Subject ASC00001it
Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature.
v. 2 (1866), Page 87 (1866)
MBLWHOI Library
BHL Page 1636293
Keywords
diatom magnified view Actinophrys microscopic diatoms transparent cellular network granules magnified cell Navicular group free fustules oblique striae valve arcuate line Taxonidea convex valve sigmoid median line Mr. Donkin longitudinal sigmoid wing Amphiprora Diadesmis linear valve frustules linear filament marine species