Geological Observations on South America · Chapter 107Note
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As, both in France and England, translations of a passage in Professor Ehrenberg’s Memoir, often referred to in the Fourth Chapter of this volume, have appeared, implying that Professor Ehrenberg believes, from the character of the infusoria, that the Pampean formation was deposited by a sea-debacle rushing over the land, I may state, on the authority of a letter to me, that these translations are incorrect. The following is the passage in question:—
“Durch Beachtung der mikroscopischen Formen hat sich nun feststellen lassen, das die Mastodonten-Lager am La Plata und die Knochen-Lager am Monte Hermoso, who wie die der Riesen-Gurtelthiere in den Dunenhugeln bei Bahia Blanca, beides in Patagonien, unveranderte brakische Susswasserbildungen sind, die einst wohl sammtlich zum obersten Fluthgebiethe des Meeres im tieferen Festlande gehorten.”—“Monatsberichten der konigl. Akad. etc.” zu Berlin vom April 1845.