136 THE PROCEEDINGS OF THE LINNEAN SOCIETY 



feathers on the central portion of the breast below, narrowly 

 margined with dull white ; tail brown, the two outer feathers, 

 broadly margined with white, or altogether white, mesially shaded 

 with brown towaixls the tip ; total length from tip of bill, 7'6 

 inches ; bill from forehead, 0*7 ; from gape 0"8 ; from the anterior 

 or margin of nostril 043 ; wing 5-15 ; tail 2 - 2 ; tarsus 1*15. 



Hab. — North-East of Australia, from Rockingham Bay to Cape 

 York. 



Remarks. — This line species, which I have named after Mr. 

 George Masters, to whose exertions the fine collection of Aus- 

 tralian birds and mammals in our Museum is mainly due, is most 

 nearly allied to Hiaticida inornata of Gould. 



Description of a New Pupina collected during the Chevert Expedi- 

 tion, by John Brazier, C.M.Z.S. 



Pupina nitida. 



Shell ovate, thin, polished, shining, transparent, smooth, pale 

 reddish horny, spire ovately conical, apex somewhat acute, whorls 

 5h, moderately convex, penultimate whorl largely inflated, last as 

 seen in front equal with the one above, suture slightly impressed? 

 having a reddish line running spirally to the apex ; aperture ver- 

 tical, circular, continuous on the body whorl, peristome and auricles 

 white or pale brown, thickened, upper channel rather narrow, 

 cut well down in the aperture, and on the outer side vertical 

 to the suture, and covered by a triangular plate, lower channel 

 obliquely cutting the columellar deep down on the inside of the 

 aperture, and covered by small thickened plate. 



Length 4\, breadth 21 lines at penultimate whorl, and 1£ 

 line at third whorl from aperture. Aperture 1^- line broad. 



Hah. Barrow Island, North-East Australia. 



