Carpenter, William Benjamin, 1813-1885 · London : John Churchill · leaf 343
Campylodisctis costatus :—A, front view; b, side view. by its ribbed markings, which seem to indicate the presence ofcanals excavated in or beneath the valves, for the passage offluid between the orifices in the siliceous envelope and the softcell-membrane beneath. The form of the valves, in most…
Microscopy
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![An illustration from Catalogue des monuments et inscriptions de l'Égypte antique / publié sous les auspices de S.A. Abbas II Helmi par la direction générale du Service des antiquités [de l'Égypte] ; par J. de Morgan, U. Bouriant, G. Legrain, G. Jéquier, A. Barsanti (1894)](https://img.insideoutlibrary.com/img/200/ia-cataloguedesmonu21egyp-237-438.webp)
