Behavior Monographs 



VOLUME 1 



No. 1 The development of certain instincts and habits in chicks. By 

 Frederick S. Breed. Pp. iv + 78, $1.00, postpaid. 



No. 2 Methods of studying vision in animals. By Robert M. Yerkes 

 and John B. Watson. Pp. iv + 90, $1.25, postpaid. 



No. 3 An experimental study on the death-feigning of Belostoma 

 (-Zaitha Aucct.) flumineum Say and Nepa apiculata Uhler. 

 By Henry H. P. Severin and Harry C. Severin. Pp. iii + 

 47, $.65, postpaid. 



No. 4 The biology of Physa. By Jean Dawson. Pp. iii + 120, $1.50, 

 postpaid. 



No. 5 The function of the vibrissae in the behavior of the white rat. 

 By Stella Burnhara Vincent. Pp. iv + 81, $1.15, postpaid. 



VOLUME 2 

 No. 6 The delayed reaction in animals and children. By Walter S. 

 Hunter. Pp. v + 86, $1.15. 



No. 7 The Canada porcupine : a study of the learning process. By 

 Leroy Walter Sackett. Pp. iii + 84, $1.15. 



No. 8 Audition and habit formation in the dog. By Harry Miles John- 

 son. Pp. iv + 78, $1.00. 



No. 9 Habit formation in a strain of albino rats of less than normal 

 brain weight. By Gardner Cheney Basset. Pp. iv + 46, 



$.65. 



No. 10 Distribution of effort in learning in the white rat. By John 

 Linck Ulrich. Pp. iii + 51, $.65. 



No. 11 The effect of age on habit formation in the albino rat. By 

 Helen B. Hubbert. Pp. v + 55, $.65. 



VOLUME 3 



No. 12 The mental life of monkeys and apes: a study of ideational 

 behavior. By Robert M. Yerkes. Pp. iv + 145, $1.50. 



