The Journal of 

 Animal Behavior 



An organ for the publication of studies of the 

 instincts, habits and intelligence of organisms. 



CONTENTS OF SPECIMEN NUMBERS 

 Volume /, No. 1 



"The discriminative ability of tlie painted 

 turtle." By D. B. Casteel. 



"The reactions of mosquitoes to light in different 

 periods of their life liistory." By S. J. Holmes. 



"A study of trial and error reactions in mam- 

 mals." By G. V. Hamilton. 



"A note on learning in Paramecium." By Lucy 

 M. Day and Madison Bentley. 



"Wheeleron ants" (areview) . By R. M. Yerkes. 



Volume /, No. 5 

 "Habit formation in frogs." By A. A. Schaeffer. 

 "Nests and nest-building in birds." Part HI. 



By F. H. Herrick. 

 "Notes on the behavior of a parasitic bee of 



the family Stelidje." By C. H. Turner. 



Published bi-monthly at Cambridge, Boston, 

 Mass., by Henry Holt & Company, New York. 

 Each Annual Volume contains at least 450 

 pages, with plates and text figures. 



The subscription price is $3 per volume 

 (foreign S3-5o) postpaid. 



Manuscripts, subscriptions, and all business 

 correspondence should be addressed to 



THE JOURNAL OF ANIMAL 



BEHAVIOR 

 Emerson Hall, Cambridge, Mass. 



The BEHAVIOR 

 MONOGRAPHS 



For the publication of studies in be- 

 havior and intelligence, which are too 

 extensive, or for other reasons too ex- 

 pensive, to be accepted by the Journal 

 of Animal Behavior. 



Specimen Numbers of Vol. I 



No. I. "The development of certain instincts 

 and habits in chicks." By F. S. Breed. 

 $1 postpaid. 

 No. 2. "Methods of studying vision in ani- 

 mals." By R. M. Yerkes and J. B. Watson. 

 |i.2S postpaid. 



Published at irregular intervals at Cam- 

 bridge, 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 S3. 50) postpaid. 



The Monographs may be purchased sepa- 

 rately at prices varying with the cost of 

 manufacture. 



Manuscripts and inquiries concerning terms of 



publication should be addressed to the Editor, 



JOHN B. WATSON 



The Johns Hopkins University 



Ealtimore. Md. 



Subscriptions should be sent to 



THE BEHAVIOR MONOGRAPHS 



Emerson Hall, Cambridge, Mass. 



The Nature Study 

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Official organ of the American 



Nature Study Society, adapted 



primarily to all scientific studies 



of nature in the elementery 



schools. September number. 



Forestry; October number. 



Weeds; November number. 



Children's Pets; December 



number, Hygiene. 



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ELLIOT R. DOWNING, Editor 



The Universityof Chicago 

 The School of Education 



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