32 BIOLOGICAL SOCIETY OF WASHINGTON. 



Mr. G. Brown Goode read a paper entitled The Mackerel,* 

 and was followed by Captain J. W. Collins who explained and illus- 

 trated the uses of the various kinds of apparatus used in the mack- 

 erel fishery, f 



Fifteenth Meeting, June 17, 1881. 



The President occupied the chair. Fifty-two members were 

 present. 



Mr. Robert Ridgway exhibited a collection of wild and domesti- 

 cated turkeys. Mr. Newton P. Scudder made a communication 

 upon the breeding habits of the Painted Tortoise, Chrysemys picta. 

 Dr. Thomas Taylor exhibited some specimens of a tapeworm from 

 the common hog. J Mr. Frederick W. True exhibited the first vol- 

 ume of the new annual, ZoologiscJier ^ahresbericJit, published in Leip- 

 zig, and compared its merits with those of the London Zoological 

 Record Prof C. V. Riley exhibited specimens of the seventeen- 

 year locust, and the Rocky Mountain locust, explaining the differ- 

 ence between them and describing their habits. § 



The Society then adjourned to the basement of the Smithsonian 

 Building, where Col. Marshall McDonald described some recent 



black in a | patient while under treatment by | pilocarpin. — Report of a | py- 

 elo-nephiritis, with unusu- | ally prolonged anuria. | 2. | Care ol membranous 

 croup treated sue- | cessfully by pilocarpin. | By | D. W. Prentiss, A.M., M. D., 

 I Professor Materia Medica and Therapeutics, National Medical College, Wash- 

 ington, D. C. I — I Printed by | J. B. Lippincott & Co., Philadelphia. | i8Sl. 

 8vo.,pp. 15 + 1. 



Also — Change in the color of the human hair under the use of pilocarpin. 

 <Cincinnati Lancet and Clinic. XLVL 1881. (Sept. 3.) pp. 202-205; colored 

 plate and <[ Proceedings of American Association for the Advancement of 

 Science, XXX, (Cincinnati Meeting,) 1881. 



* 1882. Goode, G. Brown. Natural History of the Mackerel. ^Materials 

 for a Histoi7 of the Mackerel Fishery in Report U. S. Fish Commission. Part 

 VII for iS8i,pp. (i)-(48.) 



f 1882. Collins, Joseph W. (With G. Brown Goode.) The Mackerel 

 Fishery of the United States. Ibid. pp. (49)-(i40-l-.) 



+ 1882. Taylor, Thomas. On a tape-worm from the common hog. <Re- 

 port of the Commission of Agriculture for 1882, pp. . (In press.) 



§ 1881. Riley, Charles V. The Periodical Cicada alias " Seventeen-year 

 Locust." <;American Naturalist, XV, 1881, pp. 479-481, one figure. 



