64 HELIX-PAPTJINA. 



front shortly and abruptly descending. Aperture oblique, sub- 

 quadrate ; peristome white, thin, broadly expanded and reflexed, the 

 upper margin sinuated, colurnellar margin dilated, appressed. 

 Alt. 20, greater diam. 3(H, lesser 21 i mill. (Smith.) 



South Cape, British New Guinea. 



H. (Papuina) Rollsiana E. A. SMITH, Ann. Mag. N. H. 5th. Ser. 

 xix, p. 423, t. 15, f. 3, 1887. 



H. COMRIEI Angas. PI. 17, figs. 37, 38. 



Shell imperforate, conically semi-globose, rather solid, rugosely 

 spirally grooved, and obliquely finely striated, opaque, whitish ; 

 spire conoidal, obtuse ; whorls 4, rather convex, the last descending, 

 subangulated at the periphery, somewhat flattened at the base, and a 

 little excavated behind the aperture ; aperture diagonal, oval-oblong, 

 pale brown within, peristome white, margins converging, united by 

 a thin callus, right margin sinuous, rather expanded and reflexed, 

 columellar margin dilated and appressed. (Adams & Angas.) 



Alt. 20, greater diam. 27, lesser 21 mill. 



Shores of Huon Gulf, Eastern New Guinea. 



H. comriei ANGAS, P. Z. S. 1876, p. 489, t. 47, f. 4, 5. TAPP. 

 CAN., Ann. Mus. Civ. Genov. xix, p. 155, (transl. of desc.) 



(11.) GROUP OF H. EDDYSTONENSIS. 



Umbilicate; low-trochiform, the base convex; outer lip expanded, 

 basal lip reflexed, expanded at the insertion and partly concealing 

 the umbilicus ; surface sculptured with fine forward- descending 

 wrinkles. Columella often having a callus fold or obtuse tooth. 



H. EDDYSTONENSIS Kceve. PI. 10, figs. 79, 80. 



Umbilicate ; low-trochiform, solid, angulated or sub-carinate at 

 the periphery. Surface striatulate and closely sculptured with fine 

 forward-descending wrinkles, becoming concentric on the base. 

 Spire low-conic, apex obtuse ; earlier whorls whitish-corneous ; 

 whorls 5, somewhat convex, the last not descending in front, obtusely 

 keeled at the circumference. Color opaque buff, with a lighter peri- 

 pheral zone having a brown band above and below it, and often a 

 few other obscure bands both above and beneath. 



Aperture oblique, within showing the white and dark bands and 

 somewhat streaked with brown. Peristome white (often tinted 



