Carpenter, William Benjamin, 1813-1885 · London : John Churchill · leaf 769
ion; for manyparts of it consist in great part of the minuter kinds of Tora-minifera, whose shells are imbedded in a mass of apparentlyamorphous particles, many of which, nevertheless, presentindications of being the worn fragments of similar shells, orof larger calcareous organisms. In the Chalk… … Microscopic Organisms in CTialk from Meudon; partly seen as opaque,and partly as transparent objects. of Finna (§ 336) or other large shells of the like structure (asInoceramus) constitute the great bulk; whilst in other cases,again, the chief part is made-up of the shells of Cytherina, a…
Microscopy
Internet Archive · Medical Heritage Library · Public Domain Mark 1.0. Free to use for anything.
