539 



Orthis. 



slates (000,12,181.)— VIII G,d. Not the same as 0. van- 

 uxemi Winchell, 1862, from the Portage. 



Orthis ? See specimens in Catalogue Vol. 000, 501- 



41 ; 808-24, 809-9 ; 855-41, 46, 47 ; 877-1, 878-1, 882-2, 6.— Also 

 Oat. O, Spec. 2985, 2986, 3000, 3149, 3146, all in Venango Co. 

 under XII — Also 3178, with Ehynchonellas, Snodgrass quarry, 

 Crawford Co. X//.— 3211, 3223, ditto Franklin, X/Z— 3238, 

 Balmburg, O. X— 3241, Sharpsville, X— 3282, Wilcox, Mc- 

 Kean, X— 3308, Oil creek, Xf— 3333, Pleasantville, X?— 

 Orthis occur in the Shenango shale, Crawford shales. She- 

 nango sandstone, Q3, 60, 61, 124, Mercer Co. X— Usually 

 broken in Sub-olean conglomerate , Q4, 79, Crawford Co. X — 

 Undescribed species of Kinderhock limestone fades abound in 

 Meadville limestone beds in many places of Crawford Co. X. — 

 At Corry in Corry sandstone, Q4, 230, X— In bed 15 of Falls 

 run section (200' beneath Third Oil sand) Erie Co. Q4, 250- 

 VIII g.—ln Bedford Co. 0. tioga ? top of VIII at Saxton ; 

 shales over Upper Chemung Conglomerate, T2, p. 78, 228. Also 

 Orthis in upper part of Z. Held. p. 88, and on weathered surfaces 

 near New Paris, p. 121. Also east of Luthern church, Imlentown 

 road, p. 156, Also abundant on Martin's ridge near State line? 

 p. 159, VI — Over fossil ore, County farm, p. 140, and in ore 

 shales, Yellow creek, p. 198. F.— In Huntingdon, in Cypricar 

 dia led, east mouth of Sideling hill railroad tunnel, T3, p. 87, 

 IX-X; and abundant in bottom 30' of 100' black shale Shoup's 

 run, X. Also in Coral heds Powell's quarries 30' below top of 

 low. Held. p. 123, VI. — Occasionally in some of the Trenton 

 beds on Little Juniata, p. 367, II c.—ln Centre Co seen by 

 Ewing in Clinton, T4, p. 429. V 



Orthisina crassa. See Hemipronites crassus. XIII 

 Orthisina festinata, Billings. Pal. Foss Vol. 1, 1861. page 



a /.Quebec, h '289>^ c ^^ 



Geol. Canada. lUi .\ 



