88 G. & H. Nevill — Descriptions of new Marine Mollusca. [No. 2, 



Clathtjrella Reeveana, Desh. 



Seems to be the same as a shell figured and described by Pease as G. 

 tumida (Am. J. Conch. 1867). This species occurs at Mauritius and at the 

 Andamans, at both of which places it is scarce. G. Reeveana and G. cy- 

 clophora, D. should, we think, form a distinct section of Clathurella, in which 

 should probably be classed P. subula, cegrota, &c. of Reeve ; in Adams' 

 ' Genera' these latter are recorded as Daphnella. 



G. cyclophora we found at Mauritius rather sparingly, also at Aden 

 a single specimen of a shell which seems to belong to it, though in too bad 

 a state of preservation for certain identification. 



Clathtjkella Smithi, n. sp., PI. VIII, Fig. 13. 



Shell minute, angularly fusiform, attenuated, apex round, slightly sinis- 

 tral ; white, tinged with pale brown on the columella and outer lip ; whorls 

 seven, acutely angled in the centre, depressedly excavated on the upper half, 

 which is devoid of sculpture ; the first two whorls altogether without sculpture, 

 the 3rd and 4th simply acutely keeled in the centre, the others closely reticu- 

 lated, minute granules formed where the keels bisect one another, longitu- 

 dinal keels obsolete on the lower half of the last whorl ; in some specimens 

 a prominent keel is present immediately beneath the suture of the last two 

 whorls, in most, however, this is obsolete (as in the specimen figured) ; colu- 

 mella rather strongly twisted, sinus deep, outer lip reflected, transversely 

 striated. 



Long. 3f, diam. 1\ mil. 



Mr. Blanford dredged 30 — 40 specimens of this minute shell off Gwa- 

 dar and Tumb Island in the Persian Gulf; it perhaps nearest resembles 

 Reeve's PI. concentricostata (fig. 279), but is qiiite distinct ; we have named 

 it after Mr. E. A. Smith of the British Museum, who has lately described 

 some interesting small shells from the Persian Gulf. 



Clathurella apiculata, Montr., PI. VII, Fig. 3. 

 J. de Conch. 1864, p. 264, {N. Ceded.) 



We propose to distinguish the Andaman form under the name of var. 

 minor. Ten specimens of this variety were found living at Ross Island under 

 blocks of coral at low water, it can only be distinguished from the type form, 

 which has not yet been found at the Andamans, by its smaller size (long. 

 4|-, diam. If mil.). The row of opaque, white spots on the back of the last 

 whorl are very characteristic. It is nearest allied to the next species, G. Mal- 

 leti, which also lives at the Andamans and under precisely similar conditions : 

 the slight but constant differences in shape and sculpture between the two 

 are well shown in the accompanying figures. Dead specimens of C. apiculata 

 are fairly abundant in Ceylon, in size closely approximating to the type form 

 (long. 6i, diam. 3 mil.) 



(Coll. Indian Mus., Rev. J. Warneford, and H. Nevill.) 



