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. 



MIDWA2AN. 



Well near depot at Brundidge, Alabama. Clayton limestone. 



Old limekiln on south edge of Luverne, Crenshaw County, Alabama. Clayton limestone. Sta- 

 tion No. 6TGO, 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, 2J miles northeast of Ripley, Tippah County, Mississippi. Clay- 

 ton limestone. Station No. 6497, United States Geological Survey. 



Mabelvale. near Little Rock, Arkansas. Clayton limestone. 



WILPOXIAN. 



Woods Bluff, Alabama. Bashi formation. 



CLAIBOKXIAN. 



Claiborne, Alabama. Gosport sand. 



One mile southwest of Rockville, Clarke Couuly, Alabama. Gosport sand. Station No. 615S, 



United States Geological Survey. 

 Wautubbee Hills, 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. 



, T ACKSOX1AN. 



Will Scott spring, 3$ miles southeast Shell Bluff Post Office. Georgia. Base of Barawell forma- 

 tion. 

 Two and one-half miles north of Robert, Mississippi. Moodys marl member of lower Jack- 



sonian. 

 Shubuta, Mississippi. Station No. 73766. United States Geological Survey. Zeuglodoii zone of 



Moodys marl. Lower Jacksouiau. 

 I'oeoa Post Office, 2* miles east of Melville, Choctaw County, Alabama. Station No. 7219, United 



States Geological Survey. Zeuglodou zone of Moodys marl. Lower Jacksouiau. 

 Bluff on south side of Suck Creek, half mile above its mouth, Clarke County, Mississippi. Station 



No. 7377, United States Geological Survey. Zeuglodon zone of Moodys marl. Lower Jacksoiiiaii. 

 Jackson, Mississippi. Moodys marl member of lower Jacksonian. 

 Wilmington, North Carolina. Castle flayue limestone. Middle Jacksouiau. 

 Eutaw Springs, South Carolina. Cooper marl. Middle Jacksonian. 

 Sautee River, 3 miles above Lenuds Ferry, Georgetown County. South Carolina. Cooper marl. 



Middle Jacksouian. 

 I'.aldock, Barmvell County, South Carolina. Ostrea georgiami bed al ba.se of UaruweH forn.a- 



lion. Middle Jacksouian. 



