Lepi. 



320 



liepidodendron primsevum. 



H. 



D. Eogf^rs, Geol. Pa. 

 1858, page 828, 

 fig.675.--Fi//6. 

 Genesee hlaok 

 shale formation 

 ill which are 

 found '' well de- 

 veloped speci- 

 mens of an air- 

 breathing plant, 

 a Lepidoden- 

 dron^'^ the figure 

 representing a 

 fragment o 1 a 

 fork e d stem, 

 ending in a 

 bunch of grass- 

 like leaves. 

 Specimens,pres- 

 sed flat, were 

 collected by the 

 First Geo. Sur- 

 vey from the 

 Genesee outcrop 

 at the junction of 

 Standing Stone 

 creek with the 

 Juniata river, at 

 Hun t i n g d o n , 

 Pa.; and in the 

 same shale lie 

 beautiful im- 

 pressions of a 

 delicate marine 

 or brackish wa- 

 ter shell, Gonia- 

 tites intevTujpt- 

 us ? an Orhicula^ 

 twoLin^ulw^and 

 an Atrypa. The 

 marsh on which 



