1881.] SOCOTHAN LAND-SHELLS. 805 



6. BULIMINUS (ACHATINELLOIDES) BALFOURI, Var. 



Three specimens are mottled spirally below with pale umber and 

 white, above transversely ; and the apical whorls have dark dashes 

 near the suture at regular intervals. 



Longest specimen : — 



Major diam. 0'44, alt. axis 0"87, alt. apert. 0'47 inch. 

 „ 11-3, „ 22-5, „ 12-4 millim. 



Most tumid specimen : — 



Major diam. 0*37, alt. axis 0"65, alt. apart. 0'34 inCiS. 

 „ ,, 9"6, ,, 17*0, ,, 9*0 milum. 



[From the plain in the vicinity of Kadlioop village on the north 

 side of the island. — B. B.~] 



7. BULIMINUS (ACHATINELLOIDES) GOLLONSIRENSIS, n. Sp. 



(Plate LXIX. fig. 10.) 



Shell ovately fusiform, narrowly rimate, solid ; sculpture regular 

 rather pronounced costulation ; colour white or pale buff, minutely 

 mottled with brown, with very irregular jaggy, transverse, short 

 streaks or patches of darker brown, slightly oblique to the costulation, 

 which do not reach to the suture above ; spire elongately pyramidal, 

 sides flatly convex, apex subacuminate,suture shallow; whorls 7, sides 

 flat ; aperture ovate, considerably more than one third the length of 

 the axis ; peristome sharp, flatly convex on the outer margin and 

 rounded below; columellar margin reflected, nearly covering the rima- 

 tion, an internal fold. 



Longest specimen : — 



Major diam. 0-28, alt. axis 0-66, alt. apert. 032 inch. 

 „ „ 7"3, „ 16'8, „ 8*0 millim. 



Shortest specimen : — 



Major diam. 0'21, alt. axis 0"50, alt. apert. 0'26 inch. 

 „ „ o"5, „ 13"0, „ 6"8 millim. 



[On trees, not uncommon on hill-slopes ; these are from those 

 bounding the GoUonsir valley. — B. BJ] 



The older specimens lose much of tlieir coloration ; but the fine 

 mottling can generally be made out. 



8. BuLiMiNus (AcHATiNELLOiDEs) TIGRIS, n. sp. (Plate 

 LXVin. fig. 6.) 



Shell rimate, ovately fusiform, solid, smooth and polished ; sculp- 

 ture lines of striae discernible under lens; colour white and buff-brown, 

 streaked dingonally below with narrow bands of brown ; above, each 

 whorl ornamented with jagged regularly disposed transverse bands 

 of the same colour ; spire elongately pyramidal, sides slightly con- 

 vex ; suture shallow ; whorls 6, sides slightly convex ; aperture oval, 

 subvertical ; peristome thick, regularly convex on the outer margin ; 

 columellar margin with a strong plication, very little reflected. 



