10 NORTH AMERICAN GEOLOGY. [bou,.127. 



New Jersey. 



Maryland, Delaware, Virginia, 



North Carolina, South Carolina, and Georgia region. 



Gulf region, Florida to Texas and Arkansas. 



Ohio, Indiana, Illinois, Kentucky, Tennessee. 



Minnesota, Michigan, Wisconsin. 



Iowa, Missouri, Nebraska, Kansas region. 



Eocky Mountains to Great Basin. 



Pacific States. 



Eastern Canada. 



Western British America. 



Alaska. 



General. 

 Silurian, with subheadings as follows: 



New England. 



Appalachian (New York to Alabama). 



West of the Appalachians to the Mississippi Eiver and Minnesota. 



West of the Mississippi Eiver, excepting Minnesota. 



Canada (including all of British Columbia). 



General. 

 Tertiary, with subheadings as follows : 



Atlantic coast region (Massachusetts to Georgia). 



Gulf region (Florida to Texas and Kentucky). 



Dakotas, Nebraska, Kansas. 



Eocky Mountains to Great Basin. 



Pacific States. 



Canada. 



Arctic and Alaska. 



West Indies. 



General. 



• III. OIHEB SUBJECTS. 



Geologic philosophy, with subheadings as follows : 



Chemic geology (excepting metamorphism and rock decay). 



Origin of coal, petroleum, etc. 



Dynamic geology. 



Petrology. 



Glaciology. 



Geological climate. 



Volcanism. 



Eock decay. 



Degradation. 



Sedimentation. 



Geomorphy. 



Coral reefs. 



Miscellaneous. 

 Petrography. 



