. Bulletin - United States National Museum. Science. THE OPALINID CILIATE INFUSORIANS, 303 It seems best, in view of varied evidence, to place the final separation of Africa from tropical America in the middle Cre- taceous (fig. 235) in agreement with Eigenmann (1909) and Schu- chert (1915?), though Arldt shows late Cretaceous and early Ter- I. ^^:^-^-^^ Mil tiary connection between these continents. Again m connection with Arldt's chart of the conditions in the early Tertiary (fig. 236) it must be noted that Patagonia, shown by Arldt as distinct from both tropi- cal America and Antarctica, ha
. Bulletin - United States National Museum. Science. THE OPALINID CILIATE INFUSORIANS, 303 It seems best, in view of varied evidence, to place the final separation of Africa from tropical America in the middle Cre- taceous (fig. 235) in agreement with Eigenmann (1909) and Schu- chert (1915?), though Arldt shows late Cretaceous and early Ter- I. ^^:^-^-^^ Mil tiary connection between these continents. Again m connection with Arldt's chart of the conditions in the early Tertiary (fig. 236) it must be noted that Patagonia, shown by Arldt as distinct from both tropi- cal America and Antarctica, has been united in our chart with Ant-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Washington : Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off.
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