CARBONIFEROUS. 385 



Between Stations Nos. 119 and 120 is a bed of limestone, with thin seams 

 of clay, thirty feet thick, containing a great number of Allorisma subquadrata, 

 and weathering into round, biscuity masses when exposed to the weather. 



SECTION NO. 36, ALBANY DIVISION. 



On Pecan Bayou, one and a half miles southeast of the previous section. 



1. Shaly limestone 6 feet. 



2. Yellow clay 8 feet. 



3. Yellow limestone 1 foot 6 inches. 



4. Limestone 1 foot 3 inches. 



5. Yellow and blue clay 20 feet. 



6 and 7. Sandstone and bluish clay 15 feet 6 inches. 



Total 52 feet 3 inches. 



SECTION NO. 37, ALBANY DIVISION. 



One mile southeast of previous section. 



1. Sandstone in thin seams 2 feet. 



2. Blue clay 4 feet. 



3. Sandstone 8 inches. 



4. Yellow clay.. 12 feet. 



5. Limestone 1 foot 6 inches. 



6. Clay 40 feet. 



7. Sandstone 6 inches. 



8. Clay 20 feet. 



9. Limestone 2 feet. 



Total 82- feet 8 inches. 



SECTION NO. 38, CISCO DIVISION. 



On Pecan Bayou, one-half mile east of the county line between Callahan 

 and Coleman counties. 



1. Yellow clay 25 feet. 



2. Slaty limestone 2 feet. 



3. Blue clay 20 feet. 



4. Limestone 1 foot 6 inches. 



5. Yellow clay 4 feet. 



6. Limestone 1 foot. 



7. Blue clay 4 feet. 



8. Limestone, Fusulina 2 feet. 



Total 59 feet 6 inches. 



At this place are the first Fusulina I have collected on this line. 



