148 Appendix. 



EXPLANATION OF PLATE 12. 



FlG. I a.b. Miliolina bicornis vars. elegans d'Orbigny, side view, x 50. 



I c. oral view. x 50. 



2 a. Miliolina bicarinella Reuss, side view, x 100. 



2 b. ,, edge view, X 100. 



2 c. ,, ,, oral view, x 100. 



,, 3 a.b. sulcifera (Roemer) side views, xpo. 



3 c. oral view. xgo. 



,, 4 a.b. Virgulina schreibersiana Czjzek var. marginata, nov. X 100. 



5 a. Cristellaria rotulata var. macrodisca Reuss, side view, x 100. 



5 b. edge oral view, x 100. 



6 a. Pulvinulina brongniartii (d'Orbigny) superior view. 



6 b. ,, inferior view. 



6 c. ,, edge oral view. 



,, 7 a. Nonionina boueana d'Orbigny, side view. x 100. 



7 b. , edge oral view, x 100. 



8 ,, var. janiformis Rupert Jones, edge oral view. x 100. 



9 a. Globigerina pachyderma (Ehrenberg) superior view, x 90. 



,, 9 b. ,, inferior oral view. X9O. 



