663 



Plant. 



shale, 110' beneath the Jolleytown coal^ on Limestone No. 3, at 

 Mosier's RR. cut, Nottingham, Washington, K, 225. 



Plants numerous inroof shales of the Dunkard coal^ over 

 Limestone No. 9, K, 42. 



Plant leaves in Limestone No. 10, K, 41. 



Plant bearing shale in well, near Limestone No. 11, K, 39. 



Plant impressions in shale over Oilmore sandstone^ the 

 highest in south-western Pennsylvania, under Limestone No. 

 14, K, 110. 



Plant of Triassic age, of unknown alliance. Fontaine in 



Su// 



U. S. Bulletin No. 6, plate 52, fig. 2. From Emmon's Amer. 

 GeoL, p. 119, fig. 99 ; a singular form, most^ommon in the 

 North Carolina blue shale of Lockville (base of Upper Meso- 

 zoic) ; obscurely seen in the Virginia Clover Hill coal strata ; 

 stems, not leaves ; succulent rhizomes of some unknown plant 

 which spread branching in the soft mud of the Trias age, 



Platephemera antiqua, Scudder. A flying insect from 



the Devonian rocks of 

 St. John, N. B., Canad. 

 Nat. [2] Vol. 3, 1867, p. 

 205, fig. 2.— VIII? IX? 

 Figure taken from Zit- 

 tePs Handbuch, p. 759, 

 fig. 943, natural size. — 

 :i^rei ^^----....-'-' 943 VIII-IX 



15 



Ylll-IX 



