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Currently Skimming:


Pages 335-343

The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
Select key terms on the right to highlight them within pages of the chapter.


From page 336...
... . April I 6, 1880 April 23, 1886 WOLCOTT GIBBS .
From page 337...
... S Geological Survey, Washington, D
From page 338...
... S Geological Survey, Washington, D
From page 339...
... F.. .American Museum of Natural History, New York City.
From page 340...
... S Geological Survey, Washington, D


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