Explanation of Plates. AT3 
PLATE XLIX. 
Fic. 1.—Odontopteris genuina Grand Eury. Pinnules of the average size, 
showing the numerous veins forking near the borders. From the 
Le Roy shales at the Haverkampf farm, three miles southeast of Law- 
rence. No. 630, University of Kansas collection. Twice natural size. 
Fic. 2.—Mariopteris obtusiloba D. W. var. Terminal part of a pinna with 
broad pinnules. From the Le Roy shales. No. 580, University of 
Kansas collection. Natural size. 
Fig. 3.—Alethopteris grandini (Brongn.) Goep. A typical large pinnule. 
From the Le Roy shales. No. 1988, University of Kansas collection. 
Three times natural size. 
Fic. 4.—Venation of same. 
Fic. 5.—Neuropteris hastata D. W. From the Bethany Falls limestone at 
Kansas City, Kan. No. 2076, University of Kansas collection. 
Fic. 6.—Odontopteris genuina Grand EHury. Ultimate pinne, showing the 
broad pinnules passing into a large terminal pinnule at the top. The 
basal pinnule on the lower side is deflexed and ovate. All are without 
midrib and supplied by many branched veins. From the Le Roy shales. 
No. 631, University of Kansas collection. Natural size. 
Fic. 7.—Odontopteris excellsa sp. nov. Part of a large pinna, showing 
the very large pinnules with few veins. From the Le Roy shales. 
No. 626, University of Kansas collection. Natural size. 
Fig. 8.—Same species. Two large pinnules, showing their broad obtuse 
form and distant veins. From the Le Roy shales at the Haverkampf 
farm. No. 626, University of Kansas collection. Natural size. 
Fig. 9.—Odontopteris excellsa sp. nov. Part of a pinna, showing punctate 
rachis and distant venation, the veins arising from the rachis without 
a midrib. From the Lawrence shales at Twinmound. No. 625, Uni- 
versity of Kansas collection. Natural size. 
PLATE L. 
Figs. 1, 2.—Callipteridium sullivantii (Lesqx.) Weiss. From the Chero- 
kee shales at Lansing. No. 1701, University of Kansas collection. 
Twice natural size. 
Figs. 3, 4.—Callipteridium sp. From the Lawrence shales. No. 1896, 
University of Kansas collection. Three times natural size. 
Fic. 5.—Alethopteris serlu (Brongn.) Goep. From the Cherokee shales at 
Lansing. No. 1950, University of Kansas collection. Twice natural 
’ size. 
Fic. 6.—Neuropteris caudata D.W.? From the Cherokee shales at Lan- 
sing. No. 2190, University of Kansas collection. Three times natural 
size. 
Fic. 7.—Neuropteris desorti Lesqx. Ultimate pinnze, with small pinnules 
becoming connate with the large terminal pinnule. From the Le Roy 
shales at the Haverkampf farm. No. 601, University of Kansas col- 
lection. Natural size. 
Fic. 8.—Enlarged pinnule of same, from near the top of the pinna. 
Fies. 9,10.—Neuropteris desorui Lesqx. Medium-sized pinnules. From 
the Le Roy shales at Oak Hill Cemetery, near Lawrence. No. 600, 
University of Kansas collection. Three times natural size. 
Fic. 11.—Neuropteris ovata Hoffm. Pinnule, with pointed auricle. From 
the Lawrence shales at Twinmound. No. 2195, University of Kansas 
collection. Three times natural size. 
