HENRICOFILHOLIA 133 
H. lustrata Amegh., 1901, Bol. Acad. Cienc. Cordoba, t. 
16, Dp: 405. 
This species is smaller than the preceding, and is based 
on an upper molar 1 and a last lower molar. The measure- 
ments are as follows: 
Upper molar 1, length 25 mm., width 25 mm, 
Lower molar 3, length 25 mm., width 12 mm, 
Fig. or. H, inaequilatera, upper molars 3 and 4—natural 
size, after Ameghino. 
H. inaequilatera Amegh. loc. cit. above. 
This species is larger than the preceding with the in- 
ternal cingulum more developed. Upper molar 2 measures 
30 mm. long by 29 mm. wide. 
H. circumdata Amegh., loc. cit. above. 
This is a still larger type, with the internal cingulum 
enormously developed. Upper molar 1 measures 42 mm. 
long by 36 mm. wide. 
