GASTEHOPODA. 13 



yellowish white, with purplish black streaks in the depressions of the 

 wrinkles. Length, 15 ; breadth, 05 ; angle of spire, 40. 



Dr. Dieffenbach brought this species to England from Cape Maria 

 Van Diernen. 



31. T. atlStralS, Lamnrlc, I.e., ix.,^. 025. Spire produced ; whorls 

 flattened, spirally grooved, both the grooves and the ridges sub- 

 grooved ; some of the ridges sub-nodular; columella callous, with a 

 tooth at the posterior end, and generally with some wrinkles at the 

 anterior end ; outer lip expanded, nodular, the nodules generally 

 arranged in groups of two or three. Brownish pink, variegated with 

 brown ; inside pinkish white ; columella ochraceous ; outer lip white 

 with brown transverse bauds from the nodules to the edge. Length, 

 7 ; breadth, 4 ; angle of spire, 50. 



North Island. Chatham Islands. 



32. T. Spengleri, Chemnitz; Lamai'k, I.e., ix., p. 627. Shell 

 thick, ponderous, spire produced ; whorls flattened, spirally grooved, 

 with a row of nodules, which are sometimes obsolete on the body whorl ; 

 varices few ; columella with a small rounded tooth at the posterior 

 end, and sometimes a few wrinkles in the centre ; outer lip much 

 expanded and plicated ; canal short, sub-perforate. Yellowish white, 

 covered with a pale brown transparent epidermis. Length, 55 ; 

 breadth, 3 ; angle of spire, 40. 



New Zealand and the Chatham Islands. 



33. T. (Simptllum) aCCiiviS, sp. nov. Shell thick ; spire 

 rather depressed, bent slightly backwards, and to the right ; whorls 

 broadly spirally channelled, the posterior ridges with blunt nodules ; 

 varices few (one only) ; columella wrinkled ; outer lip grooved ; canal 

 slightly produced. Pale brown ; columella dark chocolate brown ; 

 outer lip and varices banded with the same colour and white. Length, 

 275 ; breadth, T6 ; angle of spire, 70. (See plate fig. 8.) 



RANELLA. 



Shell ovate, compressed ; varices two on each whorl, rounded, 

 forming a border to the shell. 



31. R. leilCOStqma, Lamarlc, I.e., ix., p. 512. Oval ; whorls 

 spirally striated ; varices nearly continuous, with several elongated 

 tubercles between them ; columella with a prominent posterior tooth 

 and a few anterior wrinkles ; outer lip thickened, toothed ; canal 

 short. Reddish brown, varices banded with white and blackish purple ; 

 inside white ; covered with a brown hairy epidermis. Length, 2 '5 ; 

 breadth, 1'5 ; angle of spire, 50. 



Australia. 



35. R. vexilhlHl, Sowerby ; R. argus, Dleff. N.Z., ii., p. 220; 

 R. tumida, Dunker. Oval, obliquely compressed ; whorls spirally 

 striated, some of the ridges sub-nodulose ; varices flattened, not con- 

 tinuous ; columella with a thick posterior tooth, and a few median 

 wrinkles ; outer lip dentate, teeth in pairs ; canal short. Chestnut 

 brown, ridges sometimes purplish ; varices coloured similarly to the 



