ASTA. 



44 



Abundantly in the Ferriferous limestone in Beaver (Q, 62); 

 Lawrence (QQ, 47); Mercer (QQQ, 25); Butler (V, 146). 

 White found it in the Mercer lower limestone, XII (QQ^ 78). 

 — Still lower, Stevenson found it in the Pocono sandstone 

 strata, X, in the mountain gaps of Westmoreland and Fayette 

 Cos. (KKK, p. 310).— X to XIV. For iigure see Appendix. 



Astartella vera. Hall, Geol. Report of Iowa, 1858, Coal 

 Measures. — In Pennsylvania found by J. J. Stevenson, in Sub- 

 conglomerate (Pocono, X) measures in the mountain gaps of 

 Westmoreland and Fayette counties. Report KKK, p. 310. — 

 X, — For -figure see Appendix. 



Astartella ? found by J. J. Stevenson with A. vera in the 



gaps of Westmoreland and Fayette Cos., Pa. Report KKK, 

 p. 310.— X 



Asterophycus coxii. (Lesquereux; in Geol. Report of Indi- 



ana, 1875, page 139, plate 2.) Collett's Indiana of 1888, page 

 31, plate 2, fig. 4. — XIIL Coal measure sandstone New Har- 

 mony, lad., and Rock Castle, Ky. — Coal Flora, B, figs. 5, 6.) 



