Kxplanation of Plates. ATT 
PLATE LX. 
Fic. /.—Callipteridium sullivantit. From the Cherokee shales, Lansing. 
Natural size. 
Fic. 2.—Alethopteris grandim. From the Le Roy shales, Blue Mound. 
Slightly reduced. 
Fic. 3.—“Sternbergia.” From the Lawrence shales. About natural size. 
PLATE LXI. 
Fic. 1.—Neuropteris permiana sp. nov. One of the elongate pinnules 
with obtuse apex. From the Wellington shales. No. 5202, University 
of Kansas collection. Natural size. 
Fig. 2.—Pecopteris arborescens (Schloth.) Brongn. From the Wellington 
shales. No. 5249, University of Kansas collection. Natural size. 
Fig. 3.—Pecopteris cf. cyathea (Schloth.) Brongn. From the Wellington 
shales. University of Kansas collection. Twice natural size. 
Figs. 4-6.—Pecopteris cf. hemitelioides Brongn. From the Wellington 
formation. No. 536, University of Kansas collection. 
Fic. 7.—Callipteris cf. bergerom Zeiller. From the Wellington forma- 
tion. No. 5828, University of Kansas collection. Natural size. 
Figs. 8-11.—Callipteris whit sp. nov. Specimens illustrated by fig- 
ures 8 and 9 are typical of the species. Nos. 5852, 5855, 5357, Uni- 
versity of Kansas collection. Figures 8 to 10, twice natural size; 
figure 11, three times natural size. 
Fics. 12, 13.—Callipteris conferta Sternb. Nos. 5302, 5303, University 
of Kansas collection. Natural size. 
Fig. 14.—Callipteris sp. University of Kansas collection. Natural size. 
Fic. 15.—Callipteris sp. Part of a very large, coarse callipterid fern. 
No. 5817, University of Kansas collection. Natural size. 
Fic. 16.—Callipteris elongata sp. nov. Pinnules showing venation. No. 
5312, University of Kansas collection. Natural size. 
Fig. 17.—Sphenophyllum obovatum sp. nov. A single whorl of leaves, 
showing four of the six leaflets. About three to four veins originate 
frem the base of each leaflet. These divide, the lateral ones soon 
reaching the border. The obovate form of the leaflets is well shown in 
this specimen. The border is slightly notched. No. 5369, University 
of Kansas collection. 
Fie. 18.—A single leaflet of same. Natural size. 
Fig. 19.—Sphenophyllum sp. Three leaflets, showing long, slender form, 
almost entire edges, narrow bases. No. 5375, University of Kansas 
collection. Natural size. 
Fig. 20.—Two leaflets from the same verticil. Twice natural size. 
All from the Wellington shales near Banner City, Kan. 
