76 MOLLUSCA. 
Length of axis five-sixths of an inch; breadth six-tenths of an inch. 
Found by Dr. Pickering, on the Organ Mountains, Brazil, crawling 
on bushes, near the water. 
This shell, with its thick green epidermis, looks like a Paludina, es- 
pecially like fresh specimens of P. decisa, Say, which have similar 
series of cilie. Another Brazilian species (B. velutino-hispidus, Moric.), 
has a similar velvety vesture, but it is a more globular, heliciform 
species. 
Figure 80, front view of the shell; 80 a, side view of the shell, with 
the animal. 
Burimus suncevs (Gould). 
Testa parva, elongato-conica, tenuis, translucida, dilute virens, concinné 
striata, viz perforata: spira ad apicem obtusa ; anfractibus septem 
convexiusculis, superné contabulatis : apertura elongato-ovata ; labro 
semplici, ad columellam vix reflexo. 
Bulimus junceus, Goutp ; Proceed. Boston Soc. Nat. Hist., ii. 191. 
Dec. 1846. Expedition Shells, 32. Prerrrer; Monog. Helic. Viv., 
ii. 220. 
SHELL small, thin, translucid, elongated, turreted, of a pale green 
colour, obtuse at apex, covered with delicate longitudinal strie. 
Whorls seven, slightly convex, presenting a broad shoulder above. 
Aperture long ovate: lip simple, on the left slightly reflected over a 
minute umbilical chink: the last whorl about one-third the length of 
the whole shell. 
Length of axis three-tenths of an inch; breadth one-tenth of an 
inch. 
Inhabits Tahiti and Eimeo. 
This shell very closely resembles a West India species, and is, per- 
