sexual relations, [413];
sexual congress, [414], [427], [428], [432];
time of hatching, [417], [433], [494], [500], [504];
influence of temperature, [417];
of Aspredo, [596];
of Batrachus tau, [711]
Ehrenbaum, [685] n.
Eigenmann, [602] n., [619] n., [670] n.
Eigenmannia, [579]
Elacate, [678]