The Journal of Animal Behavior 



An organ for the publication of studies concerning the instincts, 

 habits and intelligence of organisms 



The Journal contains a Department of Notes in which appear brief accounts of 

 especially interesting and valuable observations of behavior. 



Published bi-monthly at Cambridge, Boston, Mass., by Henry 

 Holt and Company, New York. Each volume contains at least 450 

 pages with plates and text-figures. 



The subscription price is $3.00 per volume (foreign subscription 

 S3. 50) postpaid. 



Manuscripts, subscriptions, and all business correspondence should 

 be addressed to 



THE JOURNAL OF ANIMAL BEHAVIOR 



Emerson Hall, Cambridge, Massachusetts. 



Behavior Monographs 



For the publication of studies in behavior and intelligence which are 



too lengthy or too expensive for acceptance 



by The Journal of Animal Behavior 



Published at irregular intervals at Cambridge, Boston, Mass., in 

 connection with the Journal of Animal Behavior, by Henry Holt and 

 Company, New York. Each volume contains approximately 450 

 pages with plates and text-figures. 



The subscription price is $3.00 per volume (foreign subscription 

 $3.50) postpaid. 



Monographs may be purchased separately at prices varying with 

 the cost of manufacture. 



Manuscripts and inquiries concerning terms of publication should 

 be addressed to the Editor of the Behavior Monographs, 

 JOHN B. WATSON, 



The Johns Hopkins University, 



Baltimore, Md. 



Subscription to The Journal of Animal Behavior and the Behavior 

 Monographs should be sent to Emerson Hall, Cambridge, Massa- 

 chusetts. 



