532 



LAMELLIROSTRAL SWIMMERS — ANSERES. 



buff, the pileum and nape finely streaked ; rest of head and neck, and lower parts generally, 

 T)io\vnish white, the head and neck streaked with dusky, except on the chin and upper part of the 

 throat, the streaks more dense immediately before and behind the eye, thus forming an indis- 

 tinct stripe on the side of the head ; feathers of the lower parts generally with dusky grayish 

 brown centres, forming spots when exposed, less distinct on tlie abdomen, where sometimes 

 obsolete. 



Total length, about 16 inches ; extent, about 25 

 1.20-1.30 ; middle toe, 1.40-1.45. 



7.00-7.50; culmen, 1.40-1.65; tarsus, 



The Blue-winged Teal has a more restricted distribution than the Green-winged, 

 and is also a much more southern species. It is rarely to be met with north of 60° 



Female (nat. size). 



N. latitude, and, so far as is positively known, is not found on the Pacific coast 

 between the Gulf of California and Vancouver Island, although occurring on the 

 Pacific coast of Mexico and Central America, as well as, more sparingly, on the coast 

 of Alaska. It is supposed to breed in various favorable localities from Florida to 

 Labrador, and from INfazatlan to the 8askatche\van, but principally between latitudes 

 42° and 58° K., and most abundantly in the Mississippi Valley. It occurs sparingly 

 at Fort Resolution, Lake Winnipeg, Shoal Lake, and even at Port Yukon. 



Mr. Salvin found it common in the winter on Lake Duenas, in Guatemala, but not 

 remaining through March. Dr. Bryant gives it as common in winter at Bahamas. 

 It was also seen at Sultana IVIixtlan, in the Pacific coast region. Mr. G. C. Taylor 

 found it in Honduras, both at Tigre Island and on Lake Yojoya. 



It was met Avith in Western Mexico, near Mazatlan, by Colonel Grayson, in which 

 region he speaks of it as being a very common species, a few remaining throughout 

 the summer, and probably breeding there. IMr. Dresser found it common throughout 

 Northern Mexico and Southern Texas, where, as supposed by Dr. Heermann, it breeds. 

 Mr, K. B. Moore found Ducks of this species abundant in Florida, and believes that 

 some must breed in that State, as he has seen them in fresh ponds near Sarasota Lake 

 at every season of the year, and has killed the young in September on Miska 

 Lake. He thinks it probable that they breed on the islands, or about the shores of 

 Lake Okeechobee. 



Mr. Bernard Ross found this species abundant in the vicinity of Great Slave Lake, 

 where it was much more abundant than the Green-wing. IVIr. Kennicott met with it 

 east of the Rocky jVIountains only, where he found it nesting in rather open ground ; 



