PROCEEDINGS. 



ERING OF THE GlNKGO TREE IN WASHINGTON,* Stated that two 



trees of Ginkgo bilola. L., a male and a female, had flowered for 

 the first time in the Botanical Garden, and the artificial polliniza- 

 tion of the female tree had been successfully effected. 



Dr. H. G. Beyer, U. S. N., read a paper on THE PHYSIOLOGI 

 CAL EFFECTS OF COCAINE. \ 



Prof. C. V. Riley presented a paper entitled NOTES ON THE 

 PERIODICAL CICADA, \ in which he described the two extensive 

 broods of this year, and discussed the specific value of the differ 

 ent forms. 



Dr. Thomas Taylor made a communication on How TO DIS 

 TINGUISH BETWEEN ANIMAL AND VEGETABLE FATS, giving an 

 account of his recent experiments on the subject. 



EIGHTY-SECOND MEETING, October 31, 1885. 



The President occupied the chair, and thirty members were 

 present. 



Col. Marshall McDonald made a communication entitled FISH 

 CULTURE A NECESSITY FOR THE MAINTENANCE OF THE SHAD 

 FISHERY, || illustrating his arguments by a comparison of the 

 statistics for 1880 and 1885. 



Mr. Wm. H. Dall read a paper on DEEP-SEA MOLLUSKS AND 

 THE LAWS ILLUSTRATED IN THEIR DEVELOPMENT, exhibiting 

 specimens collected by the Coast Survey Steamer " Blake " and 

 the Fish Commission Steamer " Albatross." 



Prof. O. T. Mason exhibited a series of casts taken from the 



* 1885. WARD, LESTER F. The Ginkgo Tree. <Science, v, June 19, 



PP- 495-497' 10 figs- 



1 1885. BEYER, H. G. The Influence of Atropine, Cocaine, and Caffeine 

 on the Heart and Blood Vessels. <Am. Jour, of the Medical Sciences, 

 Phila., July, pp. 1-31, 2 pis. 



I 1885. RILEY. C. V. The Periodical Cicada. <Science, v, June 26, 

 pp. 518-521. 



Proc. Am. Assoc. Advancement of Science, 1885 ; Proc. Am. Soc. of 

 Microscopists, 1885; Ann. Kept. U. S. Dept. of Agriculture, 1885. 



|f 1885. The Results of Shad Propagation on the Atlantic Coast. 

 <Science, vi, No. 145, suppl., pp. 433-434- (Abstract). Abstracts also 

 printed in the American Angler, Forest and Stream, and other papers. 



