viii TJie Biological Society of Washington. 



February 6, 1904 38and Meeting. 



The President in the chair and 105 persons present. 

 The following communications were presented : 

 Ernest T. Seton : A Study of the Pocket Gophers, the Fertil 

 izers of the West.* 



Ernest T. Seton : Scars on the Quaking Aspen. 



March 5, 1904 383rd Meeting. 



The President in the chair and 85 persons present. 



The following communications were presented : 



A. K. Fisher : The Birds of Laysan Island. t 



J. N. Rose : Revision of the North American Crassulaceae . t 



March 19, 1904 384th Meeting. 



The President in the chair and 45 persons present. 



C. E. Waters exhibited series of common ferns showing gra 

 dations from sterile to fertile fronds. 



The following communications were presented : 



B. W. Evermann : A Series of Colored Drawings of Hawaiian 

 Fishes. 



W. P. Hay : The Life History and Economic Importance of 

 the Blue Crab. 



Walter H. Evans : An Evident Case of Parthenogenesis in 

 Begonia. 



0. F. Cook : Natural Selection in Kinetic Evolution. 



April 2, 1904 385th Meeting. 



The President in the chair and 46 persons present. 

 F. A. Lucas exhibited lantern slides showing photographs of 

 living animals taken by flashlight. 



The following communications were presented : 



H. W. Oldys : The Use of Our Musical Scale by Birds. 



W. H. Osgood : ^Th^Caribou of Alaska. 



* Century Magazine, LXVIII, pp. 300-307, June, 1904. 

 tSee W. K. Fisher, Bull. U. S. Fish Comm. for 1903, pp. 1-39, pis. I-X. 

 tSee Britton and Rose, Bull. N. Y. Bot. Garden, III, No. 9, Nov. 11, 1903, and Smith 

 sonian Misc. Coll. (Quart. Issue), XLVII, pt. 2, pp. 159-162, p*l. XX, 1904. 

 I To be published by U. S. Bureau of Fisheries. 



