58 ZOOLOGY OF THE VOYAGE OF H.M.S. SAMARANG. 



on aquatic plants in ditches ; while Peronia, like Onchidoris, lives among the stones on 

 beaches, but, unlike the latter genus, above high-water mark, a little beyond the influence of 

 the tide. 



51. BULIMUS, Lamarck. 



1. Bulimus gbegarius. PI. XIV. Pig. 4. Bui. testa cylindraceo-turrita, compresse umbilicata, 

 anfractibus octo, oblique impresso-striatis, suturis inipressis, columella verticaliter dilatata, apertura, parva, 

 subquadrato-ovata, labro subreflexo ; pellucido-cornea. 



Hab. Sarawak, Borneo. 



The oblique striae are extremely superficial, and the shell is of a thin horny substance. 



2. Bulimus Meiacoshimensis. PI. XIV. Fig. 5. Bui. testa, subpyramidali-oblonga, vix umbilicata, 

 anfractibus decern, subangustis, columella verticaliter reflexa, apertura rotunda ; pellucido-cornea. 



Hab. Islands Ty-pin-san and Koo-Kien-san, Meiacoshirna group, Yellow Sea. 

 A small thin horny species, collected among the loose stones and leaves about 

 the tombs. 



3. Bulimus chloris. PL XIV. Fig. 10. Peeve, Concli. Icon. Bui. pi. 37. f. 223. 



The animal of B. chloris is of a pale brown colour, always differing in this respect from 

 that of B. citrinus, and of extremely vivacious habits. A bushel of them, collected on the 

 mountains of Mindanao, soon dispersed themselves all over the cabin in which the basket 

 was deposited. The shell was of the same elongated form and deep yellow colour through- 

 out, with no indication of bands or marking. 



4. Bulimus citrinus. PI. XIV. Fig. 11. Bruguiere, Eeeve Concli. Icon. Bui. pi. 31: f. 187 a. 

 The animal of this variety of B. citrinus is marked with dark colour, especially about 



the head and neck, corresponding in a manner to the pattern of the shell. It inhabits in 

 comparative plenty the low trees and bushes of Rhio and other small islands in the vicinity 

 of Singapore ; the specimen figured is from a little islet off Biliton. 



5. Bulimus Adamsii. PI. XV. Fig. 1 a, i. Eeeve, Concli. Icon. Bui. pi. 13. f. 73 a, b, c, d. 

 Hab. Eastern coast of Borneo, on a tall tree in an islet between Banguey and Balambangan. 



Two varieties of this beautiful species were described in the ' Conchologia Icoriica,' on 

 the return of the Samarang, about two years since. A tree which was being cut down in the 

 above-mentioned islet, fell upon one of the carpenters, depriving him for a time of sensation. 

 What proved a misfortune to the man was a gain to science, for a number of this deli- 

 cately-painted Bulimus were found adhering to the tree. 



Dr. Gould, of Boston, United States, communicated to us his opinion that it might be, 



