Book ReviewsScientific Books The Crawfishes of the State of Pennsylvania By Chas. C. Adams See allHide authors and affiliations Science 07 Jun 1907:Vol. 25, Issue 649, pp. 897-901DOI: 10.1126/science.25.649.897 Chas. C. AdamsFind this author on Google Scholar Find this author on PubMed Search for this author on this site Article Info & Metrics eLetters PDF This is a PDF-only article. The first page of the PDF of this article appears above.