204 
PATAGONIAN EXPEDITIONS : PALAEONTOLOGY. 
corresponding position on the forehead of Nesodon. Still another differ- 
ence from the latter is to be found in the character of the fronto-nasal 
suture. When the frontals possess nasal processes, which separate 
Fig. 40. 
Adinotherium ovinum: Series showing the variations^of the fronto-nasal suture and the frontal 
horn, X b A, No. 15,983; B, No. 15,482; C, No. 15,382; D, No. 9140, A. M. N. H. ; E, No. 
I 5 T 59 ; F, No. 15,118; G, No. 9571, A. M. N. H.; H, No. 15,493- 
