168 



the black ring round the neck ornamenting the male. The in- 

 testinal canal twice the proportional length of tliat of the Plec- 

 tropterus. 



Genus Anas, Auct. 



216. Anas strepera, Linn., 1. 200. Chipeau, Buff, PI. Enl. 958. 



Chestnut lesser voing-covert Duc/c. 

 Malęs identical with specimens in the British Museum from Kent. 

 No females for comparison. Length, inclusive of tail, male 

 24- to 25 inches, femaJe 22 inches ; tail 4 inches. Numerous 

 in Dukhun. Gregarious. A tape-worm was found protruding 

 through the coat of the intestine in one bird, vvithout afFecting 

 its health or flesh. 



Genus Rhyiichaspis, Leach, M SS. 



217. Rhynchaspis virescens, Leach, MSS. Anas clijpeata, Linn., I. 



200. 5ouc/ie^Buff., Ois.9. 191. PI. Enl. 971, 972. Black- 



headed Shoveler. 

 Identical with British specimens of the common Shoveler ; but 

 differing from the description of that bird in Shavv. Irides 

 yellovvish brovvn. Length, inclusive of tail, 20 to 21 inches; 

 tail 4' inches. Grass seeds, vegetable raatters, pulse-like seeds, 

 and gravel found in the stomach. Gregarious. Tiie intestinal 

 canal is more than seven tinies as long as the body, neck, and 

 biil included ; and in this particular is not approached vvithin 

 nearly two-sevenths by any other bird of the order Natalores. 



Genus Mareca, Steph. TVigeon. 



218. Mareca pcecilorhyncha , Steph , 12. 134. Anas pcecilorhi/ncha, 



Gmel., 1 . 535. Spotted-billed Duck, Lath. 

 Irides red fuscous brovvn. Length, inclusive of tail, Ž2 to 25 

 inches; tail 4 to 4į inches. Sexes alike in plumage. Grass 

 seeds, vegetable matters, and small stones found in the gizzard. 

 Colonel Sykes's birds identical vvith a specimen in the British 

 Museum, from the Himalayan mountains. The spot at the 

 end of the bill invariabiy }'ellow, but in books it is stated to be 

 white. The digastric musele thicker than the diameter of the 

 cavity of the gizzard. Colonel Sykes does not consider this 

 species a true Mareca. 



219. Mareca Jistularis, Steph., 12. 131. Anas Penelope, Linn., 1. 



202. Canard Siffleur, Buff., Ois. 9, 169. PI. Enl. 825. 



JVigeon. 



Irides red fuscous brovvn. Length, inclusive of tail, 19 to 20 



inches (malęs), 18^ to 19 inches (females); tail 3i to 3|- inches. 



Gregarious. Absolutely identical vvith specimens from Devon- 



shire. Contents of the gizzard as in the preceding species. 



220. Mareca Awsuree. Mar.nigrescenti-brunnea; plumarum sca- 



pularium dorsiąue apicibus Jlavescenti-brunneis ; tegminibus 

 alarum minoribus caudcBque superioribus saturate castaneis ; 

 vertice linedque cervicali Jiiscis ; capite, colio, pectoregue pal- 

 lidi Jlavescenti-brunneis, ventre uropijgioque saiuratioribus 



