Japan Miocene strew, Bernard Hartley

Cocconeis sp. and Epithemia sp.
Japan Miocene strew, 20x Nikon Plan Apo NA 0.65 objective

A strew slide of Japanese fossil Miocene diatoms. Wide range of species. Prepared by Bernard Hartley. Mounted in Hyrax, and dated August 1988.

The handwriting is not the easier to read, but from the Bernard Hartley Index, p243, for slide 2225;

Miocene fossil freshwater sample from K-D. Kemp Arii Kumanotho, Mina-minu-rogun, Japan

[Klaus-Dieter Kemp reference: 039R – K.D. Kemp – Arii Kumanoche, Minamimuroga Japan – F.F\W(Coarse)]

[Klaus-Dieter Kemp reference: 632R – Arii Kumanocho, Minamimurogun Japan Mic prefecture – Coarse]

[Klaus-Dieter Kemp reference: 633R – Arii Kumanocho, Minamimurogun Japan Mic prefecture – Fine]

[Klaus-Dieter Kemp reference: 045R – K.D. Kemp – Arii, Kumanoche Japan – F.F\W]

[Klaus-Dieter Kemp reference: 038R – K.D. Kemp – Arii, Minamimuroga Japan – F.F\W(Fine)]

The main stack shows two diatoms. A Cocconeis (perhaps C. placentula) and an Epithemia (I think this is a E. turgida). Olympus BHB microscope using 450nm LED light. 100x Leitz Pl Apo NA 1.32-0.60 objective, oil immersion, set to wide open NA 1.32. Olympus Aplanat Achromat condenser, oil immersion, slightly oblique lighting. 2.5x Nikon CF PL photoeyepiece. Monochrome converted Nikon d850 camera. 21 images stacked in Zerene (Pmax).