HELIX. 45 



Var. ALLENIANA, Paiva. Figs. 44, 45. 



'Lenticular, with acute keel, white below with a narrow chestnut 

 band around the umbilicus and a broader one (sometimes two) 

 towards the keel, above mottled with white and chestnut. 



Madeira. 

 Var. LINCTA, Lowe. Figs. 54, 55. 



Shortly pyramidal, granular above, smoothish below, umbilicus 

 subpatulous, keel obtuse, colors as in preceding variety. 



Madeira. 

 Var. ARENICOLA, Lowe. Figs. 63, 64. 



Much smaller, somewhat thinner, and paler in color than the 

 preceding variety. 



Madeira. 

 It is H. lincta, var. /?, cinerea, Lowe. 



Var. BARBOS^E, Paiva. Fig. 68. 



Conical, acutely keeled, striate above, granular all over, darkly 

 clouded above with dark brown and chestnut, with a livid tinge, 

 below with irregular brownish markings next the periphery, the 

 middle pale. 



Porto Sancto. 

 Var. PULVINATA, Lowe. Figs. 71, 72. 



Finely granular, whorls all a little exserted showing a sutural 

 carina besides the peripheral one. 



Porto Sancto. 

 Var. PAPILIO, Lowe. Figs. 73-76. 



Whitish, substrigated or tessellated with chestnut, granular, base 

 smooth, umbilicus minute, margins of peristome scarcely approach- 

 ing. 



Ilheo de JBaxo, near Porto Sancto. 



It is var calcigena, Lowe, and H. testudinalis, var. minor, Paiva. 



Var. DISCINA, Lowe. Figs. 77-79. 



Depressed, minutely reticulately granular, marbled with chestnut 

 above, banded below ; whorls subplanate, umbilicus large, spiral. 



Porto Suncto. 



Var. GOMESIANA, Paiva. Fig. 87. 



Smaller than the preceding variety, more thickly granulated, 

 keel not quite so sharp, more convex, darker above and less varie- 

 gated, base more opaque, sides of umbilicus more abrupt. 



Porto Sancto. 



