418 MR. R. SWINHOE ON THE BIRDS OF CHINA. [May 2, 



axillaries pure white. Size about that of A. pcecilorhyncha. The 

 female is smaller than the male, and has the blotched yellowish of the 

 breast extending to the abdomen. In A. pcecilorhyncha the breast 

 and belly are nearly white, covered with round brown spots. The 

 speculum of our bird is greener in some specimens ; and some show 

 a little white on the overlapping wing-coverts in rear of their black 

 tips, and have more or less white on the outer webs of the tertials. 



630. Tadorna cornuta (Gmel.). 



Tadorna vulpanser, Flem. ; Ibis, 1861, p. 344, 1862, p. 254. 

 Anas cornuta, S. G. Gmel. It. ii. p. 185. 

 China coast in winter. 



631. Casarca rutila (Pall.) ; Ibis, 1861, p. 344, 1862, p. 254. 

 Common, in winter, on inland waters ; rare on the coast. 



632. Spatula clypeata (L.). 



Rhynchaspis clypeata, Swinh. Ibis, 1861, p. 57, 1862, p. 254, 

 1867, p. 388. 



Abundant in South China and Formosa in winter. 



633. Dafila acuta (L.) ; Ibis, 1861, p. 345, 1867, p. 399. 

 China and Formosa in winter. 



634. Mareca penelope, L. ; Ibis, 1861, v. 345, 1867, p. 399, 

 1870, p. 366. 



Abundant in South China and Formosa in winter. 



635. Chaulelasmus streperus (L.). 

 Procurable in the Shanghai market in winter, but rare. 



636. Querouedula crecca (L.) ; Ibis, 1861, p. 345, 1865, 

 p. 347, 1867, p. 399, 1870, p. 366. 



Abundant everywhere in China and Formosa during winter. 

 This species, the Wigeon, and the Shoveller are the commonest 

 winter Ducks in South Formosa. 



637. Querquedula circia (L.) ; Ibis, 1863, p. 434, 1867, 

 p. 407; P. Z. S. 1870, p. 427. 



Probably breeds in South China, but is rare. Has occurred also 

 in Formosa. 



638. Aix galericulata (L.) ; Ibis, 1866, p. 295; P. Z.S. 1863, 

 p. 324. 



I think, throughout China, breeding in many localities. Found 

 also resident in the interior of Formosa. 



(i.39. Eunetta Formosa (Georgi) ; Ibis, 1867, p. 394. 

 Anas glocitans, Pall. ; Ibis, 1861, p. 344, 1867, p. 231, 409. 

 Abundant throughout China in winter. 



