1955 



Mayhew, W. W. 1955. Spring rainfall in relation to Mallard production in the 

 Sacramento Valley, California. J. Wildl. Manage. 19: 36-47. 



Miskiraan, M. 1955. Meteorological and social factors in autumnal migration of 

 ducks. Condor 57: 179-184. 



1954 



Boyd, H. 1954. Some results of recent British Mallard ringing. Wildfowl 

 Trust Annu. Rept . 6: 90-99. 



Buechels, C. L. and D. Mosler. 1954. Close nesting of Mallard and Marsh Hawk. 

 Murrelet 35: 10. 



Coulter, C. W. 1954. Some observations of Mallards in central Maine. Bull. 

 Maine Audubon Soc. 10: 20-23. 



Elder, W. and M. Weller. 1954. Duration of fertility in the domestic Mallard 

 hen after isolation from the drake. J. Wildl. Manage. 18: 495-502. 



Hanson, H. C. 1954. Criteria of age of incubated Mallard, Wood Duck, and Bob- 

 white eggs. Auk 71: 267-272. 



Mylne, C. K. 1954. Mallard diving for food. Brit. Birds 47: 395. 



Szczepski, J. B. 1954. Najstarsza krzyzowka swiata. [The oldest Mallard in 

 the world.] Lowiec . Pol. 11: 12. [In Polish.] 



1953 



Coulter, M. W. 1953. Mallard nesting in Maine. Auk 70: 490. 



Larionov, V. F. 1953. [Peculiarities of breeding and migration of the Mallard 

 in connection with locality.] Zool. Zh. 32: 112-115. [In Russian.] 



Rainey, D. 1953. Feeding of Mallards prevented by crows. Wilson Bull. 65: 41. 



1952 



Balham, R. W. 1952. Grey and Mallard ducks in the Manawatu district, New Zea- 

 land. Emu 52: 163-191. 



Johnson, C. D. 1952. Life history and ecology of the Mallard Duck ( Anas platy- 

 rhynchos platyrhynchos L. in Utah. M.S. thesis, Univ. Utah/Logan, UT. 

 v and 126 pp. 



Singleton, J. R. 1952. His Majesty the Mallard. Texas Game Fish 10: 6-7. 



198 



