CONTENTS iii 



Henry H. P. Severin and Harry C. Severin. Behavior of pages 

 the Mediterranean fruit fly (Ceratitis Capitata JVied.) 

 towards kerosene 223-227 



Number 4, July- August 



Lee Raymond Dice. The factors determining the vertical 



movements of Daphnia 229-265 



Raymond Pearl. Studies on the physiology of reproduc- 

 tion in the domestic 'fowl. VII. Data regarding the 

 brooding instinct in its relation to egg production 266-288 



Osv. Polimanti. On the thele-perception of sex in -silk- 

 worm moths 289-292 



K. S. Lashley. A note on the persistence of an instinct. 293-294 



Number 5, September-October 



G. Y- Hamilton. A study of sexual tendencies in 



monkeys and baboons 295-318 



H. M. Johnson. Visual pattern-discrimination in the 



vertebrates — I. Problems and Methods 3 I 9~339 



H. M. Johnson. Visual pattern-discrimination in 'the 

 vertebrates — II. Comparative visual acuity in the dog, 

 the monkey, and the chick 340-361 



Sergius Morgulis. Pawlow's theory of the function of 

 the central nervous system and a digest of some of the 

 more recent contributions to this subject from Pawlow's 

 laboratory 362-379 



R. P. Cowles. The influence of white and black walls on 



the direction of locomotion of the starfish 380-382 



Number 6, November-December 



S. J. Holmes. Literature for 1913 on the behavior of the 



lower invertebrates 383-393 



C. H. Turner. Literature for 19 13 on the behavior of 



spiders and insects other than ants 394-413 



Stella B. Vincent. Literature for 1913 on the behavior 



of vertebrates 414-438 



Walter S. Hunter. Pycraft on the infancy and courtship 



of animals 439-441 



Walter S. Hunter. H. Volkelt's " Uber Die Vorstel- 



lungen der Tiere " 442-445 



