Didelphys

Apart from introduced opossum Didelphys marsupialis and agouti Dasyprocta agouti, there are no terrestrial mammals in the area.

Morne Trois Pitons, Dominica 2009

I have seen an old female opossum (Didelphys azarae) with eleven young, large as old rats -- the mother being less than a cat in size -- all clinging to various parts of her body; yet able to climb swiftly and with the greatest agility in the higher branches of a tree.

The Naturalist in La Plata 1881

This animal -- Didelphys crassicaudata -- has a long slender, wedge -, shaped head and body, admirably adapted for pushing through the thick grass and rushes; for it is both terrestrial and aquatic, therefore well suited to inhabit low, level plains liable to be flooded.

The Naturalist in La Plata 1881

To finish with the mammalia, there are two interesting opossums, both of the genus Didelphys, but in habits as wide apart as cat from otter.

The Naturalist in La Plata 1881

(Didelphys azarae), are strangely subject to the death-simulating swoon.

The Naturalist in La Plata 1881

The other opossum is the black and white Didelphys azarae; and it is indeed strange to find this animal on the pampas, although its presence there is not so mysterious as that of the tuco-tuco.

The Naturalist in La Plata 1881

Blastula of the opossum (Didelphys) at the beginning of gastrulation.

The Evolution of Man — Volume 1 Ernst Heinrich Philipp August Haeckel 1876

The fertilised ovum of the opossum (Didelphys) divides, according to

The Evolution of Man — Volume 1 Ernst Heinrich Philipp August Haeckel 1876

Ovum of the opossum (Didelphys) divided into four.

The Evolution of Man — Volume 1 Ernst Heinrich Philipp August Haeckel 1876

Oval gastrula of the opossum (Didelphys), about eight hours old.

The Evolution of Man — Volume 1 Ernst Heinrich Philipp August Haeckel 1876