588 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. [4] 



Cholopus Hofifmani, Peters. Hoffman's Sloth. 



Costa Eica to Ecuador. 

 Bradypus infascatus, Wagler. 



Panama to Peru and Brazil. 

 Bradypus castaneiceps, (Gray) Alston. Chestnut-headed Sloth. 



Nicaragua. 



Family MYEMECOPHAGID^. The Anteaters. 



Myrtnecophaga quadridactyla, Tamandua-Anteater. 



Mexico to Paraguay. 

 Mynnecophaga jubata, Linn6. Ant-bear. 



Guatemala to Paraguay. 



Suborder Loricata. 



Family DASYPODIDiE. The Armadilloes. 

 Tatusia novem-cinctus, (Linn6') Alston. Armadillo. 



Texas to Paraguay. 



Order SIRENIA. Sea-cows. 



Family TEICHECHIDJE. The Manatees. 



Trichechus manatus, Linn^. South American Manatee. 



Texas to Brazil. 

 Trichechus latirostris, (Harlan) True. Florida Manatee. 



Florida. 



Order CETACEA. Cetaceans. 



Suborder Denticete. Toothed Whales. 



Family DELPHINID^. The Dolphins. 



Sotalia pallida, Gervais. 



Florida. (?) 

 ? Steno fuBCUs, Gray. 



Cuba. 

 Steno compressus, Gray. 



Gulf of Mexico. (?) 

 Delphinus Bairdii, Dall. Baird's Dolphin. 



Coast of California. 



