106 



what reflected so as partially to conceal tlie umbilicus. 01d shells of 

 this species are of a dead \vhite, with the exception of the columella 

 and aperture. — W. J. B, 



BuLiNus AFFiNis. Bul. testd valde fuslformi, pellucide fuscd albo 

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

 lat. ^poll. 

 Hab. in Peru via. ( Mexillones, desert of Atacama.) 

 Found in small crevices of the dry earth on the top of themoun. 

 tain Mexil]ones, 2000 feet above the sea. — W. J. B. 



BuLiNDS MODESTUS. Bul. tcstd pyramidūU, turritd, elongatd, tenui, 

 subalbidd lineolis castaneis longitudinalibus fi'ecuentibtis varid ; 

 anfractibus 8 longitudinaliter striatis ; umbilico mediocri ; epider- 

 mide tenui: long. \%, lat. ^~j poli. 

 i7aS. 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 stricB are rather coarse. 

 Found on small bushes. — W. J. B. 



BuLiNus scuTULATUS. Bul. t C st d pyramidūU, tenui, albidd velfulvd, 

 lineis, macvlis fasciisque castaneis interruptis scutvlatd ; anfrac- 

 tibus 8 subrotundatis longitudinaliter striatis į umbilico subob- 

 tecto : long. ^V. l^t- tV poll. 

 Hab. in Peruviae collibus. (Islay.) 



This shell varles 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. tcstd turritd, imperforatd ; anfractibus 10 



subst?'iatis, albidis, castaneo-fasciatis : long. 4-Į-, lat. -rV poli. 

 Hab. in Peruviae montibus. (Truxillo.) 

 Obs. Species Turritellam mentiens. 



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

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

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

 the middle, and one tovvards the base. 

 Found under stones. — W. J. B. 



BuLiNus PULCHELLUS. Bul . tcstd elongutd ; anfractibus 7 longi- 

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

 fasciatis, fasciis subnigro - castaneis ; umbilico mediocri : long . 1 -r*o , 

 lat. -į- poli. 

 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. 



** Labiu externo tenui subreflexo, acuto. 

 BuLiNUS EROSUS. Bul. testd ovato-pyramidali, albicante, sparsim 

 diaphand guasi erosd; anfractibus 6 ventricosis longitudinaliter 

 subrugoso-striatis ; apice soUdulo, subpapillari : long. ^'-į-, lat. -to- 

 poli. 



