108 SMITHSONIAN MISCELLANEOUS COLLECTIONS [VOL. 50 



(4.) East side of Spanish Coulee (T. 17 N., R. 3 E.), 12 miles 

 east of Cascade, Cascade County, Montana. Collected by C. A. 

 Fisher and H. M. Eakin. 



(5.) Brown sandy shale 2 feet above main coal bed at Smauch's 

 mine, on east side of Belt Creek, at Belt, Cascade County, Montana. 

 Collected by C. A. Fisher and H. M. Eakin. 



(6.) Meridith mine, east side of coulee, about 3 miles southeast 

 of Nollar's ranch and 6 miles southwest of Geyser, Cascade County, 

 Montana. Collected by C. A. Fisher and M. R. Campbell. 



(7.) Canon on west side of Skull Butte, 6 miles southeast of Stan- 

 ford, Fergus County, Montana. Collected by C. A. Fisher and D. E. 

 Winchester. 



ORDER FIUCIN^E 



CLADOPHLEBIS HETEROPHYLLA Fontaine 



Cladophlebis heterophylla Fontaine, Proc. U. S. Nat. Mus., vol. 15, 1892, 

 p. 493, pi. lxxxiv, fig. 2; Fontaine in Ward, Monog. U. S. Geol. Sur- 

 vey, No. 48, 1905 [1906], p. 294, pi. lxxi, figs. 21-25. 



Locality. — Canon north side of Skull Butte, 6 miles southeast of 

 Stanford, Fergus County, Montana ; cut on Hazlett Creek 3 miles 

 south of Bauer sheep ranch ; Meridith mine, 3 miles southeast of 

 Nollar's ranch and 6 miles southwest of Geyser, Cascade County, 

 Montana. 



CLADOPHLEBIS BROWNIANA (Dunker) Seward 



Plate XI, Figs, i, ia 



Cladophlebis browniana (Dunker) Seward, Cat. Mesoz. PI. Brit. Mus., 

 Wealden Fl., pt. 1, 1894, p. 99, pi. vn, fig. 4. 



The material from Skull Butte, eastern Fergus County, Montana, 

 contains a number of fragments of pinnae that appear to belong to 

 this species. From the portions preserved it appears that the pinnae 

 must have been long and narrowly linear, with the pinnules contig- 

 uous and not cut quite to the rachis. The nervation is strong and 

 well marked, consisting of a fairly strong midvein and some 8 or 9 

 pairs of rather close forking veins. 



With such limited material at hand, it is hard to determine this 

 fern with complete satisfaction. It is apparently of exactly the same 

 type as Cladophlebis heterophylla Fontaine a — in fact, it seems hardly 



'In Ward, Monog. U. S. Geol. Survey, No. 49, 1905 [1906], pi. lxxi, fig. 24. 



