12. .Kjc. 73 



Keij to the iS^iecies. 



a. Basal portion of the upper mandible forms a very 



deep aujile between the feathering of the fore- 

 head and that of the lores ; feathers on the sides of 



the neck of the male normal ; inner terlials some- 



wliat broad, but with the sliaft straight ; under 



■wing-coverts and axillaries white spotted with 



blackish both in mak' and female sponsa, p. 73. 



h. Base of the upper mandible forms almost a straight 



line from the forehead to the corner of the mouth ; 



feathers ou the sides of the neck of the male 



much elongated, forming a conspicuous ruff" of 



narrow chestnut feathers striped with whitish ; 



innermost tertial very broad and with the shaft 



much bent downwards ; under wing-coverts and 



axilhiries uniform brownish grey both in male 



and female galericulata, p. 76. 



1 . Mx sponsa. 



Summer Duck, Cafexb. Canil. i. p. 07, pi. 97 ; Hdic. Birds, pi. 101 ; 



Lath. Sj/n. iii. 2, p. i)4H, n. 8o (1785). 

 Anas festiva, Briss. Orn. \\. p. 352, pi. xxxii. f. 2 (1760). 

 Anas sponsa, Linn. S. N. i. p. 207, n. 43 (176ti) ; Grn. S. X. i. 



2, p. 539, n. 43 (1788) : Lat/t. Lid. Orn. ii. p. 871, n. 97 (1790) ; 



Bonn. Enc. Meth. i. p. 130, pi. 35. f. 1 (1790) ; Wih. Am. Orn. 



viii. p. 97, pi. 70. f. 3 (1814); VieHl. X. I), v. p. 106 (1816); 



Dum. Diet. Sc. Xat. vi. p. 382 (1817) ; Lichf. Verz. Douhl. p. 85 



(1823); Sieph. Gen. Zool. xii. 2, p. 96 (1824); Bp. Obs. Wih. 



n. 261 (1825); Yim-ell, P. Z. S. 1830, p. 35 (Dorking); Benn. 



Gard. Sf Menaq. Zool. Soc, Birds, p. 281, with figure (1831); 



Less. Tr. d'Or'u. p. 634 (1831); Xutt. Man. ii. p. 394 (1834); 



And. Orn. Bioi/r. iii. p. 52 (1835), v. p. 618(1839); id. Si/n. 



p. 280 (1839) ; 'Vif/oni, Zool. Beechey's Voi/. p. 30 (1839); D'Orb. 



in La Sar/ra's Hist. Xat. Cuba, Ois. p. 288 (1840) ; Eei/s. S^- Bhs. 



WirbeUh. Eur. p. Ixxxiv (1840); And. B. Am. vi. p. 271, pi. 391 



(1843) ; Girand, B. Lonq Isl p. 312 (1844) ; De Kay, X. Y. Zool. ii. 



p. 3.38 (1844); Deyl. Orn. Eur. ii. p. 440 (1849); Wied,J.f. O. 



1859, p. 170. pi. 2. ff. 1, 2; Sc/dflff. Mus. P.-B., Anseres, p. 71 



(1866); Gieh. Thes. Orn. i. p. 362 (1872). 

 Beau Canjird hupjie' de la Caroline, D'Aubent. PI. Enl. 980, 981 



(rf $ ) ; I^"ff-_ It'^i- ^^"f- Ois. ix. p. 244 (1783). 

 Aix sponsa, Boie, L'iis, 1828, p. 329, u. 3 ; Bp. Comp. List, p. 57, 



n. 380 (1838) ; G. R. Gr. List B. Brit. Mu.^. iii. p. 133 (1844) ; 



ul. Gen. B. iii. p. 614. n. 1 (1845) ; Gos-w, B. Jam. p. 408 (l.'^7) ; 



Blyth, Cut. B. Mus. A. S. Ii. p. 305, u. 1783 (1849): Wood/i. 



Sitf/r. K<p. p. 102 (1853); Lic/it. Xomencl. Av. p. 102 (1854); 



Bp. Conipt. Rend. xl. p. 664 (1854), xliii. p. 6.-)0, n. 121 (1856) ; 



L. Brehm. Xuumannici, 1855, p. 298 : Cab. v.V Gundt. J.f. O. 1857, 



p. 226(Cuba) ; Xewb. P. R. R. Rep. vi. p. 102 ( 1857) ; Buird. B. X. 



Am. p. 785 (1858) ; id. Cat. X. Am. B. n. 587 (1859) ; A. Xewt. 



Ibis, 1859, p. 166; Sclaf. P. Z. S. 1859, p. 20ii (incubation); 



Homey. J. f. O. 1859, p. 372 (Zool. GiU-t.) ; Heerm. P. R. R. 



Rep. X. pt.'e, p. V)S (18.59) ; Coop. 6,- Suc/.l. X. H. Wash. Terr. 



p. 256 (1860); Gundl. J. f. O. 1861, p. 344 ; Albr. J. f. O. 1862, 



