museum of comparative zoology. 35 



Zoological Laboratory. 

 Contributions : — 



320. Mixxich, D. E. — The photic reactions of the honey-bee, Apis 



meUifera L. Journ. exp. zool., November, 1919, 29, p. 343- 

 425. 



321. Mixxich, D. E. — The relation of phototropism to swarming 



in the honey-bee, Apis mellifera L. Joum. psychobiol., 

 April, 1920, 2, p. 177-180. 



Bermuda Biological Statiox for Research. 



Contributions : — 



107. Crozier, W. J., axd Arey, L. B. — Onchidium and the question 



of adaptive coloration. Amer. nat., September-October, 

 1919, 53, p. 415-430. 



108. Crozier, W. J., and Arey, L. B. — The heliotropism of On- 



chidium: a problem in the analysis of animal conduct. 

 Journ. gen. physiol., November, 1919, 2, p. 107-112. 



109. Crozier, W. J. — Sex-correlated coloration in Chiton tubercu- 



latus. Amer. nat., January-February, 1920, 54, p. 84-88. 



110. Arey, L. B., axd Crozier, W. J. — The sensory responses of 



Chiton. Journ. exp. zool., October, 1919, 29, p. 157-260. 



111. Crozier, W. J., axd Arey, L. B. — Sensory reactions of Chro- 



modoris zebra. Journ. exp. zool., October, 1919, 29, p. 261-310. 



112. Crozier, W. J., axd Arey, L. B. — On the ethology of Chiton 



tuberculatus. Proc. Nat. acad. sci., November, 1919 (Janu- 

 ary, 1920), 5, p. 496-498. 



113. Arey, L. B., axd Crozier, W. J. — The nervous organization 



of a nudibranch. Proc. Nat. acad. sci., November, 1919 

 (January 1920), 5, p. 498-500. 



114. Crozier, W. J. — On the alkalinity of the sea water in lagoons 



at Bermuda. Amer. nat., January-February, 1920, 54, 

 p. 88-91. 

 115 Crozier, W. J. — The intensity of assortive pairing in Chromo- 

 doris. Amer. nat, March- April, 1920, 54, p. 182-184. 



