BiEDS OF Indiana. 637 



23. Qbnus OIDEMIA Fleming. 



o'. Wing with large white patch; frontal feathers not reaching farther forward 

 than those on sides of culmen. Subgenus Melanitta Boie. 



O. deglaudi Bonap. 48 

 a''. Wing with no white patch ; frontal feathers reaching nearly or quite to nostrils, 

 none on sides of culmen. Subgenus Pbltonbtta Kaup. 



O. perspicillata (Linn.). 49 



Subgenus Melanitta Boie. 



48. (165). Oidemia deglandi Bonap. 



Velvet Scoter. 



Synonym, White-winged Scoter. 



Adult Male. — Blackj speculum and patch under, eye, wMte; feet, 

 orange red, with, dusky webs; bill, black, broadly tipped with orange. 

 Female. — Sooty brown, grayish below; whitiflh about head; speculum, 

 white. 



Length, about 21.00; wing, 10.65-11.40; bill, 1.40-1.70; depth of 

 upper mandible at bas% 1.10-1.30; tar&us, 1.80-2.10. 



Kange. — ^Northern Forth America. Breeds from Labrador and 

 Manitoba to Alaska and Arctic coasts; south in winter to Chesapeake 

 Bay, southern Indiana and southern Illinois. 



Nest, on ground, near fresh water; of twigs, mosses, etc. Bggs, 

 usually 6; pale buff, varying to green; 2.68 by 1.83. 



Bare winter viator. More numerous on Lake Michigan. 



Dr. Haymond records it from Franklin County "as numerous in 

 winter" (Ind. Geol. Sept., 1869, p. 223). Mr. Euthven Deane in- 

 fonns me that a bird of this species was taken at English Lake the 

 latter part of October or early part of November, 1889. Two more 

 were killed there early in November, 1890, after a heavy blow off Lake 

 Michigan. Mr. J. G. Parker, Jr., says it is found on Lake Michigan 

 during the winter months, but is rare. This duck ha.s been taken on 

 the Illinois Eiver (Nelson); at St. Louis, Mo. (Allen); on the Scioto 

 Eiver, near Columbus, 0.; at Licking Eeservoir; in the vicinity of 

 Cleveland and Sandusky Bay. Dr. J. M. Wheaton, Birds of Ohio, p. 

 538.) 



Subgenus Pelioiitta Kaup. 



49. (166). Oidemia perspicillata (Linn.). 



Surf Scoter. 

 Synonym, Surf Ditck. 



'Adult Male. — Black, with patch of white on the forehead and an- 

 other on the nape; none on the wing; bill, orange red, whitish on the 

 sides, with a large circular black base. Female. — Smaller; sooty brown; 



