Subject ASC0003e7s
The Journal of the Quekett Microscopical Club.
ser. 2, v. 2 (1884-1886), Page 302 (1884-1886)
MBLWHOI Library
BHL Page 2225878
Keywords
hole perforation a b c d objective aperture image Morland on Diatom structure diatom valve algae diagram diatom valve