MAMMALIA 



375 



jaw. The sloths are very peculiar in that they have an excessive 

 number of dorsal vertebrae, as many as 23 being present in some 

 species. The cervical vertebrae are also quite an exception for mam- 



FIG. 193. Edentata, Pholidota, and Tubulidentata. A, Great Anteater, 

 Myrmecophaga jubata; B, Two-toed Sloth, Cholcepus didactylus; C, Texas Nine- 

 banded Armadillo, Dasypus novemcinctus texanus; D, The Aard Vark, Orycteropus 

 capensis; E, Short-tailed Pangolin, Manis temmincki. (All redrawn, A, D, E, 

 after Lydekker; B, after Beddard; C, after Newman.) 



