||Further Evidence on Variation in the Width of the Abdomen in Immature Fiddler Crabs
||Morgan, T.H. Thomas Hunt Morgan
||The American Naturalist, Vol. LVII, May-June, 1923, pp. 274-283
|| First edition. Offprint. Very good condition. Name stamp of Orland E. White and stamp of the Blandy Experimental Farm on front cover.* Thomas Hunt Morgan won the Nobel Prize in Physiology or Medicine in 1933. Rare offprint.