Dynaphot photomicrographs of foraminifers from Escanaba Trough

Dynaphot photomicrographs of foraminifers from Escanaba Trough. A-D, Rhabdammina sp. (with ridges); site Ll-86-310; black grains are mostly basaltic glass; lighter grains are mostly feldspar and quartz; (A) side view; (B) longitudinal section of specimen in A showing interior ridges; (C) end view showing petal-like shape formed by interior ridges; (D) oblique end view showing ridges; (E) Side view showing indistinct coil and rectilinear part; (F) oblique apertural view showing arcuate aperture; green is food color. G,H, Ammobaculites sp. aff. A. agglutinans; site Ll-86-25D. (G) Side view; (H) apertural view showing sinuous aperture with lips. Ammobaculites sp.; site Ll-86-25D. (I) Side view; much use of volcanic glass; (J) apertural view showing arcuate aperture.