896 LITERATURE CITED 



383. Vreelano, Fiikdkrick K. 1918. How A Ruffed Grouse Drums. Am. Game Proi. Assn. Bull. 7 

 (1) : 1214. 



.384. Wmmo. W. W. and E. B. FoitnKs. 1941. Tli.- Chemical Composition of Forest Fruits and Nuts From 

 Pennsylvania. Jour. Agri. Res. 62 (10) : 627-635. 



385. Warren, B. H. 1890. Report on the Birds of Pennsylvania, Harrisburg. 



386. Warren, D. C. and C. D. Gordon. 1935. The Sequence of Appearance, Molt and Replacement of 



the Juvenile Remiges of Some Domestic Birds. Jour. .'\gri. Res. 51 (5) : 459-470. 



387. Wayne, Artiii-r T. 1910. Birds of South Carolina. Daggett Print. Co.. Charleston. 



388. Weed, C. M. and Ned Dearborn. 1903. Birds in Their Relation to Man. J. B. Lippincott Co., Phila. 



389. Wehb, E. E. 1926. Earthworms as Transmitters of Capillaria annulala. the "Crop-Worm" of 



Chickens. N. Am. Vet. 17 (8) : 8-20. 



390. 1937. Observations on the De\elcipnient of the Puultrv Gapeworm Syngamus trachea. 

 Trans. Am. Mirr. Soc. 56 H) : 72-78. 



391. 1940. A New Intestinal Roundworm From the Ruffed Grouse in the United States. 

 Jour, of Parasitology 26 (5) : 373-375. 



392. Werby, H. J. 1928. The Trematode Genus Hormostomum. Trans. Am. Micr. Soc. 47 (1) : 68-81. 



.393. Wetmore, Alexander. 1937. Observations on the Birds of West Virginia. Proc. U. S. Nat. Museum 



84 (3021) : 401-441. 

 394 1940. A Check-List of the Fossil Birds of North America. .Smithsonian 



Misc. Coll. 99 (4). 



395. White, F. B. 1929. Birds and Motor Cars. Auk 46 (3) : 399. 



3%. Whitehead, F. E. 1934. The Effect of Arsenic, as Used in Poisoning Grasshoppers, Upon Birds. 

 Okla. Agri. and Mech. Coll. Agr. Exp. Sta. Bull. 218. 



397. Wight, H. M. 1930. Pheasant Management Studies In Michigan. Trans. .Am. Game Conf. 17 : 222. 



398. Wiioi s, H. S., Jr., L. C. Norris and G. F. Hedser. 1937. The Role of Manganese and Certain 



Other Trace Elements In the Prevention of Perosis. Jour, of Nutr. 14 : 15.i-167. 



399. WiLi.ETT, George. 1914. Birds of Sitka and Vicinity. Condor 16 <2i : 89. 



400. Wilson, Alexandeh. 1812. .Vmerican Ornithology. Bradford & Inskeep. Phila. 



401. Wing, L. W. 19.34, Cycles of Migration. Wil-an Bull. 46 (3) : 150-1.S6. 



402. 1935. Wildlife Cycles in Relation to the Sun. Trans. Am. Game ('.«»(. 21 : 345-363. 



403. 1937. Wildlife and Cycles. American Forests 43 (lOt : 512-513. 



404. ViouuRiKF, E. Seymour. 1908. The Ruffed (Arouse, A Study of the Causes For Its Scarcity in 1907. 



Annual Rept., N. Y. State Forest. Fish and Game Commission, 'for 19071 : 1,59-178. 



■U)5. Yapp, R. H. 1922, The Concept of Habitat. Jour, Ecology 10 : 1, 



