905 Khyn. 



Rhynchonella ? Figure on page 62 of this Dictionary 



is not an Atrypa. (Hall's 1843, fig. 81, 4.) (R. P, W.) 



Rhynchonellas^ in black Trenton limestone are the principal 

 forms, in NearhofF's quarry, N. side of the Little Juniata river 

 above Tyrone forge ; and also in the river bluff 560 feet west 

 ot the forge (bed No. 11 of 0. E. Hall's river section) where 

 Spec. 2583 was got. (T, 58, 59; T3, 365; O, 113.)—// c, 



Rhynchonellas^ etc., etc., are numerous, but in a fragmen- 

 tary condition, over the Ore sandstone^ at Barre station, Hunt- 

 ingdon Co. (T3, 222) ; and in Bedford Co., over the County 

 Farm ore led (T2, 140) ; and well preserved in the fossil ore 

 bed itself at Joe Walter's mine (T2, 153). May be R, Imvisy 

 Simpson, which Jas. Hall recognized as new species in spec. 

 506-9, got 2 miles S. W. of Bell's Mills, Bell's Mills, Blair Co., 

 in Clinton lime shales. See also Spec. 502-43 from the shales 

 over McKey's ore bed, Mifflin Co. V a. 



Ehynchonellas^ Trematosperas^ and Spiriferas are numer- 

 ous in the Lower Helderherg limestone at the Bedford cem- 

 tary (T2,155.) VL 



Rhynchonellas in the Orishany^ are abundant, and described 

 under their respective names in preceding pages. VII. 



Rhynchonellas {? Leptoemlias) occur in lower Corniferous 

 leds., on slope of the Hogback, Walpack bend, Pike Co. (See 

 spec. 810-5.) Yllla, 



Rhynchonellas in the Marcellus at E. C. Summer's, Hunt- 

 ingdon Co. (Spec. 12,858). Vlllh. 



Rhynchonellas in Hamilton lower sandstone.^ Huntingdon 

 Co., on Weaver's run (T3, 156); specially abundant on Coffee 

 run (T3, 112) ; on Shy Beaver creek, 700' above Oriskany (T3, 

 163), and in Bedford Co., Saxton section (bed No. 41, 1800' be- 

 neath Chemung lower conglomerate., (T2, 231.) VIII c 



Rhynchonellas '^n Portage formation., obscure specimens on 

 Yellow creek, Bedford Co., 1500' beneath Chemung lower con- 

 glomerate (T25 80) ; and in Fulton Co., on Tonoloway creek, 

 Thompson township, road to Brewer's mill where good collec- 

 tions of them can be made. (T2, 276.) VIII f. 



Rhynchonellas in the Chemung formation are incredibly 



