CONTENTS 



NUMBER 1 FEBRUARY, 1920 



The temporal maze and kinaesthetic sensory processes in the white rat. 



Walter S. Hunter ! 



The behavior of white rats in the presence of cats. Coleman R. Griffith. . 19 



The biological basis of the association of ideas and the development of per- 

 ception. Knight Dunlap 29 



Studies of cerebral function in learning. K. S. Lashley 55 



NUMBER 2 APRIL, 1920 



The relative stimulating efficiency of continuous and intermittent light 

 in Vanessa antiopa. William L. Dolley, Jr 137 



The relation of phototropism to swarming in the honey-bee, Apis mellifera 

 L. Dwight E. Minnich 177 



NUMBER 3 JUNE, 1920 



The need for analytical study of the maze problem. J. F. Dashiell 181 



Effect of alcohol on hand and eye coordination. Knight Dunlap 187 



Psychological effects of deprivation of oxygen deterioration of perfor- 

 mance as indicated by a new substitution-test. H. M. Johnson and 



Franklin C. Paschal 193 



The momentary character of ordinary visual stimuli. Percy W. Cobb 237 



Relative distance as a factor in the white rat's selection of a path. J. E. 



De Camp 245 



The interrelation of habit formation and feeling qualities of voluntary 

 movements. Linus Ward Kline 255 



NUMBER 4 AUGUST, 1920 



Some transfer factors in maze learning by the white rat. J. F. Dashiell. . . 320 

 The dynamogenic influence of light on tactile discrimination. H. M. 

 Johnson 351 



NUMBER 5 OCTOBER, 1920 



Integration of movements in learning in the albino rat. A study of the 



adjustment of an organism to an environment. John Linck Ulrich . . . 375 

 Book reviews 449 



NUMBER 6 DECEMBER, 1920 



Integration of movements in learning in the albino rat. A study of the 



adjustment of an organism to an environment. John Linck Ulrich.. . 455 

 Index.. . 501 



