. The crawfishes of the state of Pennsylvania. Crayfish; Crustacea -- Pennsylvania. Fig 1 rreglacial JVlonongaKela rig. 2 Hange of C oDscunis&propinciuMi. Fig 3 Di .sf r il)n I I on ol ( p ru n i n (»ti us, ix dpinry uus i;a Jiborni, o bsi-nrns. 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 Ortmann, A. E. (Arnold Edward), 1863-1927. [Pittsburgh, Carnegie Institute

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Keywords: ., bookcentury1900, bookdecade1900, bookpublisherpitts, bookyear1906