A8TRALIUM. 235 



Avith about ten concentric squamose lira?, columella oblique, white, 

 generally rosy margined, rarely bluish ; aperture angulated. 



Alt. 34, diam. 35 mill. 



East Indian Seas. 



Operculum (pi. 60, fig. 67) granulose outside, white or green. 

 Animal (fig. 68) without lateral filaments. 



T. chemnitzii Val. and T. asperatus (Lam.) Phil, are synonymous. 



This species seems to be very closely allied to A. helicinuni Gmel. 



Var. ASTERTScus Reeve, 1842. PI. 55, fig. 60. 



Shell conical; whorls obsoletely wrinkled, produced at the carina 

 into prominent vaulted sjiines ; basal callosity rose-red or blue- 

 green. 



Port Essington, Australia. 



Identified by Fischer with T. chemnitzii Val., but that ioxnx 

 seems to me to differ in no respect from typical stellare. 



A. LAPiLLUs Reeve, 1861. PL 64, fig. 49. 



Imperforate, obtusely turbinated, fulvous, tinged with red at the 

 base ; Avhorls convexly sloping next the suture, then tumidly round- 

 ed, longitudinally rudely ribbed, ribs irregularly wrinkled and 

 tuberculated ; base convex, very closely irregularly scaled. (Reeve.) 

 Habitat unknown (Reeve); Levuka, Eiji,12fms. (Challenger Exjxl.) 



Watson, who places this species in " Bolina " (= Bolma), says : 

 " There are two specimens of this species in the British Museum, 

 which differ from one another in the number of spirals on the base 

 and. have only a faint tinge of purple at the pillar. In the two 

 Challenger specimens, the scaly spirals are much fewer, and a bril- 

 liant crimson streak to the left of the pillar, and also in front of it 

 on the left corner of the l)asal mouth li}), is a marked feature. I 

 observe, however, that as is often the case with these brilliant col- 

 ors, the crimson has somewhat faded during the years the shell has 

 been in my hands." 



A.siRius Gould, 1849'. PI. 45, figs. 93-95. 



Shell small, low pyramidal, pale emerald green ; whorls 4, acute- 

 ly compressed at periphery, above with about ten oblique folds on 

 the lower half of the whorl, each of which is produced into a trian- 

 gular spine at the periphery, and with spines intercalated making 

 about eighteen on the peri2:)hery of last whorl ; surface corrugated 

 by oblique wrinkles ; base nearly flat, imperforate, with about five 



