Prof. T. Rupert Jones— Wealden Ostracoda. 539 
Chine,” crowded with Cypridea Valdensis, Cypridea Dunkeri, Meta- 
cypris Fittoni, and Cyprione Bristovit. 
The last-mentioned species has been found also in the Tunbridge- 
Wells Sand at Lindfield and Tunbridge (?), in the Wadhurst Clay 
near Hastings and Bexhill, in the Upper and Middle Purbeck beds 
of Dorsetshire, and in the equivalent beds of North Germany. 
Cyprione probably belongs to the Darwinulide. 
9. Meracypris Firront (Mantell). 
Cypris tuberculata, Sow. (in part), Trans. Geol. Soc. ser. 2, vol. iv. 1836, pp. 
177, &e., pl. 21, fig. 2 a. 
Cypris Fittoni, Mantell, Medals of Creation, 1844, vol. vil. p. 545, lignograph 119, 
g. 2. 
Cypridea 2? Fittoni, Jones, Gou. Mac. 1878, p. 277. 
Cythere Fittoni, Jones, Quart. Journ. Geol. Soc. 1884, vol. xli. p. 333. 
fg Metacypris Fittoni, Jones, in Prestwich’s ‘Geology,’ vol. il. 1888, p. 263, 
g, 137a, 
This species is common in some beds of the Weald Clay of the 
Tsle of Wight, especially at Compton Bay,—on the west of Brook 
Point,—at Brixton Bay,—at Atherfield, and Sandown Bay. It 
occurs also at Punfield Cove near Swanage, and at Pulborough and 
Pallingham, Sussex, in the Weald Clay; in the Tunbridge-Wells 
Sands at Lindfield; and in the Wadhurst Clay near Hastings. It is 
not rare also at some places in the Weald Clay of Kent (near 
Maidstone, Great Chart, Aldington, and Hythe), and the Tunbridge- 
Wells Sands at Langton Green. Also (doubtfully) in the Weald 
Clay near Hazlemere in Surrey. 
The genus Metacypris was first noticed by G.S. Brady in ‘ Nature,’ 
1870, p. 484; and was found living, but not abundantly, in the 
tidal waters and “ Broads” of the Hast of England by G. 8. Brady 
and D. Robertson. There was only one species (M. cordata) met 
with, and they determined it as more probably belonging to the 
Cytheridz than to the Cypridide. See Ann. Mag. Nat. Hist. ser. 
4, vol. vil. pp. 19, 20; vol. ix. p.d1; and Monogr. Post-Tert. Entom. 
1874, pp. 112 and 116. Also Quart. Journ. Geol. Soc. vol. xli. p. 344. 
Besides the M. Fittoni mentioned above, there are several other 
fossil species. M. Forbesii is one of the leading fossils of the Middle 
Purbeck beds of Dorset (Ridgway, Durlston Bay, and Mewps Bay), 
op. cit.p. 346. In the Grou. Mace. April, 1886, p. 146, Pl. 1V. Figs. 
1 a, 6, c, this species is also described from a Jurassic freshwater or 
estuarine limestone of Colorado, where it is associated with two 
other species, namely, M. Bradyi and M. Whitei,’ loc. cit. Pl. 1V. Figs. 
Za,b,c,and3a,b,c. M. conculcata, Jones, from a similar estuarine 
formation at Bahia in Brazil,? as well as M. strangulata, Jones, from 
Tertiary beds in the Province of Nagpur, Central India,’ are referred 
to in the same paper, pp. 146, 147. 
One of the chief characteristics of Metacypris is the submedian 
transverse suture on the dorsal region. This is very strong in M. 
Fittoni, and is the feature which led Mantell to separate this species 
from its somewhat similar companion, Cytheridea tuberculata. 
1 These three species have been described briefly and figured in the ‘ Bulletin U.S. 
Geol. Sury.’ No. 29, May, 1886, pp. 23, 24, pl. iv. figs. 22-26. 
2 Quart. Journ. Geol. Soc. vol. xvi. 1860, p. 266, pl. xvi. figs. 3 a, b. 
3 Ibid, p. 187, pl. x. figs. 73 a, b, ¢, d. 
