PLATE V. 



Pago. 

 Figs. 1 and 2. Prioxoceras ? brownbnse Miller 59 



Lower Carboniferous, Kinderhook group, Brown County, Ind. 

 Figs. 3 and 4. MrExsTEnocER.\.s? ix»i.\nen'se Miller 118 



Lower Carboniferous, Kinderhook group, Clark County, Ind. 

 Figs. 5-7. Prolecanites ? compactus Meek and Worthen 52 



Middle Coal Measures, Menard County, 111. 

 Figs. 8-10. Gasteioceras nolinexse Cox 95 



Middle Coal Measures, Nolin Iron Works, Edmonson County, Ky. 

 Fig. 11. NoMisMOCERAs ? .monroense Worthen M4 



Lower Carboniferous, St. Louis group, Monroe, 111. 



Note. — Figs. 1 and 2 are from Seventeenth Ann. Kept. Geol. Surv., Indiana, PI. XYIII, figs. 8 



and 4. 



Figs. 3 and 4 are from Seventeenth Ann. Rept. (Teol. Surv., Indiana, PI. XIX, figs. 2 



and 3. 

 Figs. 5-7 are from Geol. Surv. Illinois. \o\. V, PI. XXXI, figs. 2 a-c. 

 Figs. 8-10 are from Geol. Surv. Kentucky, Vol. Ill, PI. X, figs. 1, la, lb. 

 Fig. 11 is from Geol. Surv. Illinois, Vol. VIII, PI. XXVI, fig. 5. 



158 



