384 Mr. W. H. Benson on new Cingalese Land-Shells. 



cent Helices of Ceylon, and remarkable for the beautiful spiral 

 impressed sculpture on both sides. 



Helix miccyla, B. n. s. 



Testa imperforata, globoso-conoidea, tenui, striatula, nitidula, fusco- 

 cornea, translucente ; spira truncato-conica, sutura impressa, apice 

 obtusissimo ; anfractibus 4 convexis, ultimo globoso, antice sensim 

 descendente ; apertura lunato-rotundata, obliqua, peristomate 

 acuto, margine dextro arcuato, columellari acuto, verticali, cum 

 basali angulum fere rectum efformante. 



Long. If, diam. 1 mill. 



Habitat ad Matelle. 



Allied to H. Orcula, B., of North-eastern India, but smaller, 

 destitute of the peculiar sculpture of that species, and distin- 

 guished by its very obtuse apex and by the formation of the 

 columellar lip. It was found by Mr. F. Layard on the bark of 

 an orange-tree near his house at Matelle. 



Achatina serena, B. n. s. 



Testa ovato-pyramidata, solidiuscula, politissima, obsolete vix stria- 

 tula, fulvo-cornea, pellucida ; spira elongata, subturrita, apice sub- 

 ito obtusato, sutura impressa, submarginata, crenulata ; anfracti- 

 bus 6^-7 subconvexis, superne prope suturam breviter convexis, 

 ultimo ad basin vix compresso ; apertura verticali % longitudinis 

 sequante, subtriangulari-ovata, peristomate recto obtusiusculo, 

 margine columellari valde arcuato, albido-calloso, ad basin abrupte 

 et oblique truncate. 



Long. 20-21 ; diam. 9-9 mill. ; apert. 9 mill, longa, 5J lata. 



Habitat ad Akurambodie, pago Matelle septentrionali. 



Distinguished from the stouter and shorter variety of A. in- 

 ornata, Pfr., by its shorter and more obtuse spire, by the suban- 

 gulate form of the whorls below the suture, and by its smoothness 

 and polish. In the latter feature, also, it differs from A. para- 

 bilis, B., which it exceeds in the comparative length of the spire. 

 As in A. inornata, there is a more slender variety, 21 mill, in 

 length by 9 in diameter. 



Achatina pancetha, B. n. s. 



Testa ovato-oblonga, tenui, obsolete striatula, nitidissima, pellucida, 

 olivaceo-cornea ; spira ad apicem obtusiuscula, lateribus convexi- 

 usculis, sutura valde impressa, vix marginata, crenulata ; anfrac- 

 tibus 6 convexiusculis, superne prope suturam breviter convexis, 

 ultimo longitudinis superante ad basin compressiusculo ; aper- 

 tura subverticali, subtriangulari-ovata, peristomate crassiusculo, 

 obtuso, polito, albido, marginibus callo iuconspicuo junctis, colu- 



