154 



POST-TERTIARY ENTOMOSTRACA. 



Distribution. Recent. — Davis's Straits, Norway, Great Britain, Ireland, Bay of 

 -Biscay, Cape Verd, St. Vincent. 



Fossil. — Scotland : Gamrie, Wick, Loch Gilp. Norway : Post-tertiary beds. 



18. Cythere cuNEiFORMis, Plate X, figs. 23 — 26. 



1865. Cytheee ventricosa, Sars. Op. cit., p. 34. 



1868. — cuKEiFORMis, Brady. Monog. Rec. Brit. Ostrac, p. 404, pi. xxxi, 



figs. 47— -.'54. 



Carapace of the female subprismoid, much depressed behind, angular on the dorsal 

 and flattened on the ventral surface ; seen from the side, the outline is subcuneiform, 

 anterior extremity broadly rounded, posterior narrowed and produced to an obtusely 

 mucronate point ; superior margin sloping steeply and in a straight line from before 

 backwards, inferior almost straight. Seen from above, ovate, extremities sharply 

 mucronate, greatest width about equal to the height ; end-view triangular, base and 

 sides convex. Shell-surface marked more or less profusely with rounded depressions 

 and tubercles, transversely sulcate in the middle, and longitudinally furrowed on the 

 ventral surface. 



Length, -^th of an inch. 



Distribution. Recent. — Great Britain, Ireland, Norway. 



Fossil. — Scotland : Raised beach, Oban ; West Tarbert. Norway. 



19. Cythere LiMicoLA {Norman). Plate X, figs. 1 — 4. 



1865. Cythekeis limicola, Norman. Nat. Hist. Trans. Northumberland and 



Durham, vol. i, p. 20, pi. vi, figs. 1 — 4. 



1865. Cytheke nodosa, Sars. Op. cit., p. 34. 



1866. — complexa, Brady. Brit. Assoc. Report, p. 210. 



1865. — ABEOliATA, Brady. Trans. Zool. Soc, vol. v, p. 381, pi. Ixii, figs. 



2 a—d. 



1868. — LIMICOLA, Brady. Monog. Rec. Brit. Ostrac, p. 405, pi. xxxi, 



figs. 38—41, 43—46. 



Carapace of the female, as seen from the side, subtrapezoidal, not much higher in 

 front than behind, greatest height situated over the anterior hinge and equal to about 

 two thirds of the length ; anterior extremity well rounded ; posterior subtruncate, 

 obtusely rounded below and shghtly excavated above the middle; superior margin 



