454 MESSES. MELVir.L AND STANDEN ON [JuDG 18, 



by its cylindrical, rather shorteued spire, sinistral apical whorl, 

 straight body-whorl, closely spirally multisnlcate. The substance 

 is subpellucid milky white ; outer lip straight ; columella slightly 

 callous at the base, white, shining, not plaited. 



Eetusa nitida (A. Ad.). 



P.G. Busbire. A Bornean species. 



Eetusa (Pyeunoulus) pbllyi (Sm.). 



Cylichna (Sao) pellyi Sm. Ann. N. 11. ser, 4, is. p. 354 (1872). 



P.Gr. Gulf of Oman. Common at some depth, say from 50 to 

 350 fathoms ; fine and large. 



I. Bombay (Abercrombie). One of the most abundant Mollusca 

 whose shells are cast ashore after rough weather. 



VOLVULA ACUMINATA BrUg. 



P.G. Gulf of Oman, lat. 24° 05' N., long. 57° 35' B. 205 

 fathoms, mud. 



I. Bombay. Not in the list, though collected by Abercrombie. 



Probably absolutely identical with the well-known European 

 and Mediterranean Volvula. It is recorded in the catalogue 

 (revised) of the MacAndrew collection from the Ked Sea and 

 Suez by the Eev. A. H. Cooke. Probably V. oxytata Bush, from 

 the Eastern United States, is the same. 



Earn. SCAPHANDEIDiE. 



Smaeagdinella andessoni Nevill (Glauconella). 

 I. Eatnagiri (Abercrombie). 



First recorded by G. Nevill from S. Ceylon. The Bev. A. H. 

 Cooke names it from Suez ; Dr. E. Stoliczka from Penaug. 



Atys (Alicula) alicula a. Ad. 



P.G. Gulf of Oman, Maskat. 15 fathoms. 



Atys (Alicula) amygdala Sowb. 



M.C. Eecord a little doubtful (F. W. T.). 



Atys (Alicula) oylindeica Helb, 



M.C. No specified locality. 



Includes A. elongata A. Ad, and solida Brug. 



Atys (Alicula) sucoisa Ehr. 

 1. Karachi. 



Cylichna beevissima A. Ad. 



P.G. Gulf of Oman, lat. 25° 44' N., long. 52° 30' E, 

 40 fathoms, mud and sand, on telegraph-cable. 



Cylichna bushiebnsis, sp. n. (Plate XXIV. fig. 21.) 

 C. testa stibcylindrica, supra acuminata, apitd basim paidlulum 

 effusa et dilatata, tenui, papyracea, nitida, cinereo-alba, trans- 

 versim eleganter undulato-striata, striis supra minute punctatis, 



