CONTRIBUTIONS FROM THE ZOOLOGICAL LABORATORY OF 

 THE MUSEUM OF COMPARATIVE ZOOLOGY AT HARVARD 

 COLLEGE. {Continued.) 



300. Parker, G. H. — The Activities of Coi-ymorpha. Jour. Exp. Zool., 24 (2) : SOS- 

 SSI. Nov., 1917. 



SOI. Stbinsbb, C. E. — The Mea,nj of Locomotion in Plaoarians. Proc. Nat. Acad. 

 Sci., 3 (12) :691-692. Dec, 1917. 



302. Olmsted, .J. M. D. — The Reseneration of Triaagiilar Pieces of Planariamaculata. 

 A Staily in Polarity. Jour. Bxp. ZoBl., 85 (1) :157^176. Feb., 1918. 



SOS. ( Hecht, S. —The Physiologj of Ascidia atra Lesueur. I. General Physiology. 



304.1 II. Sensory Physiology. Jour. Exp. ZoBL, 25 (1) ; 229-299. Feb., 1918. 



305. Heoht.S. — Id. III. The Blood System. Amer. Jour. Physiol., 45 (3) : 167-187. 



Feb., 1918. 



306. Brat, A. W. L. — The Reactions of the Melanophores of Amiurus to Light and 



Adrenalin. Proc. Nat. Acad. Sci., 4 (3) : 68-60. Mar., 1918. 



307. Walton, A. C — The Oogenesis and Early Embryology of Ascaris cams Werner. 



Jour. MorDh.,30 (2) : 627-603. Mar., 1918. 



308. Olmsted, J. M. D. — Experiments on the Nature of the Sense of Smell in the 



Common Catfish, Amiurus uebulosus (Lesueur). Amer. Jour. Physiol., '46 

 (6):443-468. Aug., 1918. 



309. Bedfield, a. C — The Physiology of the Melanophores ol the Horned Toad, 



Phryhosoma. Jour. Exp. Zool., 26 (2) : 276-333. July, 1918. 



310. Brooks, E. S. — Reactions of Frogs to Heat and Cold, Amer. Jour. Physiol., 



46 (6) :493-601. Aug., 1918. 



311. Cobb, P. H. — Autonomous Responses of the Labial' Palps of Anodonta. Proc. 



Nat. Acad. Sci., 4 (8) : 234-236. Aug., 1918. 



312. Irwin, M.— The Nature of Sensory Stimulation by Salts. Amer. Jour. Physiol., 



47 (2): 265-277. Nov., 1918. 



313. Parker, G. H. — The Rate of Transmission m the Nerve Net of the Coelenterates. 



Jour. Gen. Physiol., 1 (2) : 231-236. Nov., 1918. 



314. BisNBY, A. J. — The Effect of Adrenin on t\\k Pigment Migration in the Melano- 



phores of the Skin and in the Pigment Cells of the Retina of the Frog. Jour. 

 Exp. Zool., 3r (3): 391-396. Jan., 1919. 



315. Jordan, H.. — Concerning Reissner's Fiber in Teleosts. Jour. Comp. Neurol., 



.to (2): 217-227, 1 pi. Feb., 1919. 

 S16. Pahker.G. H. — The Organization of Renilla. Jour. Exp. Zool., 27 (4):499- 

 607. Feb., 1919. 



317. .Hunt, H. R. — Regenerative Phenomena following the Removal of the Digestive 



Tube and the Nerve Cord of Earthworms. Bull. Mus. Comp. Zool., 63 (16): 

 569-681, 1 pi. Apr., 1919. 



318. Davis, D. W. — Asexual Multiplication and Regeneration in Sagartia luciae 



Verrill. Jour. Exp. Zool., 28 (2): 161-204. May, 1919. 



319. Parker, G. H. — The Effects of the past Winter on the Occurrence of Sagartia 



luciae Verrill. Amer. Nat., 5S (626): 280-281. May-June, 1919. 



320. MiNNicH, D. E. — The Photic Reactions of the Honey-Bee, Apis mellifera L. 



Jour. Exp. Zool , 2» (3) : 343-425. Nov., 1919. 



