i9i8.] 



H. H. Godwin-Austen : Mollusca, IX. 



605 



Jaw with manj^ plates. Radula with simple median teeth, a 

 side cusp or ectocone coming in, the marginal have the mesocone 

 lengthened and finally in the outermost marginals this becomes 

 bifid and the ectocone also. 



Shell small orbiculate, about 10 mm. in major diameter, openly 

 umbilicate. Whorls closely wound. 



"This genus includes also damsangensis of Sikhira, hengdanensis 

 of North Cachar, aborensis of the Abor country and radleyi of 

 Ceylon (by dissection). 



A 



i^" 



^ 



J^^ 



-^8^; 



V\G. 2 A. — Laiidoui'in hiittoiii (Ph.), X 2*2. 



2 A'.— 

 2 B.— 



2 C— 

 2 D.— 



2 E.— 



basal side, X 2"2. 

 damsangensis, n. sp., X 2'2. 

 (ibflrensis, n. sp., X 4. 



X 2-2. 

 hengdanensis, n. sp., X 2"2, 



Landouria huttoni (Pfr.) 

 (Text figs. 2 A, A' and tixt-fig. 3). 



/-/elix huttoni, Pfr., Symb. II, p. S2. 



Helix ovbicula, Hutton, Jour. A.S.B. VII, p. 217. 



Habitat. — Himalaya near Simla, Mahasu {Button) ; Landour 

 {Benson). 



I take this species first, having seen the animal. 



Description: '' Testa orbiculato-convexa, fuscescente, epider- 

 " mide scabra ; anfractibus sex convexiusculis ; periphaeria sub- 

 ''angulate; umbilico profundo latiusculo ; peritremate subrotun- 

 " dato, acuto. Diam. 0*4 (B.)." 



From Mussoorie, N.-W. Himalaya. I give the following des- 

 cription of a specimen found there by myself. 



Shell perspectively umbilicated, orbiculate, slightly convex, 

 sculpture in the young shell, the epidermis when wetted appears 

 rough and spotted, spots in relief and irregular, colour pale 

 corneous; whorls 6, slightly convex, the last angulate and scarcely 

 descending. Aperture oblique, roundly lunate ; peristome simple. 



