110 PROCEEDINGS OF THE ACADEMY OF [1895. 



Coming westward the same unfossiliferous condition of these lower 

 beds is seen along the south side of the Sabine River in Gregg 

 County, in a section at Iron Bridge Post Office. Here the bluff 

 shows : 



1. Surface dark brown or coffee-colored sand with 



broken fragments of sandstone 6 feet 



2. Heavy bed of yellowish-brown sandstone .... 6 feet 



3. Brown sand 6 feet 



4. Brown or yellowish-brown sandstone similar to No. 



2, but softer and containing alternate strata of 



brown sand , 10 feet 



5. Brown or yellowish-brown sand containing occa- 



sional small nodules or concretions of iron . . 12 feet 



In the Mount Selman region, in Cherokee County, the section 

 shown along the line of the Tyler Southeastern Railway is more 

 sand than sandstone, and while containing a few fossil casts cannot 

 be called fossiliferous throughout. The general section shown from 

 Jacksonville to Bullard gives : 40 



1. Gray surface sand 10 feet 



2. Brown sand, ferruginous pebbles and iron ore . . 15 feet 



3. Mottled sand 10 feet 



4. Brownish- yellow sand 4 feet 



5. Brownish- yellow standstone 10 feet 



6. Alternate strata of laminated iron ore and brown 



sand, the ore generally from two to ten inches 



and the sand from one to two feet thick .... 8 feet 



7. Dark green sand containing casts of small bivalve 



shells 5 feet 



8. White clayey sand 1 foot 



9. Dark green, nearly black, sand containing thin 



seams of ferruginous material near top, and also 

 containing small fish teeth and Vener war xlla plan i- 

 costa and Sphcerella antiproducta in very small 

 numbers . . . , 12 feet 



10. Brown sand • 10 feet 



11. White sand 10 feet 



Third Annual Report Geol. Survey of Texas, 1891, p. 53. 



