. Bulletin. Science. â S CO 3 =2 >i4 â . -^ al o . > -Q 2; S s" > '^ .9 .^ a -1= â a ., X! o 5/1 o ^ d ^- 'a-g S Q O -a C O O O o o C 0! D O Si! 1M6 M. 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 Smithsonian Institution; United States. Dept. of the Interior; United States National Museum. Washington, Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off

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Keywords: ., bookauthorunitedstatesdepto, bookcentury1900, booksubjectscience