152 HELIX-HADRA. 



thickened and expanded covering the whole of the umbilicus ; 

 (Brazier.} Alt. 13?, greater diam. 19, lesser 13 lines. 



Ranges about the Douglas River, Queensland, Australia. 

 H. zebina BRAZIER, Proc. Linn. Soc. N. S. W. iii, p. 78, t. 8, f. 

 2, 1878. 



H. MOSSMANI Brazier. PL 34, fig. 14. 



Shell imperforate, globosely turbinated, very faintly obliquely 

 striated, exhibiting minute spiral lines and granulations (only seen 

 under the lens) ; reddish yellow, with numerous spiral chestnut lines 

 and bands; spire conical, apex obtuse; whorls 62, slightly convex, 

 suture slightly crenulated ; aperture oblique, ovately lunate ; peri- 

 stome black, reflected, margins approximating, the right descending 

 at the upper part, columellar thickened, with a black callus round 

 the umbilical region. (Brazier.} 



Alt. 19?, greater diam. 19, lesser 15 lines. 



Dawson River, Queensland, Australia. 



H. mossmani BRAZ., P. Z. S. 1875, p. 33, t. 4, f. 6. 



Comes near to H. fraseri in its markings, but differs in being more 

 turbinated and in the lip being thinner. 



H. coxi Crosse. PI. 23, figs. 74, 75 ; pi. 40, fig. 92. 



Shell imperforate, globose, light buff with few lines and narrow 

 bands of chestnut, fading out on the latter part of the body-whorl. 

 Interior of the aperture and the broadly expanded lip pure white. 



A compact, globose shell, the outline of the spire convex ; solid, 

 smooth ; sutures superficial ; whorls 6?, slightly convex, the last 

 globose, its latter part of a clear buff tint, the few brown lines fad- 

 ing out. It descends strongly to the aperture ; the base convex, not 

 impressed or excavated at the place of the closed umbilicus. The 

 aperture is rounded lunar, oblique, outer and basal lips broadly ex- 

 panded, somewhat reflexed, columellar lip expanded in a triangular 

 white plate, closely appressed over the umbilicus. 



Alt. 32, greater diam. 35, lesser 30 mill. 



Alt. 38, greater diam. 32, lesser 29 mill. 



Port Molle and Port Denison, Queensland, Australia. 



H. Forbesi Cox, P. Z. S. 1864, p. 40 (preoc.). H. cerea Cox, 

 Catal. Austr. Land Sh. 1864, p. 36 (preoc.). H. Coxi CROSSE, 

 Journ. de Conchyl. 1866, p. 195. PFR. Monogr. v, p. 276 ; Conchyl. 

 Cab., p. 534, 1. 163, f. 5, 6. TAPPARONE-CANEFRI Zool. del Viaggio 

 della Fregata Magenta, Malac., p. 92, t. 2, f. 7. BRAZIER, P. Z. S. 



