In drawing up these tables, showing the distribution of the various classes of animals in the Neotropical region, the following sources of information have been relied on, in addition to the general treatises, monographs, and catalogues used in the compilation of the Fourth Part of this work. _Mammalia._--D'Orbigny, and Burmeister, for Brazil and La Plata; Darwin, and Cunningham, for Temperate S. America; Tschudi, for Peru; Frazer, for Ecuador; Salvin, for Guatemala; Frantzius, for Costa Rica; Sclater, for Quadrumana N. of Panama; Gundlach, for Cuba; and papers by Dr. J. E. Gray, and Mr. Tomes. _Birds._--Sclater and Salvin's Nomenclator; Notes by Darwin, and Cunningham; Gundlach, March, Bryant, Baird, Elliot, Newton, Semper, and Sundevall, for various islands of the Antilles; and papers by Hudson, Lawrence, Grayson, Abbott, Sclater, and Salvin. {85}TABLE I. _FAMILIES OF ANIMALS INHABITING THE NEOTROPICAL REGION._ EXPLANATION. Names in _italics_ show the families which are peculiar to the region. Names enclosed thus (......) indicate families which barely enter the region, and are not considered properly to belong to it. Numbers correspond with those of the series of families in Part IV. ---------------------+-------------------+------------------------------- | Sub-regions | | 1=Chili. | Order and Family | 2=Brazil. | Range beyond the Region. | 3=Mexico. | | 4=Antilles. | ---------------------+----+----+----+----+------------------------------- | 1. | 2. | 3. | 4. | ---------------------+----+----+----+----+------------------------------- | | | | | MAMMALIA. | | | | | PRIMATES. | | | | | 4. _Cebidæ_ | | -- | -- | | 5. _Hapalidæ_ | | -- | (?)| | | | | | | CHIROPTERA. | | | | | 10. _Phyllostomidæ_ | -- | -- | -- | -- | California 12. Vespertilionidæ | -- | -- | -- | -- | Cosmopolite 13. Noctilionidæ | -- | -- | -- | -- | All tropical regions | | | | | INSECTIVORA. | | | | | 18. Centetidæ | | | | -- | Madagascar | | | | | CARNIVORA. | | | | | 23. Felidæ | -- | -- | -- | | All regions but Australian 28. Canidæ | -- | -- | -- | | All regions but Australian 29. Mustelidæ | -- | -- | -- | | All regions but Australian 30. Procyonidæ | -- | -- | -- | | N. America 32. Ursidæ | -- | | | | All regions but Ethiopian and | | | | | Australian 33. Otariidæ | -- | | | | S. temperate zone 35. Phocidæ | -- | | | (?)| N.