611.013
C280
    v.28
               Forbes , Thomas Rogers , 1911- Studies on the reproductive systen of the allegator . IV . Observation on the gonad , the adrenal cortex , and the Mullerian duct , by Thomas R . Forbes . with four plates . Washinton , 1940 . 29 x 23 cm . [129]-155 , [1] p . 4 pl .