390 Bulletin American Museum of Natural History. [Vol. XX, 



Fig. I. Tamandua tetradactyla instalnlis, Bonda, Colombia. nat. size. 



Fig. 2 Tamandua tetradactyla chapadensis^ Chapada, Matto Grosso, Brazil. nat. size. 



Fig. 3. Tamandua tetradactyla tenuirostris, Passa Nueva, Vera Cruz, Mexico. nat. size. 



Fig 4. Tamandua tetradactyla chiriquensis, Boqueron, Chiriqui, Panama. nat. size. 



