Remarks : The typical race (manatu ) persists in the West Indies and along the coasts 

 of central and northern South America . Recent discovery of its usefulness in controlling 

 aquatic vegetation in canals and irrigation ditches may encourage its protection. 



References : 



Allen, G. M. 1942. Extinct and vanishing mammals of the Western Hemisphere. 



American Committee for International Wildlife Protection, Spec. Publ . 11, 



pp. 538-547. 

 Anonymous. 1964. Manatee for weed control . Florida Wildlife, 18(3), pp. 29-30. 

 Beard, D. B. 1942. Fading trails: The story of endangered American wildlife. 



Macmillan, N.Y., pp. 88-97. 

 Garfield, G. 1964. Nature's living herbicide . Outdoor America, 29(11): 9. 

 Matthiessen, P. 1959. Wildlife in America . Viking, N.Y ., pp. 40-41. 

 Moore, J. C. 1951. The status of the manatee in the Everglades National Park, 



with notes on its natural history. Jour. Mamm . , 32(1): 22-36. 

 . 1951. The range of the Florida manatee. Quarterly Jour. Florida 



Academy of Sciences . 14(1): 1-19. 



. 1953. Distribution of marine mammals to Florida waters. 



American Midland Naturalist, 49(1): 117-158 . 

 Palmer, R.S. 1954. The mammal guide; Mammals of North American north of 

 Mexico. Doubleday, Garden City, N.Y., pp. 323-325. 



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