108 The Shell-Collector’s’ Handbook. 
parent, reddish, with brown and whitish longitudinal, 
undulatory wrinklings. 
v. tenuior (Shuttlew): Shell smaller, very thin, trans- 
parent, reddish, unicolor. (Moll. Corse in Mittheil nat. 
Gesellsch, Bern. 1843, p. 17). : 
v. nigrescens (Moq.): Shell blackish or of a very 
smoky brown-black, nearly unicolour. 
v. grisea (Mog.): Shell tawny or greyish, with ex- 
tremely pale bands. 
v.albescens (Picard): Shell whitish, banded with 
reddish, or marked with flame-shaped markings of the 
same colour. 
v. unicolor (Moq.): Shell light tawny, unicolor. 
v. flammea (Picard): Shell reddish, without distinct 
bands, but with longitudinal flame-shaped markings, more 
or less interrupted. (=var. d. rufescens, 1. flammea, 
Picard). 
v.obscurata (Mog.): Shell reddish, with some 
large pale brown bands that are more or less confused in 
the ground colour. 
v. zonata (Mogq.): Shell reddish or pale yellowish, 
with five narrow bands, of which the three upper ones are 
continuous. (var d. rufescens, 2. fasciatus. Picard. 
var. quinque fasciata, Reg! Cat. 1848, p. 43). 
v. virescens (Moq.): Shell greenish-yellow, unicolor. 
(= var. virescens concolor. Reg! loc. cit). 
v.exalbida (Menke): Shell yellowish or whitish, uni- 
color. 
v. semifusca (7. D. A. Cockerell): Shell with a band 
formula of (123) 45, and with all the space between the 
suture, and the situation of the third whorl covered with 
chocolate-brown. 
v.lutescens (7. D. A. Cockerell): Shell yellow, 
with pale red-brown bands; lip white. 
v. albofasciata -(Jeff.): Shell reddish-brown, with a 
single white band. (B.C. vol.i., p. 181). 
