424 ANATID^. 



Type. 

 Erionetta (subgen.), Cones, Key N. Amer. B. 2nd ed. 



p. 709 (1884) S. spectabilis. 



Range. Confined to Arctic and Subarctic regions. 



Key to the Species. 



a. Anterior point of feathering on forehead reaching 



about halfway from the point of the naked 



frontal angles to nostrils ; feathering of lores 



extending forward to beneath the middle or 



posterior end of nostrils. Males with scapulars 



and tertials white ; the upper half of the head 



chietly black. 



a'. Naked frontal angles broad, and terminating in 



a broad round end. Male with the throat 



entirely white (but some specimens with a 



trace of a V-shaped dusky mark) ; black of 



head bordered beneath by pale green for nearly 



its entire length dresseri, p. 424. 



h'. Naked frontal angles narrow and more or less 

 pointed. 

 a". Throat of the adult male entirely white ; 

 black of head with no green border beneath, 



except on the occiput mollissima, p. 425. 



b" . Throat of the adult with a large V-sliaped 



mark of black v-nigrum, p. 430. 



b. Anterior point of feathering on forehead reaching 



as far as posterior end of nostrils. Adult inales 

 with lateral base of upper mandible enlarged 

 into a very conspicuous broad naked lobe (subgen. 

 Erionetta) ; upper part of the head light bluish 

 grey ; throat with a V-shaped black mark, as in 

 the male of S. v-nigrum spectabilis, p. 432. 



1. Somateria dresseri. 



Anas mollissima, Wils. {nee Linn.) Am. Orn. viii. p. 122, pi. 71 

 (1814) ; Bp. Speech. Comp. p. 72, n. 247 (1827) ; Less. Tr. d'Orn. 

 p. 631 (part.) (1831). 



Anas (Fuligula) mollissima, Bp. Obs. Wils. n. 244 (1825). 



Fuligula mollissima, Bp. Ann. Lye. N. Y. ii. p. 388 (1826) ; id. Syn. 

 p. 388 (1828) ; And. Orn. Biogr. iii. p. 344 (1835), v. p. 611, 

 pi. 246 (1839) ; id. Syn. p. 29i (1839) ; id. B. Am. vi. p. 349, 

 pi. 405 (1843) ; De Kay, N. Y. Zool. ii. p. 332 (1844); Giraud,B. 

 Long hi. ^. 331 (1844). 



Fuligula (Somateria) mollissima, Nutt. Man. ii. p. 407 (1831). 



Somateria mollissima, Bp. (nee Linn.) Comp. List, p. 57, n. 381 

 (1838); Baird, B. N. Am. p. 809 (part.) (1858); id. Cat. B. N. 

 Am. n. 666 (part.) (1859) ; ? Cass. Pr. Ac. Philad. 1861, p. 239 

 (Labrador); Bryant, Pr. Bast. Soc. N. H. viii. p. 66 (Labrador) 

 (1861) ; Boardm. Pr. Bast. Soc. N. H. ix. p. 139 (Maine) (1862) ; 

 Verr. Pr. Ess. Inst. p. 159 (1862) ; Blakist. Ibis, 1863, p. 150 

 (Hudson's Bay) ; Laior. Ann. Lye. Nat. Hist. N. Y. viii. p. 297 

 (Atl. Coast N. Am.) (1866) ; Degl. ^ Gerbe, Orn. Eur. ii. p. 557, 

 obs. 2 (1867) ; Coues, Pr. Ess. Inst. v. p. 300 (1868) ; Turnb. 

 Birds E. Pa. p. 46 (New Jersey) (1869) ; G. E. Gr. Hand-list, iii. 



