Exposure to a strange male increased the sexual development of
18-day-old females to a greater extent than did exposure to either
young or adult females. Reproductive tract weights, mean diameters
of Graafian follicles, and incidence of vaginal estrus were all
greater in the male-exposed group during either the first or...
During the years between 1930 and 1950 a number of attempts
were made to introduce techniques and ideas from cytology,
ecology, and genetics into the field of taxonomy. Advocates of
this "experimental taxonomy" believed that cytological, ecological,
and genetic techniques would provide a rigorous, objective
methodology to replace the traditional...