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. Bul. tcstd valcl'P fusifovmi, pellucide fused albo 

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

 lat. -if poll. 

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

 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. Bul. tcstd j)yramidali, turritd, elongatd, tenui, 

 subalbidd lineolis castaneis longitvdiiialibus frequentibus varid ; 

 anfractibus 8 lo7ujitudinaliter striutis ; umbilico mediocri ; epider- 

 mide tenui : long . 1 §, lat. -iV 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 strice are rather coarse. 



Found on small bushes. — W. J. B. 



BuLiNus scuTULATUS. Bul. festd pi/ramidttU, tenui, albidd vel fulvd, 

 lineis, macvlis fasciisque castaneis interrupt is scutulatd ; anfrac- 

 tibus 8 subrotundatis longitudinaliter striatis ; umbilico subob- 

 tecto : long. -,%-. l(it. -iV poll. 



Hab. in Peruviae coUibus. (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 TURRiTus. Bul.testd tm'ritd, imperforatd ; anfractibus 10 

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



Hab. in Peruvian 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 PULCHELLtTs. Bul. tcstd elongutd ; anfractibus 7 longi- 

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

 fasciatis, fasciis subnigro- castaneis ; umbilico mediocri: long* In*,,, 

 lat. -^ 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. Bul. tcstd ovato-pyramidali, albica?ite, .y)arsim 

 diaj)liand quasi erosd ; anfractibus 6 ventricosis longiludinaliter 

 subrugoso-striatis ; apice solidulo, subpnpillari : long. }^, lat. ,V 

 poll. 



