Griffithides scitula (Meek and Hayden) Vogdes.
39. Neva Limestone. Prosser and Beede, MSS. This is the “dry bone” limestone of Swallow.[[15]] It is a gray limestone six or eight feet in thickness, in two layers, separated by a layer of shale. It weathers very rough, from which fact Swallow called it the “dry bone” limestone.
40. Eskridge Shales. Prosser, MSS. About thirty feet of shales between the above and the base of the Cottonwood limestone.
41. Cottonwood Limestone. Six feet of light buff-gray limestone, in two layers, the upper usually somewhat cherty, and filled with a small form of Fusulina secalica (Say). An excellent dimension stone, of wide distribution. Fossils rare.
Fusulina secalica (Say).
Lophophyllum profundum (Milne-Edwards and Haime) Foerste.
Archæocidaris sp.
Cystodictia inequimarginata Rogers.
Fenestella limbata Foerste.
Fenestella remota Foerste.