157 Crin. 



impressions, poor); 304-7 (two impressions) ; from Henrietta 

 mines, Blair Co.; 305-1 (nine stem impressions, decomposed, 

 poor) from Leathercracker cove, Blair Co. All from Hud- 

 son river slate. Ill h. 



In Medina sandstone ? Stevenson found encrinal stem-casts 

 in a block of softened sandstone, at the summit of Evitts mtn. 

 Bedford Co., on road into Friend's cove (T2, 170). — See also 00, 

 Spec. 5113, sandstone showing crinoidal marks found in Swa- 

 tara creek, Lebanon Co., Pa., which had come from /FJ or 

 some higher sandstone formation. 



In the Clinton formation^ crinoid impressions are in olive 

 shades, 700' beneath fossil ore bed, at Three Springs, Hunting 

 don Co., and in the middle of the Ore SS, under the ore bed, at 

 Orbisonia, (T3, 141;) crowd the bottom layers of the Ore SS 

 (600' above lY) in Brush ridge, Jackson township (T3, 241) — 

 Specimens in the Cabinet (00, p. 233) 502-4, McKee's, Mifflin 

 Co., frag, stems; 502-33, poor stems; 509-1, stems, ends, im- 

 pressions, Orbisonia. Clinton shale^ V a. 



In the Lower Helderlerg formation, crinoid fragments fill beds 

 100' to 130' below Oriskany (VII) at Powell's quarry. Cove 

 Station, Huntingdon Co. (T3, 123) ; also the limy slates, 320' 

 under VII, at Weaver's run (T3, 157) ; largely make up bed 45, 

 225' under VII, the most esteemed liux (T3, 160) ; especially 

 numerous in the McConnellstown lime cliffs (T3, 201) ; fill, 

 (with shells) the fetid limestone bed, top of No. 2, of HefFricht's 

 quarry section, in West and Logan townships (T3, 227). — In 

 Bedford Co. numerous in limestone bed 44 of Hyndman Sect. 

 87' below VII, on Wills creek (T2, 104) ; stems in grey cherty 

 limestone 100' below VII, Bedford section (T2, 149).— In the 

 Montour region, abundant at Russell's, Derr's, Appleman's, 

 Eck's qnarries, (G7, 88, 300, 311, 313)— Spec. 607-2 (00, p. 

 234) stems and hryozoa^ poor, from Tyrone City, Lower Hel- 

 er})erg limestone^ VI. 



In the Marcellus formation, crinoids appear in Pike and 

 Monroe Co: (G6, 116, 241, 255, 268, "lU)— Villi, 



In the Hamiltonf ovmdition in Pike and Monroe, crinoidal frag- 

 ments occur in the fossiliferous layers (G6, 112). In the Mon- 

 tour region they are numerous at the base, just over the Mar- 

 cellus (G7, 217) ; also in the upper beds, at Paxinos Station, 

 Shamokin t.. North. Co. ; and 100' below the top at Vander- 



