328 APPENDIX IV. 



1861. Wells, D. A. On the Feeding and Growth of the Ameri- 

 can Eobin. United States Patent Office, Eeport on Agri- 

 culture, 1860, pages 88-89. 



Abstract of an article by Professor Treadwell, of Cambridge, 

 Massachusetts, directed to the Boston Society of Natural His- 

 tory, and containing a detailed account of the food required by 

 two young robins captured when about half grown. 



1862. Flagg, Wilson. Utility of Birds. Massachusetts Agri- 

 cultural Report, 1861, pages 70-78. 



Long essay on the economic value of birds, with numerous 

 notes on food habits of certain species, some of them from 

 original observations. 



1864. Michener, E. Agricultural Ornithology. Insectivorous 

 Birds of Chester County, Pennsylvania. United States 

 Department of Agriculture, Report, 1863, pages 287-307. 



The value of birds to the agricultural interests discussed, and 

 followed by a list of the birds of Chester County, Pennsylvania, 

 with the exception of the water species. Brief notes on the food 

 and habits of each bird are given. 



1864. Samuels, E. A. Mammalogy and Ornithology of New 

 England with special reference to Agricultural Economy. 

 United States Department of Agriculture, Report, 1863, 

 pages 265-286. 



Outlines of the classification of mammals, birds, and insects, 

 with brief notes on the economic importance of each order from 

 an agricultural stand-point. Also a more general discussion 

 of the relations between the birds and mammals and the farmer, 

 and the causes which tend to alter them. 



1865. Dodge, J. R. Birds and Bird Laws. United States De- 

 partment of Agriculture, Report, 1864, page 431. 



Treats of the uses of birds, the necessity of a balance in 

 animal production, value of birds as insect destroyers; the 

 refutation of false charges against them and manner of pro- 

 tecting them; and gives in conclusion a digest of the bird and 

 game laws then existing in most of the Eastern and Central 

 States. 



