OF NEW SOUTH WALES. 107 



narrow and one broad contiguous to that at the suture ; spire 

 conoid, apex dark brown, obtuse, whorls 5, slightly convex, 

 rounded at the periphery, convex at the base, ornamented with 

 eight narrow spiral chestnut lines ; aperture diagonal, roundly 

 lunate, peristome rose pink, slightly expanded and reflected, colu- 

 mellar dilated and reflected, concealing one-fourth of the umbi- 

 licus. 



Variety. With chestnut band on the periphery, and running 

 spirally round the suture to the apex. 



Diam. Maj. 10, min. 8, alt. 6| lines. 



Hab. Banks of Katow River, New Guinea. 



Two specimens only found of this species on trees. 



21. — Helix (Geotrochus) Braziers. 



Shell with covered umbilicus, depressly conical, rugosely 

 obliquely and spirally striated, yellowish-brown, marbled with 

 blackish-brown flames, whorls 4 to 4J, convex, the last large, de- 

 scending in front, apex conoid, obtuse, upper whorl nearly smooth, 

 brown, periphery moderately rounded, base convex, marked as 

 above, aperture oblique, lunately ovate, peristome white, thickened 

 and reflected, interior of aperture bright brown, margins approxi- 

 mating, the right descending, columellar margin thickened, dark- 

 brownish and expanded over the umbilicus. 



Diam. Maj. 13, min. 10|, alt. 8 J lin. 



Hab. Yule Island, New Guinea, found on trees. 



This species resembles in its markings Helix Lombei, Pfr. from 

 Solomon Islands. 



22. — Helix (Geotrochus) Zeno. 



Shell imperforated, globosely turbinated, obliquely and trans- 

 versely minutely rugosely grained, thin, flesh colom*, encircled with 

 eleven dark-brown bands having white between ; in front all run 

 into one, spire short, apex obtuse, rose pink, whorls 4J, convex, 

 the last large, deflected in front, constricted behind the aperture, 

 which is oblique and somewhat square, peristome purple black, 

 margins approximating, and joined by a thin callus, the right de- 



