OCR Text |
Show 804 LIEUT.-COL. H. H. GODWIN-AUSTEN O N [June 21, Shortest specimen :- Major diam. 0*36, alt. axis 0*77, alt. apert. 0*44 inch. 90 19*7 .. 11*2 millim. [Most abundant on the trees upon the plain in the vicinity of Hadibu, on a Croton, which was the commonest undershrub.-B. B.~\ This shell is closely allied to A. Balfouri; but it may be known at once by its more elongate form, coarser sculpture, and elaborate ornamentation. 4. BULIMINUS (ACHATINELLOIDES) HADIBUENSIS, var. ALBA. (Plate LXVIII. fig. 4.) Puie white. I give a figure of the base, right side, showing the rimation ; but its narrowness is, I think, due to immaturity, and not of much value. Major diam. 0*36, alt. axis 0*82, alt. apert. 0*42 inch. „ „ 9*0, „ 21*0, „ 10*5 millim. This shell is very close to A. hadiBuensis; but the sculpture so coarse. Var. minor has splashes of pale brown upon the whorls, and measures:- Major diam. 0*48, alt. axis 0*13 inch. ,, ,, 12*0, ,, 3*3 millim. 5. BULIMINUS (ACHATINELLOIDES) BALFOUKI, n. sp. (Plate LXVIII. fig. 5.) Shell narrowly and deeply rimate, ovately fusiform, solid ; sculpture regular close oblique costulation ; colour generally white, with a few dark distant longitudinal splashes on the four apical whorls; spire elongately conoid, sides convex, apex moderately sharp, suture shallow ; whorls 7, last the largest, sides convex ; aperture elongately ovate, nearly half the length of the shell, with a strong callus on the body-whorl in many specimens ; peristome sharp, straight on the outer margin ; columellar margin straight, reflected over the rimation, with a well-marked internal fold. Longest specimen :- Major diam. 0*39, alt. axis 0*83, alt. apert. 0*39 inch. „ 10*0, „ 21-5, „ 10*0 millim. Shortest specimen :- Major diam. 0*38, alt. axis 0*68, alt. apert. 0*38 inch. „ „ 9*5, „ 17*8, „ 9*5 millim. Animal pale ochraceous, with minute speckling of brown ; tentacles pale, elongate, attenuate, pointed. In some the head is mottled dark olivaceous ; no pallial line. Locality. General all over the island. |