30 ANNUAL REPOKT OF THE 



Memoirs : — 



Vol. XXXV. 



No. 5. Reports on the scientific results of the expedition to the Tropical 

 Pacific, in charge of Alexander Agassiz, by the U. S. Fish Commission 

 Steamer "Albatross," from August, 1899, to June, 1900, Commander 

 Jefferson F. Moser, U. S. N., commanding. XIX. The Dolabellinae. 

 By F. M. MacFarland. pp. 53. 10 plates. September, 1918. 



Vol. XLV. 



No. 2. Solenogastres from the eastern coast of North America. By 

 Harold Heath, pp. 81. 14 plates. October, 1918. 



Vol. XLVII. 



No. 1. Seasonal deposition in aqueo-glacial sediments. By Robert W. 



Sayles. pp. 68. 16 plates. February, 1919. 

 No. 2. The herpetology of Cuba. By Thomas Barbour and Charles T. 

 Ramsden. pp. 148. 15 plates. May, 1919. 



Vol. XLVIII. 



Reports on an exploration off the west coasts of Mexico, Central and South 

 America, and off the Galapagos Islands, in charge of Alexander Agassiz, 

 by the U. S. Fish Commission Steamer "Albatross," during 1891, Lieut.- 

 Commander Z. L. Tanner, U. S. N., commanding. XXXVIII. Reports 

 on the scientific results of the expedition to the Tropical Pacific, in charge 

 of Alexander Agassiz, by the U. S. Fish Commission Steamer "Albatross," 

 from August, 1899, to March, 1900, Commander Jefferson F. Moser, 

 U. S. N., commanding. XX. Reports on the scientific results of the 

 expedition to the Eastern Tropical Pacific, in charge of Alexander Agassiz, 

 by the U. S. Fish Commission Steamer "Albatross," from October, 1904, 

 to March, 1905, Lieut.-Commander L. M. Garrett, U. S. N., commanding. 

 XXXI. The Annelida Polychaeta. By Ralph V. Chamberlin. pp. 514. 

 80 plates. July, 1919. 



Report: — 



1917-1918. 35 pp. December, 1918. 



Zoological Laboratory. 

 Contributions : — 



310. Brooks, E. S. — Reactions of frogs to heat and cold. Amer. 



journ. physiol., August, 1918, 46, p. 493-501. 



311. Cobb, P. H. — Autonomous responses of the labial palps of 



Anodonta. Proc. Nat. acad. sci., August, 1918, 4, p. 234-235. 



312. Irwin, M. — The nature of sensory stimulation by salts. 



Amer. journ. physiol., November, 1918, 47, p. 265-277. 



313. Parker, G. H. — The rate of transmission in the nerve net of 



the coelenterates. Journ. gen. physiol., November, 1918, 1, 

 p. 231-236. 



