CONTENTS iii 



PAGES 



Walter B. Swift. Psychological results in reactions to 

 tone before and after extirpation of the temporal 

 lobes 225-228 



Number 4, July-August 

 Edwin G. Boring. Note on the negative reaction under 



light-adaptation in the planarian 229-248 



S. B. Vincent. The mammalian eye 249-255 



S. O. Mast. Behavior of fire-flies (photinus pyralis) ? 



with special reference to the problem of orientation. . 256-272 

 Wallace Craig. Observations on doves learning to drink 273-279 

 Frederick S. Breed. Reactions of chicks to optical 



stimuli 280-295 



Wallace Craig. Behavior of the young bird in break- 

 ing out of the egg 296-298 



Number 5, September-October 

 Lawrence W. Cole. Observations of the senses and in- 

 stincts of the raccoon 299-309 



K. S. Lashley. Visual discrimination of size and form 



in the albino rat 310-331 



Robert M. Yerkes. The intelligence of earthwoims. ... 332-352 

 C. H. Turner. Reactions of the Mason wasp, Trypo'xy- 



lon albotarsus, to light 353-362 



John C. Phillips. Note on wildness in ducklings 363-364 



Charles A. Coburn. Singing mice 364-366 



Number 6, November-December 

 Margaret F. Washburn. Literature for 1911 on the 



behavior of lower invertebrates 367-379 



C. H. Turner. Literature for 1911 on the behavior of 



spiders and insects other than ants 380-399 



William M. Mann. Literature for 191 1 on the behavior 



of ants and myrmecophiles 400-420 



John B. Watson. Literature for 1911 on the behavior 



of vertebrates 42 1-440 



Harvey Carr. Thorndike's "Animal Intelligence" 441-446 



Georges Bohn. Holmes's "The Evolution of Animal 



Intelligence " 447-45 1 



Announcement. The Behavior Monographs 452 



