106 



what reflected so as partially to conceal the umbilicus. Old shells of 

 this species are of a dead white, with the exception of the columella 

 and aperture. — W. J. B. 



Bulinus affinis. Bui. testd valde fusiformi, pellucide fused albo 

 ' fucatd, longitudinaliter striato-rugosd ; umbilico obsoleto : long. 1, 

 lot. \poll. 

 Hab. in Peruvia. (Mexillones, desert of Atacama.) 

 Found in small crevices of the dry earth on the top of the moun- 

 tain Mexillones, 2000 feet above the sea. — W. J. B. 



Bulinus modestus. Bui. testd pyramidali, turritd, elongatd, tenui, 

 subalbidd lineolis castaneis longitudinalibus frequentibus varid ; 

 anfractibus 8 longitudinaliter striatis ; umbilico mediocri ; epider- 

 mide tenui: long. l-§-, lat. T V poll. 

 Hab. in Peruviae montibus. (Huacho.) 



The body-whorl of young shells of this species is somewhat cari- 

 nated in the middle. The old shells vary in colour, but are all of 

 a sombre hue. The longitudinal stria are rather coarse. 

 Found on small bushes.- — W. J. B. 



Bulinus scutulatus. Bui. testd pyramidali, tenui, albiddvel fulvd, 

 lineis, maculis fasciisque castaneis interrupts scutulatd ; anfrac- 

 tibus 8 subrotundatis longitudinaliter striatis; umbilico subob- 

 tecto : long, ^%-,'lat. T 5 - poll. 

 Hab. in Peruviae collibus. (Islay.) 



This shell varies much in its colour and markings. The body- 

 whorl is generally more or less banded, and there is often an ob- 

 scure whitish band at the base. 



Found on an Helianthus. — W. J. B. 



Bulinus turbitus. Bui. testd turritd, imperforatd ; anfractibus 10 



substriatis, albidis, castaneo-fasciatis : long. -H-, lat. W poll. 

 Hab. in Peruviae montibus. (Truxillo.) 

 Obs. Species Turritellam mentiens. 



The chestnut bands are three on the upper whorls ; one at the 

 suture, and two near together about the middle. On the body- 

 whorl there are four ; one at the suture, two near together towards 

 the middle, and one towards the base. 

 Found under stones. — W. J. B. 



Bulinus pulchellus. Bui. testd elongatd ; anfractibus 7 longi- 

 tudinaliter elevato-striatis, albidis, ultimo trifasciato, cteteris bi- 

 fasciatis, fasciis subnigro - castaneis ; umbilico medio cri : long .\ T %, 

 lat. 4- poll. 

 Hab. in Peruviae montibus. (Truxillo.) 



This pretty species was found on a species of Aloe, on hills about 

 500 feet above the level of the sea. — -W. J. B. 



** Labio externo tenui subreflexo, acuto. 

 Bulinus erosus. Bui. testd ov at o -pyramidali, albicante, sparsim 

 diaphand quasi erosd ; anfractibus 6 ventricosis longitudinaliter 

 subrugoso-striatis ; apice solidulo, subpapillari : long, ^-f, lat.^%- 

 poll. 



