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P. 196 Barancas, but in relatively gentle slopes above the baranca, covered usually with sand & rodados & often overgrown. Many exposures in this part are Palagomano, but where the bedding is visible it is usually irregularly filled are there are apparently slumped blocks. C. S. W. found marine fossils immediately above the black clay apparently in place but also surely also slumped. I did not succeed in surely establishing the "Eocene" Patagoniano contact. The highest rather surely terrestrial beds were about 100' above the "arg. fis." And not far above was Patagoniano apparently in place. I believe the thickness of the "Eocene" is about 100'-150' here. [Feruglio gives 60- 70m. = 195'-230' for Las Violetas, 80m. = 260' for Malaspina]. The elevation of the Salamanqueano ? Pehuenche contact, somewhat variable, is approximately that of the top of the Tetas ole Pinedo (hand leveled) = 275-280m. ca. 900'-920'. (see also p. 200) P.197 LAS TETAS DE PINEDO Observations here confirmed ands did not add to the remarks of Windhausen & Feruglio. BUSTAMANTE During our short stay here we examined the porphyries of Poninsola Gravina or Punta Ullea. We did not see the reef deposits, covered by the tide at the time of our visit. LOS MELLIZOS These are two hills at the Subida Grande de Hansen. The bases are Salamanqueano, with typical fossils. The Banco Verde is characteristic, its top at an elevation of approximately 150-155m. = 492'-508'. The contact with the Banco Negro is plane and parallel broadly, but is sharp and uneven in small details.