PERMO-CARBONIFEROUS OF NORTHERN NEW MEXICO 3 
we are of the opinion that careful, persistent search in the lower 
two or three hundred feet will be rewarded with vertebrate remains. 
In Kansas the Red Beds have been estimated to be one thousand 
feet in thickness and said to be utterly unfossiliferous, by Cragin 
Triassic 
= SandevalyCo. 
Wer Redernal & 
ee all wee ae on 2 
, Da ce B 
| eis N\tssee ee S Ae Triassic 
as - 5 
1 if mr 
x 
FES 
Cretaceous 
Paleozote 
es 
Imile 
Fic. 1.—Map of Mesa Prieta and adjoining country. The fossiliferous Permo- 
Carboniferous is shown in the areas indicated by broken lines. Comparison with the 
Jemez topographic sheet will make details evident. 
and Hay. From just south of the Kansas line Professor Gould 
some years ago obtained very typical remains of the amphibian 
Eryops (E. Willistont Moodie), a characteristic ‘‘Permian”’ fossil, 
and it is very probable that intelligent search will show, somewhere 
between this horizon and the barren beds of southern Kansas, the 
