MOLLUSCA OF INDIA. 113 
tenui, politissima, virenti-cornea vel castanea ; spira vx elevata, 
vertice subtili, obtuso ; sutura profunda ; anfractibus 43, convewis, 
sensim accrescentibus, ultimo rotundato, non descendente ; apertura 
parum obliqua ; rotundato-iunari ; peristomate simplice, recto, mar- 
ginibus convergentibus, dextro antrorsum subarcuato, columellari 
arcuatim descendente, superne breviter reflexo. 
** Diam. maj. 24, min. 20, alt. 11 mill. 
“ Hab, in insula Ceylon (Thwaites).” 
Shells depressedly conoid, of large or moderate size, the surfaces 
perfectly smooth. 
Macrocuiamys atricotor, Godwin-Austen. (Plate XXTV. fig. 1.) 
Helix (Nanina) atricolor, J. A. 8. B. 1875, p. 2, pl. 1. fig. 2. 
Nanina (Macrochlamys) atricolor, Nev. Hand-list, p. 20, as var. 
of resplendens, Phil. 
Locality. N. Cachar Hills (typical locality). 
Sculpture none, perfectly smooth; colour olivaceous ochre or 
umber-brown, with a stronger band of colour bordering the peri- 
stome. 
Largest specimen :— 
Size : maj. diam. 22°5, min. 19°5; alt. axis 9°4, body-whorl 8-8 mm. 
Original description: —‘* Shell imperforate, depressedly conoid, very 
strong ; colour varying from rich bright brown to greenish ochre, 
pure brown or ochre near aperture, with a glassy surface finely 
striated (7. e. by mere transverse additions of growth); spire flatly 
conoid ; whorls 63, periphery rounded, flat at base; aperture sub- 
oblique, broadly lunate; peristome well thickened and slightly 
reflected near the columella. 
“ Major diam. 0-93, minor 0°85, alt. 0-45 inch. 
‘*¢ Animal quite black throughout ; tentacles long, with extremities 
paler; extremity of foot short and glandular, as in Nanina de- 
cussata, Bs.” 
Size: maj. diam. 23-0, min, 21-0; alt. axis 8°75, body-whorl 7-2 mm. 
5 OO, wt Weon” a Otae, <3 0-28 inch. 
‘“* Habitat. On the higher parts of the North Cachar Hills, never 
seen to the westward of that portion of the range, and tolerably 
abundant in certain spots.” 
The colour of the animal is its most distinctive character. 
Macrocutamys atricotor, Godwin-Austen (large var.). (Plate 
XXIV. fig. 2.) 
Locality. Munipur Hills (MZ. J. Ogle). 
Shell subperforate, depressedly globose, base very flat, shining 
polished surface, perfectly smooth; colour dark chestnut-brown, 
brighter and more ochraceous near the peristome; spire flat and 
apex rather rounded; suture shallow; whorls 5, regularly in- 
m 2 
