viii The Biological Soviet)/ of Washington. 



February 22, 1908 — 440th Meeting. 



The President in the chair and 40 persons present. 



The following communications were presented: 



B. W. Evermann: Testing the Water of Small Lakes for 

 Oxygen. 



A. H. Howell: The Destruction of the Cotton Boll Weevil 

 by Insectivorous Birds.* 



F. V. Coville: A Mistletoe Destructive to the Douglas Fir. 



March 7, 1908— 441st Meeting. 



The President in the chair and 60 persons present. 



M. W. Lyon, Jr., cited a reference to alleged adaptive varia- 

 tion among cats and rats inhabiting warehouses. 



H. W . Clark noted a ease of faseiation in the hyacinth. 



The following communications were presented: 



W . P. Hay: Some additional Colored Lantern Slides by the 

 Autochrome Process. 



Vernon Bailey: Home Life of the Lobo or Buffalo Wolf of 

 the Great Plains. 



M. W. Lyon, Jr.: A Simple Method to represent graphically 

 the trend of Variation in a small number of specimens of related 



Species. f 



March 21, 1908 — 442d Meeting. 



The President in the chair and :'><) persons present. 



The following communications were presented: 



W. .1. Spillman: Fixation of Breed Characters in Animals 

 and Plants. 



M. C. Marsh: A New Method of Marking Salmon Fry. 



M. W. Lyon, Jr.: Remarks on the Horns and the Systematic 

 Position of the American Antelope. J 



*\'.s. Dept. Agriculture, Biological Survey, Hull. No. 29, 1907; circ. No. 64, 1908. 



+ Contained in " Mammals collected in Eastern Sumatra by Dr. W. I.. Abbott during 

 1903, 1906 and 1907, with descriptions of new species and subspecies." Proc. U. S. Nat . 

 Mus. XXXIV, pp. 628- 632 and text fig. ::. Sept. 1 I, L908. 



t Remarks on the horns and on the systematic position of the American Antelope. 

 Proc. I . S. Nai. Mus., XXXIV, Pi'. 393-402, plates XXXVIII-XXXIX, Aug. 11, 1908. 



