Pentre. 



620 



Pentremites {ohliquatus?) laterniformis, Owen and 



Shumard Jour. Acad. Nat. Sci. 

 2d Series, Vol. 2, 1850. Geol. 

 Wisconsin, 1852, plate 5 A, fig. 

 15, Randolph Co., 111., Mill 

 creek, Carh, lirne. {Pentremi- 

 tes ohliquatus ^^oemer) SafFord* 

 Geol Tenn. 1869, pa^e 346, plate 

 6(1) tiers. 2 a. to 2 d. Its place 



Ow. 



A 



Safford . GeolTewv.flctte.- ^ 6m 



is given (on p. 345) at (Jlarksville, Tenn., in beds (3), 48' 

 thick, in the middle of the L. Carb. or Mountain limestone^ 

 with ArchcBOGidaris^ and Melonites multipora. XL — ' 



Pentremites obesus, Lyon, Geol. Sur. Ky., Vol. 3, 1857, page 

 469, plate 2, fig. 1, base; 1 a^ summit; 1 5, profile; 1 (?, basal 

 pieces; 1 6?, fragments showing the interradial pieces; 1 6, 

 generic figure, ^ X , 1. Basal pieces. 2. First radial pieces. 3. 

 second radical pieces. 4. Third radial pieces. 5. Interradial 

 pieces. 6. Pseudambulacral fields. This beautiful crinoid is 

 only found (1857) in a six foot layer of limey shale in the lower 

 60' of the shale division (which is 150' thick) in the middle 

 of the Millstone Grit formation of West Kentucky, and 200' 

 above its base, Crittenden Co. That would correspond to our 

 Mercer limestones. XII. — For figure see p, 621, 



Pentremites pyriformis, Say. Jour. Acad. Nat. Sci. Phila. 

 Vol. 4, 1825. Kaskashia limestone. Recognized by I. C. 

 White in the Ferriferous limestone of the Allegheny Coal 

 series.^ in Lawrence Co., Green's quarries, Taylor, Q2, 47, 142; 

 also in Mercer Co., Q3, Ih.—XIII. 



•■\ 



