28. zosibyx. 239 



outer web and at the tip, having also white shafts ; inner small 

 secondaries tipped with white; tail-feathers brown, shaded with 

 blackish sub-terminally and fringed with white, developing on the 

 outer tail-feathers, the ante-penultimate one broadly tipped and 

 edged with white, the penultimate one almost entirely white, with 

 only a small brown spot beyond the half of the inner web ; outer 

 tail-feather entirely white ; head brown like the back ; lores, base 

 of forehead, and sides of face and ear-coverts ashy grey, separated 

 from the crown of the head by a broad band of white, which crosses 

 the forehead and is continued into a broad eyebrow, extending 

 to the sides of the occiput ; upper throat paler ashy grey, the chin 

 whitish ; lower throat, fore-neck, and chest orange-chestnut, fol- 

 lowed by a broad pectoral band of black ; sides of upper breast pale 

 brown like the sides of the neck ; remainder of under surface of 

 body pure white ; thighs brown ; axillaries and under wing-coverts 

 white ; outer wing-coverts and lower primary-coverts light ashv 

 brown, like the quill-linings : " bill black ; feet greenish grey " 

 ( 11. Burnwister) ; " iris brown " (J. Bridges). Total length 7 inches, 

 culmcn - 8, wing 5*4, tail 2-3, tarsus 1*2. 



Adult female. Resembles the male. Total length 7*3 inches, 

 culmen - 9, wing 5*45, tail 2 - 2, tarsus 1"15. 



Adult in winter plumage. Similar to the summer plumage above, 

 but differing in the colour of the underparts ; throat white : lower 

 throat, fore-neck, and chest ashy brown washed with sandy buff, 

 and only a slight indication of a line of black below. 



Young. Distinguished by its black upper surface, streaked with 

 buffy-white margins to the feathers, the wing-coverts brown with 

 sandy margins ; chest-band sandy brown, mottled with subterminal 

 bars of blackish. 



Hab. Falkland Islands ; South America from Tierra del Fuego 

 to Buenos Ayres on the east and Tarapaca on the west. 



a. Ad. sk. Falkland Islands. Salvin-Godman Coll. 



b, c. Ad. ; d, e,f. Falkland Islands. Antarctic Expedi- 

 Juv. sk. tion. 



g. d ad. sk. Falkland Islands. Voy. II.M.S. 'Chal- 



lenger.' 

 h. $ ad. sk. Berkeley Sound, E.Falklandfl, McCormici Bequest 



Not. 23 (JR. McCormick). 

 i,k. Ad.sk. Tierra del Fuego (C. bar- Zoological Society. 



""<"). I Types of 8. cincta.) 



I. Ad. sk. Hermit Island. Antarctic Expedi- 



tion. 

 tn. cj juv. >k. Port Famine, Straits of Ma- Voy. II.M.S. ' Chal- 



geUan. fenger.' 



w. $ ad. sk. Gray Harbour, Messir Chan- Voy. J I. M.S. ' Chal- 



nel. lenger.' 



o. Ad. sk. Porto Bueno, Jan. 9. Voy/H.M.S. 'Chal- 



lenger.' 

 p. cj juv. sk. Puerto del Morro, Feb. 5 (Dr. Voy. II.M.S. ' Alert.' 



Copping) r). 

 q, r. & 2 ad. sk. Cockle Cove, Straits of Magel- Salvin-Godman Coll. 



Ian, Oct. 1C> ( Dr.Coppingt p). 

 t. Ad.sk. TomBay,Feb.(Z>r.G»ppB»yer). Voy. II.M.S. "Alert.' 



