Fig. 47 in Systematics Of Funnel-Eared Bats (Chiroptera: Natalidae)

Fig. 47. Distribution of relative size of the natalid organ in 10 species of Natalidae. Two groups of species can be distinguished with relation to relative size of the natalid organ: one, containing species with a relatively large natalid organ and a second containing species with a relatively small natalid organ.