Introductory material
Reading edition
Fig. 1. Proechimys dimidiatus (Günther). Live female on left and male on right. × ½. From Tingua, Nova Iguassú, Rio de Janeiro, Brazil. Photographed in spring (August or September) of 1942 by author.

Reading edition
Fig. 1. Proechimys dimidiatus (Günther). Live female on left and male on right. × ½. From Tingua, Nova Iguassú, Rio de Janeiro, Brazil. Photographed in spring (August or September) of 1942 by author.
