w 
- 
epidermis is s sometimes, 
kt aes E aie argi 
E 5s 
I 
166 Couth 
E 
oui — HYALINA. 
Mya hyalina, Conran, Totti Phil Acad. Nat. Sct. 
VI. p. 961, tab. 11, f. 12. 
Guide hyalina, imas 
. OBSERVATIONS. Turton, in his British Bivalves, p. 
- 94, establishes a genus under the-name of Lyonsra, the 
characters of which are founded on Mya Norvégica, p 
Curemnirz and others, Ampuipesma corbuloides, Lam., 
the same shell which is given by Deshayes as the type 
of his OsrgopEswA. According to Brown, in his Illus- 
re Sd on E 
* # 4 
T, 
trations of the Conchology of Great Britain and lre- P d 
land, Dr. Leach had given in manuscript a genus Mae 
DALA also, for this shell, of which there is a representa- 
tion, plate 11, f. 1, 2, 10, of that work, under the name 
' of Maepaua stridta. Turton has described and figured, 
it, p. 35 of his Bivalves, plate 3, f. 6, 7.- 
The generic appellation of M. Deshaj'd T 
being so expressive of the distinguishing. | 
shell, as well as from the genus constituting oi 
y of macea, which include! | 
founded E parique ira 
lum, will tndédhitéy y in 
covered ait an pede 
cacy, beneath whieh the le 
ses, (we have no we ; 
| 
T 
3 
