368 THE PROCEEDINGS OF THE LINNEAN SOCIETY 

 30. RlSSOINA CARDINALIS. N. SP. 



Shell somewhat pyramidally ovate, thick, whitish, strongly 

 longitudinally ribbed ; whorls 8 to 9, slightly rounded, suture 

 distinct, last whorl with a rounded ridge at the base ; aperture 

 subovate ; inner lip thickened, outer lip thin at edge, thickly 

 variced behind, sinuated anteriorly. 



Length, 3 lines ; breadth, 1 line. 



Hab. Cape Grenville, North-east Australia, 20 fathoms, sandy 

 mud. Cape York, North Australia, 11 fathoms, sandy mud 

 bottom. Off Katow, New Guinea, 8 fathoms, sandy mud bottom. 



31. RlSSOINA INCONSPICUA. 



Shell small, elongately ovate, white, obliquely somewhat longi- 

 tudinally ribbed ; ribs sharp, interstices smooth, rounded ; whorls 

 6, flat, spire shor. L , apex papillose, shining white ; aperture 

 subovate ; inner lip thickened and slightly expanded over the body 

 whorl, the outer lip thickened and rounded, minutely sinuated 

 anteriorly. 



Length, 1 ; breadth, h line. 



Hab. Dungeness Island, Torres Straits, 11 fathoms, mud 

 bottom ; brought up on the fluke of the ship's anchor. Sue 

 Island, Torres Straits, 13 fathoms, sandy mud bottom. 



32. — Alvania. sp. ? 



Sab. Warrior Island, Torres Straits. 



Three very bad and worn specimens, -| of a line long, were 

 found in shell sand in the middle of the island. What little 

 sculpture remains reminds me of Alvania Beani, Hanley, found 

 on the English Coast. 



33. — Alvania. sp. 1 



Hab. Darnley Island, Torres Straits, 30 fathoms. 



A single sea worn specimen, £ of a line long. The little 

 sculpture that remains resembles in form Alvania Zetlandica, 

 Mont., found in the north of Scotland. 



