MELVILL AND STANDEN : MARINE MOLLUSCA OF MADRAS. 35 



Terebra (Subula) crenulata L. — Several. A widely dis- 

 tributed species extending from the Indian Ocean to Central 

 Polynesia. 



Terebra (Subula) dimidiata L. — Common It is also found at 

 Singapore, Philippines, and Central Polynesia. 



Terebra (Subula) duplicata Lm. — In all stages of growth. A 

 very common Indian Ocean form. Zanzibar, Madagascar, Moluccas, 

 Singapore, China, to Fiji Islands. 



Terebra (Abretia) cerithina Lm. — A few typical specimens. 

 Also occurs from Philippines to Society Islands. 



Terebra (Abretia) tenera Hinds.*— One only, but perfect and 

 a match for Bombay and Ceylonese specimens, with which we have 

 compared it. Ceylon and Straits of Malacca. 



Terebra (Hastula) aciculina Rv. — Three specimens. The 

 smaller size, colour, longer plications, and broad base distinguish this 

 species from T. ci?ierea Born, with which it is often confounded. It 

 occurs at Singapore, Manila, Marquesas, and Sandwich Islands. 



Terebra (Hastula) strigilata L. — Also from Polynesia and 

 Sandwich Islands. 



Terebra (Myurella) cingulifera Lm. — Typical. Also recorded 

 from Philippines, New Ireland, Lifu, Fiji, and China. 



Terebra (Myurella) monilis Quoy. — Several. According to 

 Tryon this is but a synonym of T. straminea Gray. Philippines, 

 China. 



Terebra (Myurella) myuros Lm. — Two examples of this well 

 known species, which also occurs at Moluccas, Lifu, and New Ireland. 



Terebra (Myurella) persica E. Sm.— Very beautiful, being 

 highly chased and shining, though much grooved and latticed. A 

 remarkable extension of its range as hitherto recognised. Persian 

 Gulf. 



Terebra (Myurella) cf. turrita Dkr. — An interesting little form, 

 which may be distinct, but there is only one specimen, so it is hard to 

 come to a satisfactory conclusion on the subject. 



Terebra (Myurella) undulata Gr. — Also recorded from Philip- 

 pines and Fiji. 



Family CONIDAL 



Conus mutabilis Chemn.* — Red Sea, St. Domingo, China. 



Conus (Coronaxis) hebraeus L. — Widely distributed. East 

 Africa, Ceylon, Mauritius, Japan, Philippines, New Caledonia to Fiji. 



Conus (Coronaxis) pusillus Chemn. — A pretty little shell, 

 which Tryon places as a variety of C. ceylonensis Hwass. Red Sea, 



