28 PROCEEDINGS OF THE MALA.COLOGICAL SOCIETr. 



specimens are similar in detail of sculpture, but sometimes the 

 longitudinal ribs arc only to be seen on the upper whorls ; and in one 

 shell sent me by Mr. Eednall from St. Vincent's Gulf, the body-whorl 

 is distinctly ribbed. 



16. Clathueella. modesta, Angas, Proc. Zool. Soc. 1877, p. 38, 

 pi. V, fig. 15. St. Vincent's Gulf. 



17. ClATHURELLA LAMELLOSA, U.Sp. PI. Ill, Pig. 11. 



Testa parva, abbre\'iato-turrita, straminea, fusco sparsim maculata ; 

 anfractus 5 ; apicales hcves, cajteri tabulati, valde angulati, spiraliter 

 tricarinati, lamellis pulcherrimis longitudiualiter ornati ; sutura cana- 

 liculata ; anfractus ultimus spiram cequans, quadricarinatus, ad Ijasim 

 contractus, liratus, brevitcr rostratus ; apertura latiuscula ; labrum 

 arcuatum, postice profunde sinuatum. Long. 4, diam. 2 mm. 



ITah. — St. Vincent's Gulf (Verco). 



A very characteristic little shell, with angular whorls forming a 

 tabulated spire ; the spiral keels, of which there are four on the body- 

 wliorl, as well as the interstices, are crossed by fine close lamelloe. 

 The unique specimen is straw-coloured, with a single brown blotch 

 ill front. 



18. Clathukella L\llemantiaxa, Crosse, Journ. de Conch. 1865, 

 p. 423, pi. ii, fig. 5. I think CI. incnista, Ten. -Woods (Froc. Koy. 

 Soc. Tasm. 1876, p. 136), is the same; biit I cannot agree with 

 Mr. Tryon as to the identity of C. Letoiirneuxiana, Crosse (Journ. de 

 Conch. 1865, p. 425, plate ii, fig. 7). The latter species I have not 

 seen from South Australia. 



19. Clathueella tincta, Reeve, Proc. Zool. Soc. 1846, p. 5; 

 Conch. Icon., Pleiirotoma, sp. 347. 



= alhifimiculata. Reeve, Conch. Icon., Pleurotoma, sp. 350. 



= rulroguttata, H. Adams, Proc. Zool Soc. 1872, p. 14, pi. iii, fig. 25. 



= rufozonata, Angas, Proc. Zool. Soc. 1877, p. 38, pi. v, fig. 13. 



The spots and lines vary in number, size, and colour, from black to 

 orange, and occasionally the species occurs white without spots. 



20. Clathurella parvula. Reeve, Proc. Zool. Soc. 1845 ; Conch. 

 Icon , Pleurotonia, sp. 254. 



= Clathurella crassina, Angas, Proc. Zool. Soc. 1880, p. 416, pi. xl, 

 fig. 6. 

 ?= Mangilta philoinena, Ten. -Woods, Roy. Soc. Tasm. 1875, p. 141. 



Reeve's description of this species is somewhat inadequate, and he 

 gives no dimensions, but judging from a series of specimens, I am 

 convinced that Angas' crasaina cannot be separated from it. The fine 

 fresh specimens submitted to me are yellowish, with a brown band 

 below the periphery, tinged with brown at the sutures, between the 

 ribs, and on the lip and columella. Worn specimens are sometimes 

 white, and probably there is a white variety. Angas mistook bleached 

 specimens of this species for Plcurotoma spurca, Hinds, which, although 

 somewhat similar in general appearance, may be clearly distinguished 



