114 OSTEACODA. 



Cytherideis ?, sp., Jones, 1850. Lower Eocene, Kent. 



Cytherideis ?, sp., Jones, Tert. Entomos., Mon. Pal. Soc. 1856. p. 49, pi. vi. fig. 15. 



Cytherideis subspiralis, Brady, Crossk. and Ebts., 1874. Post-Tertiary, 



Scotland. 

 Cytherideis subspiralis, B., C. & R. Mon. Pal. Soc. p. 211, pi. x. figs. 16, 17. 



Cytherideis subulata, Brady, 1868. Glacial, Scotland; 



Eecent, Britain, Cape Verd, &c. 

 Cytherejlavida, Baird, 1850, Brit. Entom. p. 168, t. .xxi. figs. 12, 12 a. 

 Cytherideis suhulata, Brady, 1868. Mon. Entom., Tr. Linn. Soc. vol. xxvi. p. 454, 

 pi. XXXV. figs. 43-46. 



Cytherideis trigonalis, Jones, 1850. Pleistocene, Essex ; 



Recent, Pegwell Bay, Kent. 



Cythere trigonalis, Jones, 1850, Annals & Mag. Nat. Hist. 2ud ser. vi. p. 28, 



t. iii. fig. 5. 

 Cytherideis trigonalis. Jones, 1856, Tart. Entomos., Mon. Pal. Soc.p. 47, pi. xi. 



figs. 2 a-2 ll 



Cytherideis trigonalis, var. lasvis, Jones, 1856. Pleistocene, Grays, 



Essex. 

 Jones, 1856, Mon. Pal. Soc. p. 47. 



Cytherideis tuberculata, Jones, 1 856. Pliocene, Eed Crag, Essex 



and Suffolk. 

 Cytherideis tuberculata, Jones, 1856, Tert. Entomos., Mou. Pal. Soc. p. 47, 

 pi. ii. figs. 3 a-3f. 



Cytherideis? unicornis, Jones, 1856. Upper Eocene, Isle of Wight. 



Cytherideis ? unicornis, Jones, 1856, Mem. Geol. Surv. p. 158, t. vii. figs. 24-26 ; 

 id. 1856, Tert. Entomos., Mon. Pal. Soc. p. 48. 



Cytherideis? unisulcata, Jones, 1856. Upper Eocene, Isle of Wight. 



Cytherideis? unisidcata, Jones, 1856, Mem. Geol. Surv. p. 157, t. 7. fig. 23; 

 id. 1856, Tert. Entomos., Mon. Pal. Soc. p. 48, pi. iv. fig. 10. 



CYTHEROPSIS, M'Coy, 1854. 



Ceratiocaris?, M'Coy, 1855, Pal. Foss. p. 138. 

 Cythere ?, Salter, 1855, Pall. Foss. p. ii. Appendix. 



Cytheropsis, H. Woodw. & Salter, 1866, Cat. & Chart Foss. Crust, p. 20. 

 Distribidion. Lower Silnriau, Wales and Scotland. 



Cytheropsis Aldensis, M'Coy, 1855. Lower Silurian, Aldens, 



S. Scotland. 

 Cytheropsis Aldensis, M'Coy, 1855, Pal. Foss. pi. i. L. fig. 2 ; II. Woodw. & 

 Salter, 1866, Cat. & Chart Foss. Crust, p. 20. 



Cytheropsis umbonata, Salter, 1855. Lower Silurian. Wales. 



Cythere? mnbonata, Salter, 1855, Pall. Foss. Woodw. Mas. Appendix, p. ii, 



t. i. E. fig. 6. 

 Ceratiocaris ? mnbonata, M'Coy, 1855, Pal. Foss. p. 138. 

 Cytheropsis umbonata, Salter & il. Woodw. 1865, Cat. & Chart Foss. Crust. 



p. 20, fig. 73. 



