ee 
EN Er a ne 
ENVIRONS OF NICEs—-APPENDIX. 459 
III. 
‘Fossit Tzstacza found on the Peninsula of St Hospice. 
MULTIVALVE, 
TON. longitudinally ; length about six- 
eight rted Shell very convex, valves strongly eighths of an inch, 
Pl IX. f.1. suleated concentrically ; the ante- Only two anterior, and one po-, 
ba rior valve rising into aknob. The sterior valve of this shell were 
upper part of the shell is foliated found. 
BIVALVE. 
—Brocchi, p. 512. t. 12. £. 5. 
T. subcarinata. 
2. rotundata. Vid. p. 456. 
3. densus. Shell greyish-white, sub-orbicu- 
PL. IX.f. 6. lar, smooth, gibbous, and pel- 
lucid. Hinge with two teeth, 
and an internal groove in which 
the cartilage is fixed. Length 
§ths, breadth the same. It 
is a strong and rather convex 
shell ; resembling the tellina 
lactea, but differing from it in 
eing much stronger, smoother, 
and the umbo being nearer the 
centre. 
4. lactea, Vid. p. 456. 
5. divaricata. Vid. p. 455. 
6. radiata. | Wood’s Conch. p. 158. t. 38. f. 2, 
& 3.—Dillwyn’s Conch. p. 83. 
7. dentata. Wood's Conch. p. 195. t. 46. f. 6. 
—Dillwyn’s Conch. p. 102. 
8. obsoleta. Shell ovate, anterior end some- 
PI.IX.f.7 what angulated, posterior end 
rounded, convex, pellucid, and 
glossy, with transverse, sharp, 
minute ridges; and a bifid pri- 
mary tooth in each valve. The 
left valve with lateral teeth, 
Outside wine-yellow, with nu- 
merous, divergent, obsolete rays 
of a cream-yellow, which be- 
come darker as they approach 
the base. Inside glossy, with 
a large spot of Sray-yellodt 
Mr Autan found a recent | 
specimen of this beautiful shell | 
in the Mediterranean, at Nice. | 
PLIX-£S. In the recent species, the rays 
. are 
MYA. yh sa } 
1. elongata. Shell concentrically wrinkled, and 
.f,2. withlongitudinal divergent striz. 
Pie ae Hinge we a large, broad, ele- 
vated tooth in the left valve; 
right valve with a small tooth 
and socket; into which the tooth 
of the opposite valve fits. Umn- 
bo plnceet very much to one side. 
. Trinitéa. Vid. p. 456. 
4 sinuosa. Shell somewhat wedge-shaped and 
pl. IX. f. 4. truncated on both ends; page 
with a small tooth. Obsoletely 
? wrinkled, with a waved margin. 
Length ?ths, breadth §ths of 
: an inch. ¥ 
4. punctatus. Shell somewhat triangular, de- 
PLIX.f5. pressed, very glossy, sub-pellu- 
cid, diaphanous, and smooth ; 
' " with obsolete concentric wrinkles; 
towards each end, it is very 
finely punctured, but perfectly 
smooth in the centre; left valve 
with one central and one re- 
mote tooth; right valve with 
“two central and one remote 
tooth. Umbo sharp, and turn- 
ed to one side. ‘There is a 
slight triangular depression, 
commencing about the venter, 
and terminating at the base. 
Length iths of an_ inch, 
5 breadth 4. 
5. mzequivalvis. Vid. p. 456. 
TELLINA. 
1. Donacina. Montagu, Test. Br. p. 58. t. 27. 
f. 3.—Dillwyn’s Conch. p. 89. 
3 2 
