THAYER AND BANGS: AVES. 151 



ANATIDAE. 



MELANONYX SEGETUM SERRIROSTRIS (Swinhoe). 



Three specimens, all youngish, one male and two females, Shasi, Hupeh, 

 and Changshowhsien, Szechwan, February. 



Immense numbers of geese were seen in the low country but they were 

 extremely wary, and a rifle could not be used on account of the dense popula- 

 tion. Other species, as well as swans, were seen. 



ANAS PLATYRHYNCHOS Linn6. 



Sixteen specimens, both sexes, Ichang, Kunganhsien, Hsienshanhsien, 

 Hupeh, and Kiating, Washan, Kungyahsien, Chiachianghsien, and Yachow, 

 Szechwan, taken throughout the winter, November to March. 



POLIONETTA ZONORHYNCHA (Swinhoe). 



Eleven specimens, both sexes Kiating, Kungyahsien, Chiachiang, and 

 Yachow, western Szechwan, all taken in December. 



MARCEA PENELOPE (LinnS). 



Two males, one in immature the other in full adult plumage, Kiating, and 

 Washan, western Szechwan, October, and December. ' 



NETTION FORMOSUM (Georgi). 

 One adult female, Ichang, Hupeh, November 26, 1907. 



NETTION CRECCA (Linne"). 



Twenty-one specimens, both sexes, Ichang, Changyanghsien, Shasi, and 

 Yangtze near Shasi, Hupeh, and Yachow, Kiating, Kungyahsien, and Washan, 

 Szechwan, taken throughout the winter from October to March. 



DAFILA ACUTA (Linn6). 

 One female, Washan, western Szechwan, 6,000 feet, October 25, 1908. 



QUERQUEDULA QUERQUEDULA (Linne"). 



Five specimens, both sexes, Ichang, Hupeh, and Washan, western Szechwan, 

 October. 



