16 MR. G. F. ANGAS ON NEW AUSTRALIAN SHELLS. [Jail. 3, 



deeply impressed; aperture ovate; outer lip thin; columellar plait 

 rather prominent. 



Length 3 lines, breadth J line. 



Hab. Dredged off " Sow and Pigs," Port Jackson (Brazier). 



12. Cerithiopsis clathrata, n.sp. (Plate I. fig. 12.) 



Shell elongately acuminated, moderately thin, of a pale yellowish 

 colour; whorls 12, encircled by three nearly equally distant rounded 

 ribs, and decussated all over with close-set longitudinal, somewhat 

 undulating raised strife ; sutures deeply impressed ; base of last 

 whorl finely radiately striated ; nucleolar whorl sinistral ; aperture 

 subquadrate ; outer lip thin ; columella arcuate, scarcely produced 

 in front. 



Length 3 lines, breadth f line. 



Hab. Dredged near " Sow and Pigs" reef, Port Jackson (Brazier). 



13. Cerithiopsis crocea, n.sp. (Plate I. fig. 13.) 



Shell elongately acuminated, rather thin, orange-coloured through- 

 out ; whorls 14, encircled by rounded, close-set ribs, four to a whorl, 

 nearly equal in size ; the interstices, which are very narrow, finely 

 longitudinally striated ; last whorl flattened and smooth at the base ; 

 nucleolar whorl sinistral ; aperture subquadrate ; outer lip thin ; colu- 

 mella tortuous, strongly arched and produced in front. 



Length 5 lines, breadth 1 ^ line. 



Hab. Dredged off Camp Cove, Port Jackson {Brazier). 



A species of a beautiful orange colour, with four ribs on each 

 whorl, and the intercostal spaces very narrow and finely striated. 



14. Leiostraca lesbia, n. sp. (Plate I. fig. 14.) 



Shell aculeate, rather thin, smooth, shining, whitish, obscurely 

 somewhat opaquely banded next below the sutures ; whorls 12, nearly 

 flat, suture distinct ; spire sharply acuminate ; aperture elongately 

 ovate, slightly effuse in front ; outer lip acute, simple ; columella 

 callous and slightly twisted. 



Length 6 lines, breadth 1 line. 



Hab. Dredged at "Sow and Pigs," Port Jackson. 



15. Terebra (Hastula) brazieri, n.-sp. (Plate I. fig. 15.) 



Shell elongately turreted, narrow, acute at the apex, shining, pale 

 straw-colour, irregularly painted with brownish orange longitudinal 

 flames, strongest and most numerous next the suture, and with an 

 interrupted zone of suffused brown spots near the base of the last 

 whorl, above which the painting ceases abruptly, leaving a pale band 

 above the zone ; nucleolar whorls tinged with purplish brown ; whorls 

 13, flat, obsoletely distantly plicate, rather nodose next the sutures ; 

 aperture narrowly ovate ; outer lip thin, with the margin slightly 

 sinuous ; columella tortuous ; canal short, somewhat everted. 



Length 1 inch 2 lines, breadth 3 lines. 



Hab. Brisbane Water, New South Wales (Brazier). 



