178 JonEs AND Kirxpy—On Carboniferous Ostracoda from Ireland. 
from Carland so closely as fig. 3a (1884) above referred to, which came from 
the Lower Limestone series, Raes Gill, Lanarkshire. The evidence at hand, 
however, is insufficient for us to determine their actual identity. 
6. Cytherella recta, Jones, Kirkby, and Brady. 
1884. Cytherella recta, . . Jones, Kirxpy, & Brapy, ‘“‘ Monogr. Brit. Carbonif. 
Entom.,” pp. 68—71, pl. vi., figs. 6a,b; 11a, 6. 
1885. 3 ee . . Jones & Kirxpy, Geol. Mag., dec. 3, vol. i, 
p. 540; 1886, Quart. Journ. Geol. Soe., vol. 
xlii., p. 510; 1887, Proceed. Geol. Assoc., 
vol. ix., p. 502. 
Valves sub-oblong; ends rounded, generally somewhat unequal; dorsal and 
ventral borders straight and parallel ; surface smooth ; edge-view cuneiform. 
In the Carboniferous Limestone at Castle Espie, County Down; and in 
Lanarkshire, Scotland. 
7. Cytherella Hibernica, Jones, Kirkby, and Brady. 
(Plate x1., figs. 7a, 6.) 
1884. Cytherella Hibernica,. . Jones, Kirxpy, & Brapy, ‘‘ Monogr. Brit. Biv. 
Entom. Carb.,’” Part 1., Pal. Soc., p. 72, 
pl. vi., figs. 13a, 6. 
1886. 3 i . . Jones & Kirkpy, Quart. Journ. Geol. Soc., vol. xlii., 
p- 510. . 
Broadly sub-ovate; ends rounded unequally ; much compressed. 
Found in the yellow shale of the Carboniferous series at Cultra, on Belfast 
Lough, not far from Holywood. The locality and its strata and fossils are 
referred to in the ‘‘Mem. Geol. Surv. Ireland, Explan. Sheets, 37, 38, and 29,” 
1871, pp. 10, 16, 17. Also in the ‘Ninth Annual Report Belfast Nat. Field- 
Club,” 1872, pp. 33-387. 
8. Leperditia Okeni (Miinster). 
(Plate x1., figs. 8a,b, 9, 10.) 
1830. Cythere Okent, . . . Munsrer, Jahrbuch fiir Mineral. u.s. w. Jahrg. 
1830, p. 65, No. 15. 
1865. Leperditia Okem, . . Jonus & Kirxsy, Ann. Mag. Nat. Hist., ser. 3, vol. 
xv., p. 406, pl. xx., figs. 1-3. 
