CARBONIFEROUS. 389 

 SECTION NO. 48, CANYON DIVISION. 



At the crossing of Pecan Bayou, and on the ¥m. Eld ridge survey. 



1. Massive sandstone , 6 feet. 



2. Yellow clay 10 feet. 



3. Limestone 2 feet. 



4. Yellow clay 8 feet. 



5. Limestone, CampopJiyllum? Fusulina 3 feet. 



Total 29 feet. 



SECTION NO. 49, CANYON DIVISION. 



On the right of the road, opposite the twelfth mile post from Brownwood. 



1. Yellow clay 20 feet. 



2. Limestone 10 inches. 



3. Sandy clay 20 feet. 



4. Sandstone 6 feet. 



5. Yellow clay 10 feet. 



6. Limestone 1 foot 6 inches. 



7. Yellow clay 15 feet. 



8. Rotten limestone, with fossils 2 feet. 



Total 75 feet 4 inches. 



At this place I collected the following fossils: Athyris subtihta, Hall; Pro- 

 ductus prattenanus, Norwood; P. nebrascensis, Owen; Pleurotomaria sphcerulata, 

 Conrad; P. tabulata, Hall; Productus semireticulatus, Martin; Spirifer camera- 

 tus, Morton; Orthoceras rushensis, McChesne)^ Macrocheilus ventricosus, Hall; 

 Fusulina cylindrica, Fischer; Campophyllumf sp. 



SECTION NO. 50, CANYON DIVISION. 



At Jim Ned Creek. 



1. Limestone 8 feet. 



2. Yellow clay 12 feet. 



3. Sandstone 2 feet. 



4. Yellow and blue clay 15 feet. 



5. Limestone 3 feet. 



6. Limestone 1 foot. 



Total 41 feet. 



The limestones at this place are the same as are found on Rock Creek, in 

 the western edge of Jack County, and numbered Section 23, 



33— geol. 



