CONTRIBUTIONS FROM THE ZOOLOGICAL LABORATORY OF 

 THE MUSEUM OF COMPARATIVE ZOOLOGY AT HARVARD 

 COLLEGE. (Oontinued.) 



300. Pabkeb, Q. H. — The Activities of Corymorplia. Jour. Exp. ZoBl., 24 (2) ; SOS- 



SSI. Nov., 1917. 



301. Stbinqeb, C. E.— Tlie Means of Locomotion in Planarians. Proo. Nat. Acad. 



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



302. Olm8TBD,J.M. D.— The Regeneration of Triangular Pieces of Planftriamaculata. 



A Study in Polarity. Jour. Exp. ZoSl., aS (I) : 167-176. Feb., ,1918. 



303. ( Heoht, S. —The Physiology of Ascidia atra Lesueur. X. General Physiology. 



304. i II. Sensory Physiology. Jour. Exp. ZoBl., 35 (1) : 229-299. Feb., 1918. 

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



Feb., 1918. 



306. Beat, A. W. L. — The Reactions of the Melanophore? of Anaiurus to Light and 



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



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



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

 808. Olmstbd, J. M. D. — Experiments on the Nature of the Sense of Smell in the 

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

 (6) .-MS-iSS. Aug., 1918. 



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



Phrynosoma. Jour. Exp. Zool., 86 (2) : 276-333. July, 1918. 



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



46 (6) .•493-601. Aug., 1918. 



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

 Nat. Acad. Sci., 4 (8) : 234-235. Aug., 1918. 



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



47 (2) : 266-277. Nov., 1918. 



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



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



314. BiGmsT, A. J. — The Effect of Adrenin on the Pigment Migration in the Melano- 



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

 Exp. Zool., 87 (3): 391-396. Jan., 1919. 



315. JoBDAH, H. — Concernmg Reissner's Fiber in Teleosts. Jour. Comp. Neurol., 



30 (2): 217-227, 1 pl- Feb., 1919. 



316. Parker, G.H.— The Organization of Renilla. Jour. Exp. Zool., 37 (4):499- 



607. Feb., 1919. 1 



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



Tube and the NerveCord of Earthworms. Bull. Mus. Com/. Zool., 63 (16). 

 669-681, Ipl. Apr., 1919. , 



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



Verrill. Jour. Exp. ZoBl., 88 (2): 161-204. May, 1919. 



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



luciae Verrill. Amer. Nat., .53 (626): 280-281. May-June, 1919. 



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



Jour. Exp. Zool., 39 (3) : 343-425. Nov., 1919. 



321. MiNNioH, D. E.-The Relation of Phototropism to Swarming in the Honey-Bee, 



Apis mellifera L. Jour. Psychobiol., 3 (2) : 177-180. April, 1920. 



