i66 HEUCIDJ^, 



grey, thick, bulbs oval, very obtuse, occupying nearly half of the 

 tentacles ; foot oblong, narrow, of a uniform pale ash-colour, 

 tail slightly pointed. 



Shell dextral, somewhat cylindrical, thin, semitransparent, 

 glossy, pale brown or horn-colour, with numerous delicate, slant- 

 ing and slightly curved transverse striae ; periphery rounded 

 (sharply keeled in immature specimens) ; epidermis thin ; 

 whorls 5-6I, rounded, gradually increasing ; spire conical, apex 

 obtuse ; suture deep ; mouth toothless, forming two-thirds of a 

 circle ; outer Up thin, scarcely reflected, except over the umbili- 

 cus ; umbilicus narrow, but deepish. 



Inhabits woods, under stones, among moss and 

 decaying leaves, at the roots of grass, and on the 

 fronds of ferns, in many parts of Great Britain, as 

 well as in Ireland and Guernsey, but it is local. 



Moquin-Tandon says that it is timid and draws 

 in its tentacles upon the slightest touch, that when 

 crawling it slightly uplifts its shell, carrying it in an 

 oblique position, and that its slime is watery. 



Var. columella.— ^YioSS. rather longer, body whorl slightly 

 broader than the one above it. Inhabits moister places than 

 the type. Finnoe, Co. Tipperary (Waller), B.C, Near Bir- 

 mingham (G. Sherriff Tye), J.C, 



9. V. MINUTIS'SIMA,* HARTMANN. Pl. IX. 



Body grey tinged with slate-colour, spotted with black, finely 

 shagreened ; mantle greyish-brown ; tentacles slaty-grey spotted 

 with black, moderately transparent, widely diverging, separated 

 by a narrow groove, very much swollen at their base, which is 

 broadly margined with black, bulbs very slightly globular ; foot 

 pale slaty-grey, tail triangular and bluntly pointed. 



Shell cylindrical, narrower, more solid, and much smaller than 

 V. edentula, semitransparent, glossy, horn-colour more or less 

 tinged with yellowish-brown, strongly, closely, and obliquely 



* Exceedingly small. 



