I I. \. 



A. mriNTTA ( v >uoy A- ( iaimai .1. IM. 1'J, I'w. 1."., i:;. 



Shell ovate-oblong, very thin, fniLrile; white, encircled 1>\ 

 reddish hands; surface with longitudinal and transverse ft; 

 suture fissured. This Bulhi lias almost entirely tlie t-.rm .f the 

 fragile liulla [.I. lmll t it<t], only the riirht margin is more developed 

 and the aperture wider below. Alt. 1 inch, diam. 8 lines. (' 



GO. 



Harbor of the Princess Roijl, King George's Sound < 



/;. biruu-ta ({. iVr. G.,Zool. Astrol.,ii, p. 865, pi. 26, f. 31, 32. 

 A. AD., Thes. p. 573, pi. 121, f. 44. Sown., C. Icon., f. 5. 



A. TUMIDA A. Adams. PI. 42, fig. 14. 



Shell horny, fragile, ovately cylindrical, spire rather flattened, 

 semipellucid, tumid in the middle, and rather gibbous near the in- 

 ner lip, encircled with a faint, scarcely conspicuous fuscous band, 

 transversely very finely striated, longitudinally somewhat plicated ;. 

 aperture anteriorly very much dilated. (Ad.}. 



Neiv Zt'iilftml (Adams). 



B. (Akera) tumida A. AD., Thes. p. 573, pi. 125, f. 169. .1. 

 tumida Sown., Conch. Icon., f. 2. 



The locality requires confirmation. Is it identical with A.bi- 

 cincta f 



A. TASMANICA Beddome. Unfyured. 



Shell minute, thin, ovate, cylindrical, ventricose; whorls distinct, 

 channelled at sutures, brown, with two white bands on body-whorl ; 

 aperture elongate, pyriform, rounded in front; columella excavated. 

 Long. 2 mill., lat. 1 mill. (7>.). 



Off Old Station, Brown's River Road, 7 fms., and 7>Y nd y 



Tatmania. 



Akera tamianica BEDDOME, Papers and Proc. Roy. Soc. Tasm., 

 1882, p. 169, 1883. 



Genus CYLINDROBULL A Fix-her, 1856. 



Cylindrobulla FISCH., Journ. de Conch., 1856, p. 275, type C. 

 beaui. 



Shell thin and fragile, cylindrical, with sunken >j>ire; aperture as 

 long as the shell, linear except at base, product d at the vertex in a 

 deep slit follou'uiy the suture as in Akera ; base obliquely truncated, 



