455 



Neur. 



nerves of all ; only a bit of a pinna (f. 9) and probably an end 

 leaflet (f. 10). Coal Flora, 1880, p. 82, pi. 5, figs. 7, 8. Out- 

 line like N. fimbriata^ but venation allied to Cyclopteris 

 ciliata, Heer, just as N, fimbriata is allied to C lacerata^ 

 Heer. Blakely and Gate veins, near Pottsville. — XIII. 



Neuropteris desorii. Lesq. Geol. Fa. 1858, p. 859, plate 



bpi^7i\s\Des/mi Jiwici 



3^ 



5, tigs. 11, 12; plate 20, figs. 5, 



6, 7, 8 ; the most variable of 

 the Neuropterids ; but nerva- 

 tion alwavs the same, and the 

 vaj-ieties all on the same slates, 

 showing transitional forms ; 

 very like iV. heterophylla^ 

 Brgt., but has thinner and less 



/}i^SS distinct veins. — Coal Flora, 

 1880, p. 112, pi. 11, 1-7, 15, 1—XIlI Salem vein, Pottsville ; 

 Blakley vein, near Archibald ; Wilkesbarre ; Cannelton, W. 

 Pa. ; not West.— Lesq. Geol. Pa. 1858, p. 855. pi. 4, f. 19 to 22 ; 

 pi. 5, f. 1, 2, from Gate vein, anthracite, at Middleport, Sch. 

 Co., Pa., same as Neuropteris tindans. All the leaves lie 

 together on the same slate. — Coal Flora, P, 1880, p. 82, plate 

 5, f. 7, 8; species extremely rare in our coal measures; leaves 

 2 



Lesg. ^n G^mfk 



