NELSON & TAYLOR : ON F. W. SHELLS OF QUEENSLAND. 289 



aperture rather narrow, longer than the spire, anteriorly rounded 

 and thickened at intervals by the marks of periodic growth. 



Length 17, breadth 8 mill. 



Length of aperture 10, breadth 4 mill. 



Habitat — Brisbane River, Queensland, 



This species was found by Mr. W. F. Petterd. 



Physa Beddomei. — Shell sinistral, thin, narrow, acumi- 

 nated; whorls 8, sloping, the last about half the total length of the 

 shell; spire acuminately produced, tapering to a fine point; suture 

 moderately deep; aperture small, narrow, anteriorly rounded, 

 outer margin slighdy produced; columella fold a little twisted ; 

 inner lip thickish, a thin white rib situate at some little distance 

 from the mouth. 



Length 9, breadth 8 mill. Aperture 8, breadth 5 mill. 



Habitat — Townsville (Coxen and Beddome) and Rapid Ba)', 

 Queensland (W. T. Bednall). 



This species bears some resemblance to P. pyramidata Sow., 

 but is quite distinct. We have also received specimens of the 

 same species from Mr. Bednall of Adelaide. 



Physa fusiformis. — Shell sinistral, narrow, irregularly and 

 finely striate, narrow, subfusiform, horn color, rather solid; spire 

 elevated, acuminated; whorls 5, gradually increasing in size, the 

 last equaling two-thirds of the shell; suture deep; aperture pyri- 

 form, rather longer than spire; outer lip produced, anteriorly 

 angular, with a reddish-brown rib just within the aperture ; 

 columellar fold rather short. 



Length 12 mill. 

 Aperture 7 mill. 

 Habitat — Richmond River, New South Wales. 



-♦••*♦ 



J.C, ii., Oct., 1379 



