MARINE MAMMALS 



203 



Section III. — Distribution of Sirenians 



Only two forms of Sirenians are at the present time 

 existing on the earth's surface— the Manatee (Manatus) 



•I 



.. 



Fig. 45. — The Dugong. 

 ( Halicore dugony. ) 



and the Dugong {Halicore) — each representing a distinct 

 family of the Order. The Manatee (Fig. 44, p. 202) is an 

 inhabitant of the coasts and estuaries of both sides of the 

 middle Atlantic Ocean — one species (Manatus senegalensis) 

 occurring on the African shores, and another (M. ameri- 



