358 0. 0. Marsh—History and Methods of 
taceous birds, that have been investigated with reference to this 
point, had brains only about one-third as large in proportion as 
those nearest allied among living species. The Dinosaurs from — 
our Western Jurassic follow the same law, and had brain cay- 
ities vastly smaller than any existing reptiles. Many other 
facts point in the same direction, and indicate that the general 
w will hold good for all extinct vertebrates. 
and 
Tournal, in France, and Se merling in Belgium, h found 
human remains in caves, associated closely with those of various 
ments in the gravels of the valley of the Somme, and, in 1847, 
published the first volume of his “Antiguités Celtiques.” p 
