AMALIA. 31 
Family.—LIMAaciD&, 
Body more or less carinated ; respzratory orifice behind the centre 
of the mantle-margin ; she// distinctly formed ; no stcme gland. 
Genus.—AMALIA Moguin-Tandon. 
This genus is a link between dvzon and Lzmax [see table, p. 20]. 
It differs from A7zo2 (1) in the position of the respiratory orifice, 
which, in Amalia, is placed behind the centre of the mantle-margin ; 
(2) the shed/ is distinctly formed ; (3] the s/¢ve-gZand is absent ; (4) it 
is carinated ; while it resembles 4770 in having the mav¢/e granulated. 
I. A. GAGATES (jet) Draparnaud. 
ody dark lead colour, paling on sides, bandless, marked with 
rugosities parallel to the keel ; mantle granulated, rounded oblong in 
shape, marked with a horse-shoe shaped groove; ¢evztac/es slate colour; 
keel extending the whole length of the body from the mantle to the 
posterior extremity ; s/¢ze colourless ; /oot-sole pure white ; /ength 
24 inches. 
Mr. R. D. Darbishire was the first to notice this 
species in Britain, finding a specimen at Portland, in 
me52, Eee, presented it to Professor Forbes, who 
identified it. It 1s said, however, that B. J. Clarke found 
it in Ireland in 1843. 
It is a local slug, though with a wide range throughout 
the British Isles as far north as the Clyde. It mostly 
affects sea-coast counties, though it occurs in Shropshire, 
Notts, and Hereford, and on one occasion I took two 
individuals of the var p/umbea at Stafford. It is found 
near Dublin and on the west coast of Ireland. The 
