NORTH AMERICAN EARLY TERTIARY BRYOZOA. 
15 
LIST OF LOCALITIES WITH FORMATIONS AND STATION NUMBERS. 
The following list includes all of the localities from which the bryozoa described 
in this volume have been obtained. Its purpose, in addition to showing the geo- 
logic and geographic distribution of the former, is to cite the station numbers of the 
collections under which, in the records of the United States Geological Survey, full 
stratigraphic data are given. 
LOWEST EOCENE. 
Upper Marlboro, Maryland. Bryozoan bed at base of Aquia formation. 
MIDWAY AN. 
Well near depot at Brundidge, Alabama. Clayton limestone. 
Old limekiln on south edge of Luveme, Crenshaw County, Alabama. Clayton limestone. Sta- 
tion No. 6760, United States Geological Survey. 
Conochechebee Creek, 1 mile north of Fort Gaines, Georgia, Clayton limestone. 
Three miles north of Scooba, Kemper County, Mississippi. Porters Creek clay. Station No. 
6760, United States Geological Survey. 
Bluff on south side of Owl Creek, 2f miles northeast of Ripley, Tippah County, Mississippi. Clay- 
ton limestone. Station No. 6497, United States Geological Survey. 
Mabelvale, near Little Rock, Arkansas. Clayton limestone. 
WILCOXIAN. 
Woods Bluff, Alabama. Bashi formation. 
CLAIBORNIAN.' 
Claiborne, Alabama. Gosport sand. 
One mile southwest of Rockville, Clarke County, Alabama. Gosport sand. Station No. 6158, 
United States Geological Survey. 
Wautubbee Plills, 4 miles south of Enterprise, Clarke County, Mississippi. Lisbon formation. 
Station No. 2616, United States Geological Survey. 
Moseleys Ferry, Caldwell County, Texas. Cook Mountain formation. Station No. 5473, 
United States Geological Survey. 
Gopher Hill, Tombigbee River, Alabama. Gosport sand. 
JACKSONIAN. 
Will Scott spring, 3i miles southeast Shell Bluff Post Office, Georgia, Base of Barnwell forma- 
tion. 
Two and one-half miles north of Robert, Mississippi. Moodys marl member of lower Jack- 
sonian. 
Shubuta, Mississippi. Station No. 7376b. United States Geological Survey. Zeuglodon zone of 
Moodys marl. Lower Jacksonian. 
Cocoa Post Office, 2^ miles east of Melville, Choctaw County, Alabama. Station No. 7219, United 
States Geological Survey. Zeuglodon zone of Moodys marl. Lower Jacksonian. 
Bluff on south side of Suck Creek, half mile above its month, Clarke County, Mississippi. Station 
No. 7377, United States Geological Survey. Zeuglodon zone of Moodys marl. Lower Jacksonian. 
Jackson, Mississippi. Moodys marl member of lower Jacksonian. 
Wilmington, North Carolina. Castle Hayne limestone. Middle Jacksonian. 
Eutaw Springs, South Carolina. Cooper marl. Middle Jacksonian. 
Santee River, 3 miles above Lenuds Ferry, Georgetown County, South Carolina. Cooper marl. 
Middle Jacksonian. 
Baldock, Barnwell County, South Carolina. Ostrea georgiana bed at base of Barnwell forma- 
tion. Middle Jacksonian. 
