536 Prof. T. Rupert Jones— Wealden Ostracoda. 
punctate ; almost equally convex, but sloping more rapidly in the 
dorsal region ; hence the edge-view of the carapace would be lanceo- 
late, and the end-view (Fig. 2b) acute-ovate. The ventral margin 
has a minutely-frilled appearance, which is lost, however, where the 
edge curves inwards at the middle. 
The spots marking the muscular attachment on each valve 
consist of four oblique, parallel, but rather irregular, rows of little 
oval marks. These are in pairs, which unite at their ends in three, 
but remain separate in one, of the groups. On the inside of the 
valve the spots are little depressions; on the outside they appear 
translucent. The pattern is more like that of Cypris (Candona) 
reptans (fig. Te, pl. 1, Monogr. Tert. Entom.), than that of Candona 
candida; the direction, however, of the rows of little marks is from 
the postero-dorsal to the antero-ventral region, which is contrary to 
the usual condition for muscle-spots in such a form of valve. 
As this Candona differs from those already known, I propose to 
name it after my old friend the late Dr. G. A. Mantell, one of the 
most zealous elucidators of the geology of the Isle of Wight, and of 
its Wealden strata in particular. 
2a. 
\ 
la. ih) a 1d. 
2d 
‘ olf If. 
a cS 
pus alate le. 
le. Sey 
26. 
(Fie, la. A right valve of a young individval. 
Cae | ,, 10. A right valve of medium growth, 
Pee ora, 2 » 2¢ A long and low (narrow) variety; right valve. 
Wee ; 4 », 1d. A short and high (broad) variety ; left valve. 
‘| ,, le. The largest specimen; outline of left valve. 
(5, If. The largest specimen ; outline of edge-view of carapace. 
linibe ( Fie, 2a, Outline of a right valve. (Anterior end placed upwards.) 
aks 4 | 5, 26. Outline of the end view of the valve. 
Magnified 20 diam.; drawn by Mr. C. D. Sherborn, F.G.S. 
3. Cypripga’ Vapensis (Fitton). 
This was the Cypris faba of Sowerby, ‘“ Mineral Conchology,” 
1 This genus is described at large in the Quart. Journ. Geol. Soc. vol. xli. 1885, 
p- 336. Remarks on the possible alliance existing between Cypridea and Chiamydotheca 
have been made by Dr. G. 8. Brady in the “ Proceed. Zool. Soc.” 1886, p. 90; and 
in the ‘‘ Journ. Linn. Soc.’’ vol. xix. 1886, p. 200, 201. 
