

Factory unit, the mother duck. ( Photo by C. J. Henry) 



In Nutria Feeding Activity and its Effect on 

 Mwrsh Vegetation in Southwestern Louisiana. 

 (Bureau of Sport Fisheries and Wildlife, Special 

 Scientific Report— Wildlife No. 64, 51 p.). Van T. 

 Harris of the Denver Wildlife Research Center 

 and Fred Webert, formerly Biologist of the 

 Louisiana Wildlife and Fisheries Commission, re- 

 ported information of much interest and value on 

 this exotic rodent, introduced from South 

 America. 



Effects of Pesticides on Fish and Wildlife: A 

 Review of Investigafionx During 1960 is a timely 

 and informative publication of the Bureau of 

 Sport Fisheries and Wildlife (Circular 143, 52 



PP-) 



The Colorado Department of Game and Fish 

 issued a distinctive bulletin, Chemical Composi- 

 tion arul Digestihility hy Mule Deer of Selected, 

 Forage Species, Cache la. Poudre Range, Colorado 

 (Tecimical Bulletin 8, 89 p.), by Donald R. Dietz, 

 Robert H. Udall, and Lee E. Yeager. The tech- 



nical aspects of this research were penformed by 

 Mr. Dietz, 1957-60, while employed by the Bureau 

 of Sport Fisheries and Wildlife. 



Important works in press or in adA-anced stages 

 of preparation include The Black Brant, Sea 

 Goose of the Pacific, by former Oregon Unit 

 Leader A. S. Einarsen; Bird-'< of Te-ras. by Harry 

 C. Oberholzer, retired; a book on the marshes of 

 the United States by Neil Hotchkiss; a book on 

 the white-winged dove by George B. Saunders; 

 and a book on the history and philosophy of 

 predator control by Stanley P. Young, retired. 

 Works in less advanced stages of preparation in- 

 clude a book on the birds of Idaho by Thomas 

 Burleigh; and a book, Waterfoud To7uorrow, 

 written by nearly a hundred authorities and edited 

 by Joseph P. Linduska, former employee and now 

 Collaborator of the Bureau. Of the authors, 

 about half are employees of the Bureau of Sport 

 Fisheries and Wildlife. Publication of the mono- 

 graph is expected late in 1963. 



10 



