— lunula, xli, 302.f

— moniliferum, xli, 302.f

— rostratum, xli, 303.

— striolatum, xli, 303.f

— tenue, xli, 303.

— trabecula, xli, 302.f

Cocconeis, xlii, 101.f

Cocconema, xliii, 324f;

–C. —, xliii, 325.f

Coscinodiscus argus, xlii, 95.