16 ANNUAL REPORT OF THE 



potassium, sodium, and lithium. Journ. corny, neurol. and 

 psychol, December, 1910, vol. 20, p. 601-614. 



213. Morgulis, S. — The movements of the earthworm: a study of 



a neglected factor. Journ. corny, neurol. and psychol., 

 December, 1910, vol. 20, p. 615-624. 



214. Parker, G. H. — The olfactory reactions of the common 



killifish, Fundulus heteroclitus (Linn.). Journ. exp. zool., 

 January, 1911, vol. 10, p. 1-5. 



215. Morgulis, S. — Contributions to the physiology of regenera- 



tion. III. Further experiments on Podarke obscura. 

 Journ. exp. zool., January, 1911, vol. 10, p. 7-22. 



216. Long, J. A., and Mark, E. L. — The maturation of the egg 



of the mouse. Publ. Carnegie inst. Washington, April, 1911, 

 No. 142, iv + 72 pp., 7 pis. 



217. Herms, W. B. — The photic reactions of sarcophagid flies, 



especially Lucilia caesar Linn, and Calliphora vomitoria 

 Linn. Journ. exp. zool., February, 1911, vol. 10, p. 167-226. 



218. Buckingham, E. N. — Division of labor among ants. Proc. 



Amer. acad. arts and sci., March, 1911, vol. 46, p. 423-508, 



i P i. 



219. Morgulis, S. — Contributions to the physiology of regenera- 



tion. IV. Regulation of the water content in regeneration. 

 Journ. exp. zool., April, 1911, vol. 10, p. 321-348. 



220. Morgulis, S. — Contributions to the physiology of regenera- 



tion. V. Regeneration of isolated segments and of small 

 pieces of worms. Amer. journ. physiol., March, 1911, 

 vol. 27, p. 415-426. 



221. Parker, G. H. — The mechanism of locomotion in gastropods. 



Journ. morph., March, 1911, vol. 22, p. 155-170. 



222. Morgulis, S. — Studies of inanition in its bearing upon the 



problem of growth. I. Arch. f. e?itwicklungsmechanilc, 

 May, 1911, bd. 32, p. 169-268, pi. 8-10. 



223. Laurens, H. — The reactions of amphibians to monochromatic 



lights of equal intensity. Bull. M. C. Z., June, 1911, vol. 53, 

 p. 251-302. 



Contributions from the Bermuda Biological Station for Research. 



20. Carpenter, F. W. — Feeding reactions of the rose coral (Iso- 

 phyllia). Proc. Amer acad. arts and sci., October, 1910, 

 vol. 46, p. 147-162, 1 pi. 



