PROCEEDINGS. XIX 



Dr. C. Hart Merriam described A New Genus and two 

 new Species of Lemning Mouse or Vole from British 

 America.* {Phenacomys celatus and P. latimanus). Dis- 

 cussed by Mr. True. 



Mr. Th. Holm spoke on The Germination of Sarracenia, 

 Rheum, Peltandra, Hemerocallis, and Cyperis. Dis- 

 cussed bv Mr. Ward. 



One Hundred and Forty-Fourth Meeting, 

 May 4, 18S9. 



The President in the chair, and twenty-eight members 

 present. 



Mr. W. T. Hornaday exhibited and discussed a living speci- 

 men of The Black-footed Ferret (Putorius nigripes. 

 Discussed by Dr. Merriam. 



Mr. B. E. Fernow read a paper on Annual Ring- 

 Growth in Trees. Discussed by Dr. Vasey, and Messrs. 

 Vandeman, Ward, and True. 



Dr. Theobald Smith presented a communication on Para- 

 sitic Protozoa (Coccidia) in the Renal Epithelium of 

 the Mouse. t Discussed by Drs. Baker and Curtice. 



Mr. H. E. VanDeman described The Tropical Fruits 

 of the Lake Worth Region. 



One Hundred and Forty-fifth Meeting, 

 May 18, 1889. 



The President in the chair, and thirty -one members present. 



Dr. C. Hart Merriam described Two New Species of 



Spermophile from the Deserts bordering the Lower 



* 1889. Merriam, C. Hart. Description of Phenacomys celatus. N. 

 Am. Fauna, No. 2, Oct. 1889, 33-34. 



t 1889. Journal. Comp. Med. and Surg. July. 



