RT Journal Article SR Electronic T1 The so-called dimorphism in the genus Cambarus JF American Journal of Science JO Am J Sci FD American Journal of Science SP 42 OP 44 DO 10.2475/ajs.s3-27.157.42 VO s3-27 IS 157 A1 Faxon, W. YR 1884 UL http://www.ajsonline.org/content/s3-27/157/42.abstract AB