BY C. HEDLFA'. 185 



Royal Society of Tasmania lie will give a figure of the type of R. 

 agnewL This species is an addition to the known fauna of this 

 State. 



RiSSOA INTEGELLA, n.Sp. 



• (Plate ix., fig. 20.) 



Shell tall, slender, subcylindrical, imperforate, thin, trans- 

 lucent. Colour uniform white. Whorls nine, including the 

 globose, spirally grooved protoconch of one whorl, rounded, con- 

 stricted at the sutures. Sculpture : sharp, spiral keels which 

 multiply from three on the first to eight on the last whorl. The 

 interstices are latticed with faint lines, and under a high magni- 

 fication are further seen to be ornamented by fine, dense, spiral 

 scratches. Aperture subcircular, outer lip bearing a rather 

 strong varix, inner lip reflected over an umbilical furrow. Length 

 4-85 mm.; breadth 1-35 mm. 



Hab. — Sixteen miles east of Wollongong in 100 fathoms; a 

 few specimens dredged by Mr. G. H. Halligan and self. 



T y p e. — To be presented to the Australian Museum. 



Epigrus protractus, n.sp. 

 (Plate viii., figs. 8-11.) 



Shell minute, cylindrical, thin, translucent, glossy, with the 

 last whorl uncoiled. Colour pale ochre, with a more ruddy tint 

 on the peristome. Whorls four and a half. First whorl and a 

 half globose, tilted; second and third rounded, deeply contracted at 

 the suture, which is margined; last half-whorl free and stretched 

 out in the direction of the shell's axis. Aperture circular, very 

 oblique; peristome broad, expanded. Length 1*3 mm.; breadth 

 0-36 mm. 



Hah. — Chinaman's Beach, Middle Harbour; several specimens, 

 taken by my friend Miss L. Parkes. 



Type. — To be presented to the Australian Museum. 



To the information given on this genus in the Report on the 

 Thetis Gasteropoda* I can now add that I lately had the pleasure 



* Hedley, Mem. Aust. Mus. iv. 1903, pp. 355, 356. y<^''^- ' ■^" -^ / 



