18 



SYNOPSIS OF AMERICAN FOSSIL BRACHIOPODA. 



[nuLL. 87 



Taklk I. — Brachiopod genera alphahetically arranged, their geologic distribution, an 



North American specific rcpre«entation. 



[In the column "Ordinal rank" A.,K., P., T. equal tlie first letters of Atroniata, Neotremata, Protr( 

 mata, and Telotremata, respectively. The geologic occurronce of non-American genera or llio (■arli(^ 

 appearance or later continuance of American genera in other countriea is indicated by a black lin( 

 Small superior numerals indicate the number of species liaviiig distribution.] 



