EXPLANATION OF PLATES. 
The following Plates, 9-13, inclusive, are illustrative of a paper on ew Species 
of Fossils from the Vicinity of Louisville, Kentucky, and the Falls of the Ohio,in the 
24th Report on the State Museum of Natural History, pp. 181-200". The plates 
were omitted in the publication of the Report for want of time for their prepa- 
ration. Explanations refer to pages of 24th Report, 
PLATE IX. 
ORTHIS RUG4/PLICATA H. & W. 
Page 182. 
_ Figs. 1, 2, 3. Dorsal, ventral and profile views of specimen enlarged two diam- 
eters. 
OrrHis Nisis H. & W. 
Page 181. 
Figs. 4-6. Dorsal, ventral and profile views of a large individual. 
«“ 7,8. Profile and dorsal views of a smaller individual. 
Propuctus (PRODUCTELLA) SUBACULEATA Murch., var. CATA- 
RACTA H, & W. 
Page 198, 
Fies. 9,10. Ventral and profile views. 
SP/IRIFERA ROSTELLUM H. & W, 
Page 182. 
Fies. 11-13. Dorsal, ventral and front views. 
CYRTINA CRASSA Hall. 
Page 198. 
Frias. 14, 15, 16. Dorsal, cardinal and front views. 
SPIRIFERA RADIATA Sow. 
Page 196. 
Fies. 17, 18. Dorsal and ventral views of a specimen from the horizon of the 
Clinton group, near Louisville, Ky. 
CYRTIA TRAPEZOIDALIS Hisinger. 
Page 183. 
Fras. 19, 20, 21. Dorsal, front and cardinal views of specimen. 
