Carpenter, William Benjamin, 1813-1885 · Philadelphia : Blakiston · leaf 647
f its shell. For although the Fusulina-limestone of Russia has Section of Rotalia Schroetteriana near itsbase and parallel to it:—showing, a, a, the radia-ting interseptal canals; 6, their internal bifurca-tions; c, a transverse branch; d, tubular wall ofthe chambers. 576 MICEOSCOPIO FORMS OF… … decidedly in its favour. And having since received specimens fromthe Upper Coal Measures of Iowa, U.S., which are in a much moreperfect state of preservation, he is able to state with certainty, notonly that Fusuliaa is tubular, but that its tubulation is of thelarge coarse nature that marks its…
Microscopy · Biology
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