An. Inst. Biol. Univ. Nac. Autón. México (Ser. Zool.) 56(3): 955-1020. 7 tabs. 16 figs. Nov. 30, 1986.

–Engl. summ. Discusses and maps in detail the distribution of T. manatus in Mexico, based on interview surveys; describes manatee habitats at length; lists manatee food plants and their associated algae; describes hunting methods and uses of manatee products; and makes recommendations for manatee conservation.