MUSEUM OF COMPARATIVE ZOOLOGY. 31 



307. Walton, A. C. — The oogenesis and early embryology of Ascaris 



canis Werner. Journ. morph., March, 1918, 30, p. 527-603. 



308. Olmsted, J. M. D. — Experiments on the nature of the sense 



of smell in the common catfish, Amiurus nebulosus (Lesueur). 

 Amer. journ. physioL, July, 1918, 46, p. 443-458. 



309. Redfield, A. C. — The physiology of the melanophores of the 



horned toad, Phrynosoma. Journ. exper. zobl., July, 1918, 

 26, p. 275-333. 



Bermuda Biological Station for Research. 



Contributions : — 



69. Collins, F. S. and Hervey, A. B. — The Algae of Bermuda. 



Proc. Amer. acad, arts & sci., August, 1917, 53, p. 1-195, pi. 1-6. 



70. Crozier, W. J. — Evidence of assortive mating in a nudibranch. 



Proc. Nat. acad. sci., August, 1917, 3, p. 519-522. 



71. Jordan, H. — Integumentary photosensitivity in a marine fish, 



Epinephclus striatus Bloch. Amer. journ. physiol,, October, 



1917, 44, p. 259-274. 



72. Crozier, W. J. — The photic sensitivity of Balanoglossus. 



Journ. exper. zobl., November, 1917, 24, p. 211-217. 



73. Olmsted, J. M. D. — Notes on the locomotion of certain Ber- 



mudian mollusks. Journ. exper. zobl,, November, 1917, 24, 

 p. 223-236. 



74. Olmsted, J. M. D. — The comparative physiology of Synaptula 



hydriformis (Lesueur). Journ. exper. zobl,, November, 1917, 

 24, p. 333-379. 



75. Crozier, W. J. — Fusion of " rhinophores " in Chromodoris. 



Amer. not., December, 1917, 51, p. 756-758. 



76. Crozier, W. J. — Note on the habitat of Geonemerles agricola. 



Amer. nat., December, 1917, 51, p. 758-760. 



77. Crozier, B. B. — Bermudian species of Donatia (Tethya). 



Ann. mag. nat. hist., January, 1918, ser. 9, 1, p. 11-18. 



78. 79. Hecht, S — See supra, Contrib. Zobl. Lab., 303, 304. 



80. Hecht, S. — See supra, Contrib. Zool. Lab., 305. 



81. Crozier, W. J. — On sensory activation by alkalies. Amer. 



journ. physiol., March, 1918, 45, p. 315-322. 



82. Crozier, W. J. — Sensory activation by acids. I. Amer. 



journ. physiol, March, 1918, 45, p. 323-341. 



83. Crozier, W. J. — Cell penetration by acids. IV. Note on the 



penetration of phosphoric acid. Journ. biol. chem., March, 



1918, 33, p. 463-470. 



