HAWORTH AND BENNETT.| General Stratigraphy. 115 
tion is a friable limestone with a thickness in some localities of 
4 feet, which is composed to a large extent of the tests of 
Fusulina secalica Say. About 30 feet above its base it abounds 
in Fusilina. About 30 feet higher is another conspicuous yel- 
low limestone.” 
Fauna.—See Doctor Beede’s chart, plate XLII. 
Neva Limestone.84 
Prosser and Beede gave this name to this limestone, Neva, 
from whence it is taken, being a station on the Atchison, To- 
peka and Santa Fe railroad. It lies immediately above the 
Elmdale formation. } 
Thickness.—The Neva limestone is 10 feet or more thick, in 
two members. 
Characteristics.—Prosser® says the Neva limestone “‘breaks 
off in large blocks with sharp angles and a rough, jagged sur- 
face, weathering to a color not dissimilar to that of bleached 
bones.” 
Fauna.—sSee Doctor Beede’s chart, plate XLII. 
E'skridge Shales.86 
From large exposures of these shales near Eskridge the 
name was given by Prosser and Beede. It fills the interval be- 
tween the Neva limestone and the Cottonwood limestone. 
Thickness.—The Eskridge shales are from 30 to 40 feet 
thick, according to Prosser, in the volume so often quoted. 
Characteristics.—The Eskridge shales, with the exception of 
a few thin limestones in them, are massive greenish, chocolate, 
and yellowish clays. 
Fauna.—See Doctor Beede’s chart, plate XLII. 
Cottonwood Limestone.87 
The name Cottonwood limestone or Cottonwood Falls lime- 
stone is a commercial term used by the trade for an indefinite 
period before it was applied to a definite geologic horizon. Ex- 
tensive stone-quarries were opened up in the vicinity of Cot- 
tonwood Falls and stone shipped to many places for erecting 
costly buildings. In the summer of 1893, Haworth and Kirk 
84. Prosser, Chas. S.: Jour. of Geol., vol. x, No. 7, p. 718, diagram. 1902. 
85. Prosser, Chas. §.: Jour. of Geol., vol. x, No. 7, p. 709. 1902. 
- 86. Prosser, Chas. S., and Beede, J. W.: Jour. of Geol., vol. x, No. 7, p. 718, dia- 
gram. 1902. 
87. Haworth, E., and Kirk, M. Z.: Kan. Univ. Quart., vol. 11, p. 112. 1894. 
