206 JOURNAL OF CONCHOLOGY, VOL. I5, NO. 7, AUGUST 15, I917. 



the naming. Assuming this to be correct, a great extension of range 

 is thus exhibited, for the type came from Port Elizabeth, South Africa. 

 It may possibly be a subspecies or variety of T. tiassoides Hinds, 

 which has never, however, been considered a Myurella, but more 

 akin to Mazatlania. 



5. — Terebra cognata Smith. 

 T. (^Myurella) co^naia E. A. Smith, Annals and Mag. N.H., xix., 



p. 229, 1877. 

 T. {Myurella) cognata E. A. Smith, Melvill and Standen, Moll, 

 Persian Gulf, Proc. Zool. Soc, London, 1901, part i., p. 428, 

 pi. xxi., fig. 9. 

 Hab. ; P.G., Henjam Island. M.C., Charbar, 3 fathoms, sandy 

 mud. I. Karachi, 3 to 7 fathoms, soft muddy bottom. 



A small species, attaining 14 mm. in length, many ribbed and with 

 coarse spiral striation. Considered by its author of the section 

 Myurella. Very nearly allied to T. ambrosia Melv., as already 

 mentioned. 



6. — Terebra contracta Smith. 

 T. {Myurella) contracta E. A. Smith, Ann. Mag. N.H., xi., p. 268, 



1873- 

 Hab. : I., Karachi. In shoal water on muddy basis. The naming 



of this small species, also considered a Myurella by the author, was 



confirmed by him. It has only occurred once, and that in the early 



days of Mr. Townsend's collecting, in 1893-4. 



7. — Terebra cumingi Deshayes. 

 T. cumingi Qi. P. Deshayes, Journ. de Conch., 1857, p. 66, pi. iii., 



fig. I. 

 T. cumingi „ Proc. Zool. Soc. London, p. 31 1, 1859. 



T. cumingi „ Reeve, Conch. Icon., xii., pi. 8, fig. 29, i860. 



T. cumingi „ Tryon, Man. Conch., vii., p. 28, pi. 8, 



fig. 42, 1885. 

 Hab. : P.G., Muscat, 10 fathoms. 



One of the most refined of the genus, pale in colour, finely sculp- 

 tured and elaborately chased, the ridges below the sutures slightly 

 swollen, closely spirally lirate, crossed by oblique longitudinal stri^. 

 A fine specimen attains a length of nearly 4 inches. Originally 

 described from China. 



8. — Terebra duplicata (Linne). 

 Buccimim duplicatiim Linnaeus, Syst. Nat., p. 1206. 

 T. chalybceus Martini, Conch. Cab. 

 T. duplicata (Linne), Reeve, Conch. Icon., xii., pi. i., fig. 3A, 3B., i860. 



