RECENT BRITISH OSTRACODA. 



42!) 



examples that I have seen. Its position in the genus Cythendea must be considered 

 merely provisional. 



8. Cvtheridea (?) subflavescens, Brady. (Plate XXXIV. figs. 53-55.) 



Cythere subflavescens, Brady, Brit. Assoc. Report, 1866, p. 210. 



Carapace, as seen from the side, sub-triangular, highest in the middle; greatest height 



equal to rather more than half the length ; extremities rounded, anterior broad, posterior 

 somewhat narrowed; superior margin well arched, highest in the middle, where it it 

 obscurely angular, inferior slightly convex. Outline, as seen from above, ovate, pointed 

 in front, rounded behind; greatest width in the middle, scarcely equal to half the Length. 

 Surface smooth, finely and closely punctate, very slightly pubescent ; colour yellowish. 

 Animal unknown. 

 Length -^- in. 



Hab. The Minch, 45-60 fathoms (Rev. A. M. Norman). 



One specimen only of this species was found, by Mr. Norman, in sand dredged amongst 

 the Hebrides in 1866. 



Genus 4. Eucythere, Brady. 



(Cytheropsis, G. O. Sars* ) 



Sh 



Carapace high and compressed in front, lower and more tumid behind, 

 pellucid, and marked with conspicuous round white papillae. Hinge-joint formed on the 

 right valve by a projecting flange or crest, which is received into a corresponding depression 

 of the left valve. » Superior antennae five-jointed, and in structure almost like those of 

 Cythere ; inferior much more robust, four-jointed ; flagellum (urticatmg seta) long. 

 Mandibular palp three-jointed ; branchial appendage very small. Cutting portion ol ttu 

 first maxillaB weaker than usual; internal segment rudimentary. Second pair of max dh, 

 very large, dilated in an extraordinary manner at the apex, flahollifm-m and beset with 

 numerous apical set*. Feet weak and slender, subequal ; terminal claws long and al most 

 straight, alike in the male and female. Copulative organs of the mole unusually small. 



One eye." ,. ~ ... , + 



Though one species of this genus, K declicis, is tolerably common on the Br; > .sh eoaa 

 I have never vet obtained specimens in such a state ot preservation as to ^allo* o ih 

 examination of the animal. A deficient supply of spec mens has d» gmM £« 

 *om making a very accurate investigation <££~*^'£?j£ 

 seem to be little doubt that there is quite sufficient pecuiianiv 



parts to constitute a distinct genus. 



j * M <rnv in the ' Systematic Description of the British Palrc- 

 The name Cytheropsis, having heen already used by M Coy in 7 substitute another 



o*oic Fossils in the Geological Museum of the University of Cambndge, 185», « * 



name for this genus. 



