PLANT-BEABIXG OUTCROPS. 59 



Section on Calaveras Creek, Tex. 



Pleistocene: Feet. 



Yellow loam 5 



Covered 4 



Deposits regarded by the author as belonging to the Wilcox group: 



(iravel 5 



Yellow stratified sand 4-10 



Compact laminated, brown to gray clay with foasil plants 0- 6 



The small clay lens at tlic base of the section jiai'lsoii witli tlie floras of the Wilcox of tlie 



contains much comminuted vegetai^le matter eastern (lulf area it may be noted that none of 



and rather poorly preserved impressions of the species from Calaveras CYeek are confined 



leaves, among which the followuig are recog- to the Ackerman formation or ]o\v<>r Wilcox. 



nizable: Three species are confined to the Ackerman 



„ ,. , , ,„, formation and Holly Springs sand; 1 to the 



Bumelia pseudoteiuix (?). tt n • i i i 



Calyeites ostryaformis. Holly Sprmgs sand ; and 6 to the Holly Sprmgs 



Cassia bentonensis. Sand and Grenada fornnition. It seems evi- 



DiospvTos braohysepala (?). dent that the outcrop is of about the same age 



Ficus vaughani. ^g (jjogg ^t Benton and Malvern m Ai-kansas, or 



Gleditsiophyllum coconicum. i . , • . • , ^ i ■ 



,, ., / : ,. .,. somewliat younger, and is certandv not older 



ilespilodapnne colignitica. i 



Rhamnites berchemiafonnis. than the Holly Sprmgs sand or midcUe Wilcox 



Sabalites grayanus. of Mississippi. This conclusion receives con- 



Sapindus bentonensis. fu'mation from the single species DUleniUs 



Sapindus linearifolius. texaisis Berry, described from near Pope Bend 



Termmalia leslevana (?). ^, it>- -t)* r\ l i-i 



on Colorado Ivivcr in Bastrop County, which 



Of these 12 species 2 are new and therefore occurs elsewhere only at the top of the Wilcox 

 without stratigraphic significance. In com- at Grenada, Miss. 



