CARPENTER, WILLIAM B.
Researches on Foraminifera. Part II. On the genera Orbiculina, Alveolina, Cycloclypeus and Heterostegina.
1856. Phil. Trans. MDCCCLVI; pp.547-569, 4 plts. h.t. Plain wrps. spine cloth taped, contents very good, 4to.
Boeknummer: 99114
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