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P. 200 Note on association of Eocene mammals &Salamanqueano at Las Violetas. At Las Violetas the terminal part of the Salamanqueano contains in places sandstones identical in appearance with those, which contain mammals. Pieces of the mammal-sandstone were found lying on this and indistinguishable from it except for having mammal bone fragments, found in place about 160' above (the cliff between almost vertical). Arneghino's statements that the Salamanqueano in places ends with a shore deposit with mingled shells & Netosylopense is perhaps thus explained. P.201 REGION OF PICO SALAMANCA _______ Specimens 335. Misc. mam.frags. In tuffs, baranca nr. Compania Carmen. Party 4/10/31 28432, 28489, 28606 336. Misc. mam. Frags. Profile P.204. C.S.W, & O.G.F 4/1031 337. Misc. mam.frags. Profile p.205 C.S.W. 4/11/31 28490, 28607 338. Max frag. 3in's. As #336. 4/10/31 28608