22 MR. J. BRAZIER ON NEW LAND AND MARINE SHELLS. [Jan. 2, 



encircling the whole of the shell, more numerous on the base, and 

 by the pink and brown peristome. 



*5. Triton (Epidromus) coxi, sp. nov. (Plate IV. fig. 9.) 



Shell turrite, thin, with six rather indistinct rounded varices ; 

 spire slightly twisted, apex obtuse ; whorls 6, sculptured with irre- 

 gular, very close-set, longitudinal ribs, slightly noduled at the suture, 

 rounded, and articulated with fine impressed striae, very light brown, 

 darker on the varices, the whorls furnished with three transverse 

 lines in the form of dots somewhat like a chain, the last or body- 

 whorl with a dark-brown blotch, and finely marked with dots of the 

 same colour ; columella arcuate, smooth ; lip white, thickened ; 

 canal very short, recurved ; outer lip white, fiuely denticulated 

 within. 



Alt. 1 inch, breadth 2\ lines. 



Hab. Bellengen River, New South Wales {Brazier). 



This pretty species I have named after Dr. James Cox of Sydney. 



It is the second species of the subgenus Epidromus that has been 

 found on the coast of New South Wales ; it is a very light shell, 

 while the Epidromus brazieri, Angas, is a thick and heavy shell. I 

 obtained a few broken specimens of it also at the Bellengen river. 



6. Tritonidea petterdi, sp. nov. 



Shell fusiform, thick, longitudinally flatly ribbed and trans- 

 versely ridged, the interstices filled with rows of muricated scales 

 (only seen under the lens), whitish, ornamented with a pure white 

 band in the centre of the whorls, and a faint brown one below ; 

 spire moderately elevated, apex blunt; whorls 6, almost flat, suture 

 impressed ; aperture ovate ; canal short, slightly recurved ; collu- 

 mella arched ; outer lip crenulated, thickened externally, strongly 

 denticulated within. 



Alt. 5-i, breadth 2 lines. 



Hab. North-east coast of Tasmania (W. F. Petterd). 



I have only seen one specimen of this species, which is in the 

 cabinet of Mr. Petterd. 



7. Humphreyia coxi. (Plate IV. figs. 10, 10a.) 



Shell with the valves large, broadly ovately rounded, horny 

 white, irregularly roughly striated ; tube straight, smooth, opaque- 

 white, short and round ; disk globularly inflated, wrinkled, rather 

 sparingly covered with short, straight, small tubes and a few per- 

 forations. 



Length of valves 0-46, breadth 0'32; height of inflated disk 1-00, 

 breadth 0'80 ; length of tube from edge of disk T05 inch. 



Hab. Near Port Stephens, east coast of New South Wales. 



The general shape of this interesting shell reminds one of a short 

 club. It differs from the only other species of the same genus, 

 Humphreyia'strangei, in the very large ovately rounded shell, in the 

 straight tube, and in the inflated disk ; the tube partakes of the 

 character of the genus Humphreyia, and the inflated disk of that of 



