Author: MANSFIELD, W.C. Title: Some peculiar fossil forms from Maryland /&/ Some Peculiar spiral fossil forms from California and Mexico. [ both a.o. on Xenohelix]
Description: 1927-30. Reprints: Proc. US nat. Mus. 71-16 & 77-13; 9+3 pp. 5+2 plts. h.t. Orig. wrps. very good.
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Price: EUR 7.00 = appr. US$ 7.61 Seller: Lingua Terrae Books
- Book number: 49934
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