Figure 4: ( a ) Scrotum of the white-tailed rat, Mystromys albicaudatus. This view illustrates the localized fur-free segment overlying the cauda epididymidis. Arrows mark the furred region occupied by the testes. ( b ) Scrotum of an adult male bushbaby, Galago crassicaudatus. The scrotal surface over the testes is heavily furred, whereas the carunculated region overlying the cauda is bare.