xii Proceedings. 



Dr. C. Hart Merriam spoke on THE FAUNA AND FLORA OF 

 EASTERN WYOMING. Messrs. Rose, Coville, Evermann, and 

 Merriam made informal remarks upon the same subject. 



Dr. C. W. Stiles treated of ARTIFICIAL SPECIES OF 

 CESTODES.* This paper was discussed by Messrs. Dall, 

 Merriam, Gill, Fernow and Riley. 



Two HUNDRED AND SIXTEENTH MEETING, 



November 18, 1893. 



The President in the chair, and thirty-seven persons 

 present. 



Mr. Win. H. Ashmead and Mr. F. C. Pratt were elected 

 active members. 



Dr. C. Hart Merriam presented a communication entitled 

 REMARKS ON THE GENUS GEOMYS.f Dr. Merriam' s paper 

 was discussed by Messrs. Gill, Ward, Riley, and Merriam. 



Mr. Frederick V. Coville spoke upon JUNCUS MARGINATUS 



AND ITS VARITIES.J 



The question WHAT ARE THE SPECIAL NEEDS OF THE 

 BIOLOGICAL SOCIETY OF WASHINGTON ? was discussed by 

 Messrs. Fernow, Stiles, Gill, and Merriam. 



Two HUNDRED AND SEVENTEENTH MEETING, 

 December 2, 1893. 



Dr. Gill in the chair, and twenty-four persons present. 

 Mr. J. B. Thompson of Washington was elected an active 

 member. 



Mr. F. H. Blodgett read NOTES ON THE DEVELOPMENT OF 



*A Revision of the Adult Cestocles of Cattle, Sheep and allied Animals. 

 <Bur. An. Ind. (U. S. Dept. Agric.) Bui. No. 4, pp. 97-101. 



tMonographio Revision of the Pocket Gopher's Family, Geomyida?, 

 (North America Fauna, No. 8) 1895. 



|Proc. Biol. Soc. Wash., pp. 121-12 



