AVIFAUNA OF LAYSAN, ETC. 



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79. NESOCHEN SANDVICENSIS (r v .) 



KENE. 



" Geese— nut unlike the Chinese Geese," Ellis, Narrat. Voy. ii. p. 143 (1782). 



Bernicla sandvicensis , Vig. P.Z. S. 1833, p. 65 (descr. nulla) j id. op. cit. 1834, p. 43 (diagnosis) ; Stanley, 



torn. cit. p. 41 (hatched in England) j Jard. & Selby, 111. Orn. ser. 2, pi. viii. (1836) ; G. R. Gray, 



Gen. B. iii. p. 607 (1814) j Reichenb. Syn. Av., Natat. pi. 99. figs. 2355, 2356 (1850) j Hartl. Arch. f. 



Naturg. 1852, i. p. 137; Scl. P.Z. S. 1859, p. 206 (incubation) ; Dole, Proc. Bost. Soc. Nat. Hist. xii. 



p. 305 (1869) (Hawaii and Maui) j id. Hawaiian Almanac, 1879, p. 54; Pelz. Verh. zool.-bot. Ges. 



Wien, 1873, p. 159; Finsch, Ibis, 1880, p. 81; Scl. P.Z. S. 1880, p. 504; Montluz. Bull. Soc. Accl. 



1886, pp. 146, 147 (fig.); Tristram, Cat. Coll. B. p. 51 (1889) ("type"); Wilson & Evans, Aves 



Hawaiiens. pt. iv. plate & text (1893). 

 Chlo'ephaga sandvicensis, Eyton, Mon. Anat. p. 81 (1838) ; id. Syn. Anat. p. 26 (1869). 

 Anser hawaiiensis, Eydoux & Souleyet, Voy. *' Bonite/ Zool. i. p. 104, pi. x. (1841). 



Anser hauaiensis, Peale, U.S. Expl. Exp., B. p. 249, pi. lix. (Anser hawaiensis) (1848); Hartl. Arch. f. 

 Naturg. 1852, i. p. 122. 



Bernicla sandwichensis , Cass. U.S. Expl. Exp., Mamm. & Orn. p. 348 (1858) ("Apparently peculiar to 



Hawaii ") ; Gray, Cat. B. Trop. Is. p. 54 (1859) (Hawaii). 

 Anser sandwicensis, Schleg. Dierent. p. 278 (1864) ; id. Mus. P.-B., Anseres, p. 106 (1866). 

 Branta (Leucopareia) sandwichensis, Gray, Hand-1. B. iii. p. 76 (1871). 



Anser (Brenthus) sandvichensis, Reichen. Orn. Centralbl. 1882, p. 36; id. Vog. d. Zool. Giirt. p. 64 (1882). 

 Nesochen sandvicensis, Salvadori, Cat. B. Brit. Mus. xxvii. p. 126 (1895). 



Adult male. Chin, throat, sides of head to about 1 cm. beyond the eye, and crown black. 

 The black of the crown runs in a narrow band along the back of the neck and joins a 

 narrow brownish-black collar which encircles the lower neck. Remainder of sides 

 of head and neck brownish buff; the neck-feathers narrow and pointed, and arranged in 

 wavy lines so as to show the blackish bases of the feathers and producing an irregularly 

 striped appearance. Upperside dark umber-brown, with brownish-white tips to the 

 feathers (not bars, as described in several works). Hump dusky black ; upper tail- 

 coverts white, sometimes slightly mottled with brown. Primaries dusky black. 

 Secondaries blackish brown, outer webs paler and more hoary brown. , Eectrices 

 brownish black. Entire chest, breast, and middle of abdomen pale greyish brown ; 

 feathers on sides of breast and abdomen and flanks with wide brownish-white tips and 

 a subterminal brown bar. Vent and under tail-coverts white. Iris dark hazel ; bill 

 black; feet blackish. Total length about 28 inches, wing 14 to 15, tail about 6, culmen 

 1*8 to 185, metatarsus 3, middle toe with claw 3'5. 



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