40 



HARLEY N. GOULD 



TABLE 3 



Relative conditions of reproductive organs during regression of the testis. The 

 column marked 'testis' gives the general appearance of the gonad; the columns 

 marked 'spermatogonia,' 'spermatocytes,' 'spermatids,' 'sperm,' show the pres- 

 ence (+) or absence (0) of the said elements in the gonad of each specimen; 'f 

 few; 'm' many. The contents of the seminal vesicle and vas deferens, and the 

 condition of the penis, are given under the appropriate columns. 



