(160) Phillips, John C. 



A natural history of the ducks. 4 vols., illus. (color plates). 

 (Vol. I, Plectropterinae , Dendrocygninae, Anatinae (in part), 

 xi + 264 pp., 1932. Vol. II, Genus Anas, xii + 409 pp., 1923. 

 Vol. Ill, Anatinae (concluded) and Fuliguliriae (in part), xi 

 383pp., 1925. Vol. IV, Fuligulinae (concluded), Oxyurinae, 

 Merganettinae, and Merginae, xi + 489 pp., 1926.) Houghton 

 Mifflin Co., Boston, Mass., and New York, N. Y., Riverside Press, 

 Cambridge, Mass. 1922-26. 



(161) and Lincoln, Frederick C. 



American waterfowl, their present situation and the outlook for. • 

 their future, xv + 312 pp., illus. Houghton Mifflin Co., 

 Boston, Mass., and Hew York, N. Y., Riverside Press, Cambridge, 

 Mass. 1930. 



(162) Pirnie, Miles D. 



Michigan waterfowl management, xxi + 328 pp., illus. Mich. De"ot. 

 Conserv., Game Div., Lansing, Mich. 1935. 



(163) Purina Mills. 



Game bird raising. Up-to-date methods in this gro\tfing money-making 

 industry. 10 pv,, illus. Purina Mills, Poultry Dept., St. Louis, 

 Mo. 1934. (Processed.) 



(164) Rae, Thomas. 



Profitable game bird management. 3d. 4, 62 ~pv . , illus. Beacon 

 Milling Co., Cayuga, IT. Y. 1941. 



(165) Roberts, Thomas S. 



The birds of Minnesota. Vol. I. xxii + 691 pp., illus. (50 

 color plates). Univ. Minn. Press, Minneapolis, Minn. 1932. 

 (Anseri formes, pp. 198-291; Galliformes, pp. 366-428.) 



(166) Rockel, W. M., Jr. 



How to raise game for profit. 47 pp., illus. Peters Cartridge 

 Co., Kings Mills, Ohio, 1932. 



(167) Romanoff, Alexis L. 



S-tudy of artificial incubation of game birds. (I. Temperature 

 requirements for pheasant and quail eggs. II. Humidity re- 

 quirements for pheasant and quail eggs.) Cornell Univ., Agr. 

 Exp. Sta. Bull. 616, 39 pp., illus. Ithaca, N. Y. 1934. 



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Study of artificial incubation of game birds. (III. Effects of 

 air movement on the incubation of pheasant and quail eggs. 

 IT. Interrelations of temperature, humidity, and air movement 

 in the incubation of pheasant and quail eggs.) Cornell Univ., 

 Agr. Exp. Sta. Bull. 687, 30 pp., illus. Ithaca, H. Y. 1938. 



(169) Bump, Gardiner; and Holm, Earl. 



Artificial incubation of upland game birds' eggs. N. Y. State 

 Conserv. Dept. and U, Y. State Coll. Agr., Cornell Univ., 

 Bull. 2, 44 r>p., illus. N. Y. State Conserv. Dept., Albany, 

 N. Y. 1938. 



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