1867.] MR. G. F. ANGAS ON NEW AUSTRALIAN SHELLS. ll.'i 



finely transversely striated ; sutures impressed; aperture small, nar- 

 rowly ovate, somewhat produced anteriorly; columella nearly straight, 

 whitish, the fold very small and rudimentary ; outer lip simple. 

 Length 3 lines, breadth j line. 



Dredged in deep water. Port Jackson (Coll. Angus). 



15. Drillia coxi, n. s. (PI. XIII. fig. 15.) 



Shell acuminately turreted, pale fulvous ; whorls nodosely angu- 

 lated at the upper part, and encircled with rather distant somewhat 

 nodulous raised striae, between which are numerous fine thread-like 

 lines ; canal short, straight ; outer lip thin ; sinus moderate. Length 

 9 lines, breadth 3 lines. 



Dredged in Port Jackson (Coll. Angas). 



IG. Drillia metcalfei, n. s. (PI. XIII. fig. 16.) 



Shell acuminately clavate, pale fulvous; whorls with a fillet of 

 slanting plicate nodules next the sutures, angulated with sharp pli- 

 cate nodules at the upper part, longitudinally rather sharply ribbed, 

 and cancellated with irregular raised striae, which are broader at the 

 lower part of the last whorl, where the longitudinal ridges terminate 

 in a band of small nodules ; canal short ; outer lip thin ; sinus rather 

 broad and deep. Length 7^ lines, breadth 2^ lines. 



Dredged in Port Jackson (Coll. Angas). 



17. Clathurella zonulata, n. s. (PI. XIII. fig. 17.) 



Shell fusiform, rather solid, light brown, banded with ashy grey 

 below the sutures and at the base of the last whorl, encircled with 

 rather distant fine brown lines, longitudinally nodosely plicate, and 

 transversely closely ribbed ; spire elevated ; whorls seven, convex ; 

 aperture narrow ; inner lip arcuate ; outer lip thin, thickened ex- 

 ternally ; sinus moderate. Alt. 4 lines, diam. Ig line. 



Dredged in Port Jackson in deep water (Coll. Angas). 



18. Alaba phasianella, n. s. (PI. XIII. fig. 18.) 



Shell elongately conical, thin, semipellucid, whitish, encircled by 

 several thread-like, more or less interrupted, brown lines, with a band 

 of alternate white and brown spots above the sutures, and a few short 

 longitudinal brown flames beneath them ; whorls nine, nearly flat ; 

 aperture ovate ; columella arcuate ; outer lip simple, acute. Alt. 

 3 lines, diam. 1 line. 



Dredged in Port Jackson (Coll. Angas). 



19. RissoiNA variegata, n. s. (PI. XIII. fig. 19.) 



Shell elongate, solid, white, sometimes broadly banded with livid 

 purple, or ornamented with zigzag chestnut markings ; whorls seven, 

 slightly convex, longitudinally plicate, plicae ceasing at the periphery 

 of the last whorl, transversely finely closely striate ; sutures distinct ; 

 aperture semilunar, chestnut within ; inner lip moderately callous ; 



Pkoc. Zool. Soc— 1867, No. VIII. 



