. Annual report for the year ended June 30 .... United States National Museum. Introducing exhibits in new hall of fossil invertebrates is this explana- tion of method by which the scientist dissolves away the limestone in which the fossils are imbedded, using a weak solution of hydro- chloric acid that leaves fossils separated and unharmed. Below: Alcove in new hall, showing extinct giant shell-bearing 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
. Annual report for the year ended June 30 .... United States National Museum. Introducing exhibits in new hall of fossil invertebrates is this explana- tion of method by which the scientist dissolves away the limestone in which the fossils are imbedded, using a weak solution of hydro- chloric acid that leaves fossils separated and unharmed. Below: Alcove in new hall, showing extinct giant shell-bearing 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. [Washington] : Smithsonian Institution
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