly, 1. 

 Woodruff, L. L. Adaptation of Para- 

 mecia, 369, 379. 

 ♦Worms, intelligence of, 332. 



<yerkes, R. M. 



The discrimination 

 method, 142; 

 ♦intelligence of earthworms, 332; 

 methods of studying vision, 452. 

 Yung, E. Behavior of snails, 371, 379. 



