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 CYPERUS. Dis 

 cussed by Mr. Ward. 



ONE HUNDRED AND FORTY-FOURTH MEETING, 

 May 4, 1889. 



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. f 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 1 8, 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 cclatns. 

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



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



