Male external genitalia of non-prehensile tailed South American monkeys. Philip Hershkovitz.

n.s. no.73(1993)

The female external genitalia of the spotted hyena [by] D. Dwight Davis and H. Elizabeth Story.

v.31:no.33(1949)

External characters of the bats of the subfamily Glossophaginae.

v.24:no.25(1943)