1901.] MOLLUSKS FROM THE PEBSIAjS" GULF. 371 



A small ochraceous Scaliola, much agglutinated, likewise occurs 

 with the other species ; it may be only a variety, but has a distinct 

 appearance. 



Fam. LiTiopiD^. 



LiTIOPA VENTROSA A. Ad. 



P.G-. Gulf of Oman. 



M.C. Gwadur (W. T. Blanford) , with var. minor n., an sp. 

 propr. ? 



LiTioPA (Alaba) blajs^fordi a. Ad. 



I. Bombay (Dr. F. StoUczka, H. F. Blanforcl). Not in the 

 Abercrombie collection. 



LiTioPA (Alaba) rectangulata Craven. 

 I. Bombay {Ahercromhie). 



LiTioPA (Diala) leithi Sm. 



I. Bombay {Ahercromhie). Probably inhabits brackish water, 

 with many spp. of Stenothyrce and Assiminiece. 



LiTiOPA (Diaea) semistriata Phil. (=macula Eecluz). 

 P.G. Gulf of Oman, near Maskat. 20 fathoms. 

 I. Bombay (Dr. F. StoliczTca). 



Lttiopa (Diala) sulcifeba A. Ad. 



P.G. Gulf of Oman, near Maskat, with the preceding. Also 

 recorded by Mr. W. T. Blanford. 



I. Bombay (Rev. S. B. FairhanTc), 



LiTioPA (Styliferina) fulya B. "Wats. (Alaba). 



P.G. Gulf of Oman, near Maskat. 



The specimens are worn, but both in coloration and sculpture 

 agree with description and figure (Eep. Challenger Exped. vol. xv. 

 p. 571, pi. xlii. fig. 5). 



LiTioPA (Styliferii^a) satignyi Issel. 



P.G. Gulf of Oman, Maskat (Dr. F. Stoliczka, W. T. Blanford). 



Argyropeza ', genus novum. 



Testa parva, gracilis, fusiformis, tenuis, nitida vitrefacta, albo- 

 cinerea vel cinereo-straminea ; anfr actus 10, quorum tres apicales, 

 Iceves, parvi, hrunnei vel straminei, cceteri multum apad suturas 

 impressi, ventricosi, hicarinati, carince spiraliter arete et regu- 

 lariter noduloso-gemmatce, ultimus anfractus cceteros en'cequans, 

 tricarinatus, carina inferior planatus, deinde ad hasim spiraliter 

 liratus ; apertura ovata ; peristoma tenue, sinuatum, paullum 

 effusum ; columella ad hasim suhproducta. 



^ dpyvpoTTei^a, silver-foot, the Homeric epithet of Thetis. 



24* 



