890 APPENDIX. 
COUES KEY, 1884. UNION LIST. 1886. 
726. Clangula islandica. 152. Glaucionetia islandica. 
727 albeola. 153. Charitonetta albeola. 
728. Harelda glacialis. 154. Clangula hyemalis. 
729. Camptolemus labradorius. 156. Camptolaimus labradorius. 
730. Histrionicus minutus. 155. Histrionicus histrionicus. 
731. Somateria stelleri. 137. Eniconetta stelleri. 
732. fischeri. 158. Arctonetta fischeri. 
733. mollissima. 159. Somateria mollissima. 
734. mollissima dresseri. 160. dresseri. 
735. v-nigrum. 161. v-nigra. 
738. spectabilis. 12. spectabilis. 
737. CEdemia americana. 163. Oidemia americana. 
p6t.] fusca. 
730 bis. Add: GGdemia fusca. European ScoTer. The true scoter of Europe and 
Asia (of which our velvet scoter may be a recognizable variety, as long ago pointed out by 
Cassin and Bonaparte) has occurred in Greenland and Alaska as a straggler from the Old 
World, and may therefore take place in our list. It is distinguished from the American 
O. f. velvetina by a somewhat different outline of the feathers upon the base of the upper 
mandible, leaving the length of the culmen greater than the lateral length of the bill from 
the loral feathers along the side to the tip; and by a black stripe in the red of the bill. 
738. CEdemia fusca velvetina. | 165. Oidemia deglandi. 
739. perspicillata. ' 166. perspicillata. 
740. perspicillata trowbridgii? 000. “Not admitted in the List.) 
741. Erismatura rubida. 167. Erismatura rubida. 
742. Nomonyx dominica. [168.] Nomonyx dominica. 
743. Mergus merganser.! . 129. Mergauser americanus. 
T4H4. serrator. 180. serrator. 
T45. cucullatus. 131. Lophodytes cucullatus. 
746. Sula bassana. 117. Sula bassana. 
Th. leucogastra. 115. sula. 
114. cyanops. 
T4v bis. Add: Sula cyanops. Bire-racep Boosy. Adult ¢@: White: greater 
wing-coverts, bastard quills,. primaries and their coverts, dusky brown; tail-feathers the 
same, the middle pair mostly whitish and the others whitish at the bases; face and gular sac 
blue, drying blackish: feet light red. Young: Head, neck. and upper parts dark grayish- 
brown; lower parts from the neck white; middle of back and upper part of rump streaked 
with white, flanks with gray. Wing 14.50; tail 7.75; bill along culmen 3.50, its depth at 
base 1.25; tarsus 1.75; middle toe 2.25. A species of wide distribution in warm seas, in- 
habiting the West Indies and occasionally occurring in southern Florida. It should have 
been admitted to the second edition of the Key. 
| 116. Sula piscator. 
747 ter. Add: Sula piscator. Rep-rootep Boosy. Adult $ 9: White; head and 
neck tinged with buff: wing-feathers, primary coverts. and greater secondary coverts slate-gray< 
shafts of tail-feathers pale yellow. Feet coral-red : iris brown; gular sac black; bare space 
I As pointed out by Mr. Cassin in 1853, the American sheldrake may be recognized, in comparison with the 
European, by the black bar which partly divides the white area on the wing, and s»me average difference in the 
bill, which is shorter than that of the true M. merganser, (Pr. Phila. Acad. 1853, p. 187 ) 
