IS3. PLUVIANELLUS. 303 



Young birds, according to Mr. Gould, may be known by having 

 the feathers of the back and upper surface narrowly fringed with 

 brownish black. 



Hah. Australia and Tasmania. 



a. Ad. ; b. Juv. Australia. Purchased. 



St. 



a Ad. sk. Australia. Gould Coll. 



d. Ad. sk. Australia. II. Brown, Esq. [P.]. 



e,f. Ad. sk. Queensland. Salvin-Godman Coll. 



y. J ad. sk. Ulladulla, New South Wales, Hume Coll. 



July. 



h, i. Ad. sk. South Australia. Sir G. Grev [P.]. 



k. <J ad. ; I. Ad. Flinders Island, Bass' Straits, Voy.H.M.S. 'Herald.* 

 sk. Jan. 17 (F. M. Rayner). 



33. PLUVIANELLUS. 



Type. 



Pluvianellus, Jacq. et Pitcher. Voy. Pole Sud, Zool. iii. 



p. 124 (1853) ' P. sociabilis. 



Range. Confined to Patagonia. 



1. Pluvianellus sociabilis. 



Pluvianellus sociabilis, Jacq. et Pucker. Voy. Pole Sud, Zool. iii. 



p. 125, pi. 30 (1853 : Straits of Magellan) ; Gray, Uand-l. B. iii. 



p. 22, no. 10071 (1871). 

 Pluvianellus soeialis, Gray, Gen. B. iii. p. 549 (1846). 

 Strepsilas sociabilis, Giebel, Thes. Orn. iii. p. 541 (1877). 

 Charadrius sociabilis, Seebohm, Geoyr. Distr. Charadr. p. 107, pi. ii. 



(1^88: Tova Harbour, Patagonia); Oust Miss. Sci. Cap Horn, 



Ois. p. 288 (1891). 



Adult. General colour above light grey or dove-colour ; wing- 

 coverts like the back, the greater series tipped with white, forming 

 a wing-bar ; bastard-wing and primary-coverts blackish brown, 

 the inner ones of the latter series tipped with white ; quills blackish 

 brown on the outer webs and at the end of the inner web, paler 

 grey on the inner web, the feathers white-shafted for more than 

 their terminal half, and the inner primaries white for some distance 

 along the outer web ; secondaries white at the base, brown near 

 the end of the outer web ; this brown colour gradually diminishing 

 in extent towards the inuer secondaries, which are quite white, 

 the innermost long secondaries grey like the back ; median upper 

 tail-coverts blackish, the lateral ones white; centre tail-feathers 

 blackish, with some white on the outer web, the next pair white on 

 the outer web, blackish on the inner one, the remainder white, 

 dusted with brown on the outer web ; crown of head like the 

 back, the forehead inclining to whitish ; lores dusky ; sides of face 

 and throat greyish white, becoming darker grey on the car-coverts 

 and sides of neck, which resemble the back ; across the fore-neck 

 and chest a broad band of light brown, washed with ashy ; 



