sums. 251 



Iabiatu3, Cuvier \ 



Syn. Dicotyks affinis labiatus, Lund 2 . 



The fossil specimens noticed below are somewhat larger than 

 the corresponding parts of the skeleton of the existing race ; but as 

 they present no structural differences, they are provisionally referred 

 to the same species. 



Hob. Central and South America. 



18619. Part of the right ramus of the mandible, containing the 

 four last cheek-teeth ; from a cavern in Minas Geraes, 

 Brazil. The length of the space occupied by the three 

 true molars is 0,057 against 0,052 in the living form. 



Glaussen Collection. Purchased, 1845. 



18619 a. Part of the right ramus of the mandible, containing the 

 four last cheek-teeth ; from a cavern in Minas Geraes. 



Claussen Collection. Purchased, 1845. 



18957 C. Fragment of the left ramus of 'the mandible, with mT3 

 and part of m . 2 ; from a cavern in Minas Geraes. The 

 teeth are of very large size. 



Claussen Collection. Purchased, 1845. 



18957. P;ni of the left ramus of the mandible containing p m . 4, 

 mTT, and m . 2 ; from a cavern in Minas Geraes. The 

 length of the space occupied by the three teeth is 0,047, 

 as against 0,042 in the living form. 



Claussen Collection. Purchased, 1845. 



18957 b. Three canines ; from the caverns of Minas Geraes. 



Claussen Collection. Purchased, 1845. 



18957 e. Three molars ; from the caverns of Minas Geraes. 



Claussen Collection. Purchased, 1845. 



18619. The left radius and ulna, of large size ; from a cavern in 

 Minas Geraes. Claussen Collection. Purchased, 1845 



18619 b. Bones of a foot ; from a cavern in Minas Geraes. 



The following specimens may belong to small individuals of this or 



large individuals of the next species. 

 18707. Two humeri ; from the caverns of Minas Geraes. 



Claussen Collection. Purchased, 1845. 



1 Eegne Animal, vol. i. p. 238 (1817). 



2 Vide H. Gervais and Ameghino, ' Mammiferes fossiles de I'Amerique du 

 Sud,' p. 113 (1880). 



