Carpenter, William Benjamin, 1813-1885 · Philadelphia : Blakiston · leaf 641
/<&?$&•%> % … Globigerina, from Atlantic ooze showing thickening of shellby exogenous deposit:—A, entire shell, showing Areolatedridges of surface ; b, portion of shell more highly magnified,showing orifices of tubuli and large cavities filled with sar-code; c, section of shell showing exogenous deposit…
Microscopy · Biology
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