MOLLUSCA. 61 



eingulata, striis undulatis granulosis obliquis et lineis concentricis decussata, anfractibus sex., planiusculis, 

 ultimo basi convexo, fasciis duabus fulvicantibus circumdato, carina et regione umbilicali opaco-albis, 

 apertura depressa, angulata, obliqua, peristomate simplici, acuto. 



Animal of a delicate sub transparent pinkish colour, the free lobes of the mantle moveable, and often 

 extended from the fore part of the shell; eye-peduncles long, the truncatures for the eyes very broad, 

 tentacles rather long and clavate ; foot compressed, finely crossed with oblicpie lines, and margined in- 

 feriority, the end with a large hollow muciparous follicle, ending below in a sharp, moveable, rather 

 recurved process. 



Hab. Balambangan, Borneo. 



This beautiful and singular species lives among the foliage of the low trees, about which 

 it crawls with surprising rapidity, reminding one of the movements of the Vitrlnce more than 

 those of the Helicidce. 



11. Helix antiqua. PI. XYI. Kg. 1. H. testa globoso-acuminata, solida, obtecte perforata, alba, 

 oblique striata, anfractibus quatuor ad quinque, subrotundatis, ultimo inflate, apertura. oblique orbiculari, 

 labro late effuso-reflexo, umbilicam fere tegente. 



Hab. Borneo. 



A shell of antique elegance of form, found in a dead state among loose stones in the 

 province of Unsang, Borneo. 



12. Helix Coreanica. PI. XVI. Fig. 2. H. testa depresso-globosa, perforata, rufo-spadicea, ru- 

 gulosa, oblique striata, fascia pallida eingulata, apicem versus albicante, apertura lunato-ovali, peristo- 

 mate simplici, acuto. 



Hab. Corean Archipelago. 



This is the common snail of the islands of the Corean Archipelago, where it is used as 

 an article of food. 



13. Helix leucostojia. PI. XVI. Pig. 3. H. testa orbiculari-conoidea, umbilicata, glabra, oblique 

 striata, apud suturam opaco-alba, anfractibus quinque, convexis, flavescentibus, fasciis rufo-spadiceis cir- 

 cumdatis, apertura lunato-transversa, intns alba, nitida, peristomate albo, valde reflexo, margine inferiore 

 calloso. 



Hab. Philippine Islands. 



Very like IT. septdc/iralis, but differing slightly in form, and distinguished by a marked 

 peculiarity of colouring. 



14. Heltx obientalis. PL XVI. Pig. 4. H. testa depresso-globosa, profunde umbilicata, fusco- 

 aurantia, oblique striata, lineis numerosis elevatis minutis concentricis decussata, anfractibus quinque, 

 subrotundatis, fasciis duabus castaneis cingulatis, apertura lunato-elliptica, peristomate reflexo, intus 

 violaceo-corneo. 



Hab. Borneo. 



II 



