LACHESIS. 995 
toothed within, without sinus; color usually reddish brown, 
sometimes spotted ; operculum yellowish. Length, 5-8 mill. 
British Channel to Southern Europe, W. Africa. 
The spire is sometimes truncated in live specimens. On the 
Southern Coast of England and the Channel Islands the species 
is common but local, in the laminarian zone, upon rocky and 
stony ground. The animal swims with the foot upwards. 
There is a large synonymy: Fusus turritellatus, Desh., Fusus 
subnigrus, Brown, L. mamillata, Risso (fig. 14), Pl. Chawveti, 
and Pl. perlatum, Requien, Murex Folinex, Chiaje, granulata, 
Risso, Pl. multiplicata (Forbes), Reeve (Pl. 27, fig. 4), Bue. 
Lefebrui, Marav. There are a number of color varieties distin- 
guished by Jeffreys, Monterosato and Tiberi. 
L. VULPECULA, Monterosato. PI. 33, fig. 67. 
Whorls very convex, with deeply impressed sutures, spire 
longer, canal more pronounced, longer than in L. minima, some- 
what recurved, aperture not toothed; sculpture strong but narrow, 
forming a clathrate surface. Length, 5°3 mill. 
Mediterranean. 
It is L. recondita, Brugnone. 
L. CANDIDISSIMA, Phil. PI. 32, fig. 23, 22. 
Shell of seven whorls, strongly granulated by decussating 
sculpture; outer lip toothed within; usually white, sometimes 
yellowish, or with the granulations darker. Length, 10 mill. 
Mediterranean; W. Africa. 
The colored variety referred to above is ZL. lineolata, 'Tiberi 
(fig. 22) — L. Massena, Chiaje, not Risso. 
L. Forine#, Phil. PI. 32, fig. 25. 
Shell ovate-fusiform, of six rather flattened whorls, with 
shallow longitudinal and revolving grooves, cutting the surface 
into squares; lip with two remote tubercles; canal suboblique, 
very short, dilated at the base ; surface fuscous, the sulci fulvous 
or white. Length, 7°5 mill. 
Mediterranean (very rare). 
This is Z. areolata, Tiberi, and Fusus granulatus, Caleara. 
L. PELLIS-PpHoc#, Reeve. PI. 27, fig. 3. 
Shell with close, fine, longitudinal and revolving lines, lip 
