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After a busy day, when these kites retire for their night-rest to a tree or to the bushes, they always gather in bands, sometimes coming together from distances of ten or more miles, and they often are joined by several other vultures, especially the percnopters, "their true friends," D'Orbigny says.
Saint Remy profoundly saluted Madame d'Orbigny; and at the moment of leaving the notary, wishing to try a last effort to soften him, he said, in a careless manner, which nevertheless disclosed profound anxiety: "Decidedly, my dear M. Ferrand, you will not grant me what I ask?" "Some folly, without doubt! Be inexorable, my dear Puritan," cried Madame d'Orbigny, laughing.
In descending from the Arqueros district, I crossed on the northern border of the valley, strata inclined eastward from the Pluclaro axis: on the porphyritic conglomerate there rested a mass, some hundred feet thick, of brown argillaceous limestone, in parts crystalline, and in parts almost composed of Hippurites Chilensis, d'Orbigny; above this came a black calcareous shale, and on it a red conglomerate.
Although the generic character of the Quiriquina fossils naturally led M. d'Orbigny to conceive that they were of tertiary origin, yet as we now find them associated with the Baculites vagina and with an Ammonite, we must, in the opinion of M. d'Orbigny, and if we are guided by the analogy of the northern hemisphere, rank them in the Cretaceous system.
De Quatrefages then proceeds to show how, with respect to American tribes, Robertson is quoted while D'Orbigny is passed in silence, even though he has by the testimony of many authors disproved the statements of Robertson; how Baegert's negative and sweeping statements in regard to the California tribes are accepted, while the very specific testimony of De Mofras in regard both to the fact and to the nature of their worship is rejected.
M. A. d'Orbigny found on the banks of the Parana, at the height of a hundred feet, great beds of an estuary shell, now living a hundred miles lower down nearer the sea; and I found similar shells at a less height on the banks of the Uruguay; this shows that just before the Pampas was slowly elevated into dry land, the water covering it was brackish.
In conclusion I may observe that the Struthio rhea inhabits the country of La Plata as far as a little south of the Rio Negro in latitude 41 degrees, and that the Struthio Darwinii takes its place in Southern Patagonia; the part about the Rio Negro being neutral territory. M. A. d'Orbigny, when at the Rio Negro, made great exertions to procure this bird, but never had the good fortune to succeed.
All the same; I must put a piece of paper in my snuff-box to remember this name Cici Casi Cecily, good, I have it." "Now I go to see Mlle. Rigolette," said Rudolph; and, singularly preoccupied with the visit of Madame d'Orbigny to Polidori, he ascended to the fourth story.
Ostrea Patagonica, d'Orbigny, "Voyage, Pal." Ostrea Alvarezii, d'Orbigny, "Voyage, Pal." Pecten Paranensis, d'Orbigny, "Voyage, Pal." Pecten Darwinianus, d'Orbigny, "Voyage, Pal." Pecten actinodes, G.B. Sowerby. 6. Casts of a Turritella. The four first of these species occur at St. Fe in Entre Rios, and the two first in the sandstone of the Rio Negro.
M. d'Orbigny has argued, from the upraised shells at San Blas being embedded in the positions in which they lived, and from the valves of the Azara labiata high on the banks of the Parana being united and unrolled, that the elevation of Northern Patagonia and of La Plata must have been sudden; for he thinks, if it had been gradual, these shells would all have been rolled on successive beach-lines.
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