19. ITESOCHEN. • 127 



Hartl. Arch. f. Naturg. 1852, i. p. 137 ; Licht. Nomencl. Av. 



p. 100 (1854); Sclat. P. Z. S. 1859, p. 206 (incubation) ; Dole, 



Pr. Bost. Soc. N. H. xii. p. 305 (1869) ; Peh. Verh. z.-b. Ges. 



Wien, 1873, p. 159 ; Gidliv. P. Z. S. 1875, p. 488 ; Dole, Hami. 



Aim. 1879, p. 54 ; Finsch, Ibis, 1880, p. 81 ; Sclat. P. Z. S. 1880, 



p. 504 ; Salv. Cat. B. StricM. Coll. p. 529, n. 2577 (1882) ; Sclat. 



List Vert. ^n. 8th ed. p. 423, n. 965 (1883) ; Montluz. Bull. Soc. 



Acclim. 1886, p. 146, fig. p. 147 ; Tristr. Cat. Coll. B. p. 51 (1889) 



(type !) ; Scott Wils. Aves Hawai. pt. iv. pi. — (1893). 

 Bernicla sandwicensis, Less. Compl. de Buff., Ois. ix. p. 526 (1837) ; 



id. op. cit. 2nd ed. p. 717 (1838) ; Bjh Compt. Rend, xliii. p. 648, 



n. 32 (1856) ; Cass. U.S. Expl. Exped., Mamm. ^- Orn. p. 338 



(1858) ; G. R. Gr. Cat. B. Trop. hi. p. 54 (1850) ; Hartert, Kat. 



Vogelsamml. p. 227, n. 3365 (1891) ; Sharpe, Cat. Osteol. Spec. 



Coll. Surg. iii. p. 293 (1891). 

 Chloephaga sandvicensis, Eyt. Men. Anat. p. 81 (1838) ; id. Syn. 



Anat. p. 26 (1869) ; Sclat. P. Z. S. 1869, p. 529. 

 Anser ba-naiiensis, Eyd. ^- Soid. Voy. Bonite, Zool. i. p. 104, pi. 10 



(1841). 

 Anser hauaiensis, Peale, U.S. Expl. Exped., Birds, p. 249, pi. lix. 



(1848). 

 Anser hawaiensis, Hartl. Arch.f. Naturg. 1852, i. p. 122. 

 Tffinidiestes sandvicensis, Rclmb. Av. Syst. Nat. p. ix (1852). 

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



Anseres, p. 106 (1866). 

 Leucopareia sandwicensis, G. R. Gr. Hand-list, iii. p. 76, n. 10582 



(1871) ; Hein. ^- Rchmc. Norn. Mus. Hein. Orn. p. 342 (1890). 

 Anser (Brenthus) sandvichensis, Rchmc. Orn. Cenfralbl. 1882, p. 36 ; 



id. Vog. zool. Gdrt. p. 64 (1882). 



Adult male. Head and throat black, which colour extends a little 

 below the eye and down the back of the neck ; sides of the neck 

 tawny buff, becoming lighter towards the lower part, the feathers 

 blackish at their bases, giving the neck a mottled or striped appear- 

 ance ; upper surface dark umber, the feathers barred with dull 

 whitish ; rump dusky black ; upper tail-coverts whitish ; breast 

 and belly pale greyish brown, feathers darker on flanks, jarred 

 with umber and whitish at the tips ; abdomen and under tail- 

 coverts pure white ; quills and tail dusky black : " irides dark 

 hazel; bill and feet black" (Scott Wilson). Total length 22-5 

 inches, wing 14*3, tail 6, culmen 1'6, tarsus 2-8. 



Female. The black e'steuding further down the throat, and 

 occupying a greater space below the eye ; feathers on flanks paler 

 than in the adult male ; lower breast not so pale, but uniform in 

 colour with the flanks {Scott Wilson). 



Toung. Similar to the' female. 



Toung in down. Upper parts greyish brown ; forehead, sides of 

 the head, throat, and middle of the underparts whitish ; a white 

 spot on each side of the back at the base of the wing. 



Hab. Sandwich Islands. 



a-e. Ad. et pull. st. Sandwich Islands. Zoological Society. 



f. Skeleton. Zoological SocietV. 



