PROCEEDINGS. XV 



Dr. Bean read a paper on Kexnerly's Salmon.* Dis- 

 cussed by Dr. Dall, Mr. C. D. Walcott and Mr. Waite. 



Dr. Theobald Smith made some Remarks on Recent 

 Bacteriological Progress in the Prevention and Cure 

 OF Disease. 



Dr. V. A. Moore spoke of the Production of Immunity in 

 Guinea Pigs with Sterilized Cultures of Hog Cholera 

 Bacillus. Discussed by Drs. Curtice, Schaeffer and Sal- 

 mon, and Mr. Walcott. 



Mr. E. M. Hasbrouck read a Monograph of the Caro- 

 lina Parrakeet.I 



One Hundred and Seventy-seventh Meeting, 



April i8, 1891. 



Vibe- President Riley in the chair, and twenty members 

 present. 



Prof. L,. H. Dewey, was elected an active member of the 

 Society. 



Mr. Van Deman presented a communication on The Recent 

 Introduction of Date Palms. t 



Dr. Curtice read a paper entitled Practical Value of In- 

 vestigating Parasites of Dive Stock. 



Prof. Lester F. Ward spoke of Some Florida Plants. 



One Hundred and Seventy-eighth Meeting, 



May 2, 1 89 1. 



Vice-President Riley in the chair, and twenty-eight members 

 present. 



Dr. Gill spoke of the Classification of the Apodal 

 Fishes. § Discussed by Mr. Lucas. 



* Forest aud Stream, July 9, 1891. 



tThe Auk, Oct., 1891, pp. 369-379- 



J Ann. Report, U. S. Dept. of Agriculture, 1890, p. 415. 



§ Proc. U. S. Nat. Museum, Vol. xiii, 1890, pp. 157-242. 



