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30 



CONTEXTS OF VOLUME 6, 191 5 

 Number i, January-February 



pages 



Vincent, Stella B. The white rat and the maze problem. 



I. The introduction of a visual control 1-24 



Yerkes, Robert M., assisted by Eisenberg, A. M. Prelimi- 

 naries to a study of color vision in the ring dove Tutor 

 risorius 2 5 _ 43 



White, Gertrude M. The behavior of brook trout em- 

 bryos from the time of hatching to the absorption of 

 the yolk sac 44-60 



Bittner, L. H., Johnson, G. R., and Torrey, H. B. The 



earthworm and the method of trial 61-65 



Hubbert, Helen B. Elimination of errors in the maze. . . . 66-72 



McDermott, F. Alex. Note on the reaction of the house- 

 fly to air currents 73 _ 74 



Financial statement for 1914 



Number 2, March- April 



Coburn. Charles A., and Yerkes, Robert M. A study of 

 the behavior of the crow Corvus Americanus And. by 



the multiple choice method 75-114 



DeVoss, J. C, and Ganson, Rose. Color blindness of cats, 115-130 

 Vincent, Stella B. The white rat and the maze problem. 



II. The introduction of an olfactory control 140-157 



Cole, L. W. The Chicago experiments with raccoons. . . . 158-173 



Number 3, May-June 



Vincent, Stella B. The white rat and the maze problem. 



III. The introduction of a tactual control 175-184 



Yerkes, Robert M., and Coburn, Charles A. A study of 



the behavior of the pig Sits scrofa by the multiple choice . 



method 185-225 



Schwartz, Benjamin, and Safir, S. R. Habit formation in 



the fiddler crab 226-239 



Rau, Phil. The ability of the mud-dauber to recognize 



her own prey (Hymen) 240-249 



(JHo b 



