Subject ASC0003efy

The Journal of the Quekett Microscopical Club.
ser. 2, v. 3 (1886-1888), (1886-1888)
MBLWHOI Library
BHL Page 2032385

Keywords

microscopic diatom outer membrane consisting of a delicate grating composed of alternate rings and squares valve pleurosigma consisting of a square perforated grating upper plane of red "beads" blue beads middle layer of diagonal grating showing torn structure fragment sound valve magnified zoology biology microscopy chromista Bacillariophyceae Naviculales marine microorganism algae Ser. II Vol 3 Pl. XXIII frustule ornamentation Pleurosigma angulatum valve structure

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