126 ROYAL SOCIETY OF CANADA 
and’ one left valve, the latter showing the hinge dentition of that valve ; 
and Dr. C. F. Newcombe, 1894: one Jarge and perfect left valve. 
These are most probably not identical with the Meretrix lens of Gabb, 
as the writer once supposed they were, The specimen from Hornby 
Island is a little more pointed posteriorly than those from the Sucia 
Islands, but this feature is rather exaggerated in the unsatisfactory figure 
of this specimen, on Plate 17 of the ‘‘ Mesozoic Fossils.” The specimens 
from the Sucia Islands have more the general contour of a Dosinia than 
of a Meretrix (or Cytherea, as that genus is more frequently called), and 
their hinge dentition 1s that of Cyprimeria. In the original description 
of Meretrix lens nothing is said, and nothing appears to be known, about 
the hinge dentition or other characters of the interior of the shell, but 
there are at present no valid reasons known to the writer for doubting 
the correctness of its reference to the genus Cytherea or Meretrix. 
Mr. Stanton, who has kindly compared the Sucia Islands specimens 
with Meek’s types of Cyprimeria (?) tenuis, from Vancouver and New- 
castle islands, thinks that the latter species (whose internal characters 
are still unknown) is much more compressed and has a different outline. 
TELLINA OCCIDENTALIS, Whiteaves. 
Tellina (Peronea) occidentalis, Whiteaves. 1879. Geol. Surv. Canada, Mesoz. 
Foss., vol. i., pt. 2, p. 144, pl. 17, figs. 11 and 
lla; but not Tellina occidentalis, Morton, 
1842, which is a Lucina; nor Thracia (?) occi- 
dentalis, Meek, 1857. 
The specimens from Gabriola Island and the Nanaimo River, which 
the writer formerly supposed to be referable to Thracra occid-ntalis, Meek, 
prove to be distinct from that shell, which Mr. Stanton states has a 
“pearly lustre and other characters of the Anatinid@.” 
GASTEROPODA. 
EUNEMA CRETACEUM. (Sp. nov.) 
Plate 3 fe 3: 
Shell small, imperforate, apparently elongate turbinate, with the 
spire about equal in height to the outer volution, as viewed dorsally, 
though the few specimens collected so far are so crushed that their exact 
original shape is uncertain. Volutions five or six, those of the spire step- 
shaped or shouldered, but flattened somewhat obliquely next to the 
shoulder above, the outer volution rounded and moderately ventricose 
below the shoulder ; suture distinct and angular. 
Surface marked with narrow but comparatively distant spiral ridges, 
which are crossed by very numerous, close set and regularly arranged, 
