170
LAND MAMMALS IN THE WESTERN HEMISPHERE
Fig. 88.—Map of the Neotropical region. (After Wallace.) Mexico inaccurate; cf. Fig. 53, p. 147.
Isthmus of Panama to Mexico, the lowlands of which are included and even a small portion of southeastern Texas. (4) The West Indian subregion includes all the islands of that archipelago, except Trinidad, which is a fragment of the con-