368 MESSRS. MELYILL AND STANDEN ON [June 18, 



between the ribs, the outer lip being extremely incrassate, may 

 serve to distinguish this species. It has only occurred in small 

 quantity. 



Eissoina (Eissolina) plicatula Gould. 

 P.G. Kishm I. ( W. T. Stanford). 

 I. Bombay. Old record. 



Eissoina (Eissolina) plicata Ad. 



Var. beriheloti Aud. 



Var. scalarina A. Ad. 

 P.G. Kharg (W. T. Stanford). Kishm I. (var. bertheloti : 

 W. T. S.). 

 I. Karachi. Common. 



Eissoina (Eissolina) pseudo-scalaris, sp. n. (Plate XXII. 

 fig. 13.) 



E. testa minuta, fusiformi, solida, nitida, lami, albida ; anfraetibus 

 octo, quorum apicdles 3| attenuati, apiee ipso brunneo, omnibus 

 vitreis, cceteris albo-calcareis, longitudinaliter jpaucicostatis, costis 

 lamellarum instar, ultimo in anfractu circa undeeim, prope ante 

 basim evanidis, basi sub lente minutissime spiraliter striata ; 

 apertura rotunda ; peristomate scdlariformi incrassato continuo 

 sub lente striatulo ; columella obliqua. 

 Long. 3, lot. 1 mm. 



Hub. Gulf of Oman, lat. 24 c 25' N., long. 57° 59' E. 37 

 fathoms. 



A very minute scalaroid species, solid, shining, with regular 

 straight lamelliform ribs ; the protoconch extends to three and a 

 half whorls, is vitreous and smooth, and very attenuate ; aperture 

 round ; the very delicately striate peristome thickened, continuous. 

 Allied, but not very nearly, to P. gradata d'Orb., a West Indian 

 species. 



Eissoina (Eissolina) rissoi Aud. 

 I. Karachi. 



Eissoina (Eissolina) subfuniculata G. Nevill. 

 P.G. Kishm I. ( W. T. Blanford). 

 M.C. Gwadur ( W. T. Blanford). 



Eissoina (Phosinella) clathrata Ad. 



P.G. Lin jah Anchorage, 5 fathoms. Kishm I. (W. T. Blan- 

 ford). 



M.C. Gwadur ( W. T. B.). 



I. Karachi. Bombay (Abererombie). 



Eissoina (Phosinella) paschalis, sp. n. (Plate XXII. fig. 1 2. ) 



B. testa obloaga, delicata, Candida, paullum nitente ; anfraetibus 



probabiliter 7-8, apicalibus ....?, costens gradahdis, ad guturas 



imjvessis, omnino arctissime et puldherrime sub lente cancellatis, 



