276 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



4201. Pterospermites cordatus Ward. Type. 



Fort Union (Tert.). Seven Mile Creek, below Glendive, 

 Montana. 



Ward, Bull. No. 37, U. S. Geol. Surv., 1887, p. 93, pi. 41, fig. 4. 



577. Pterospermites cupanioides (Newberry) Knowlton. See 

 Phyllites cupanioides and P. venosus. 



4205. Pterospermites cupanioides (Newberry) Knowlton. See 

 5343. Pterospermites whitei. 



3580. Pterospermites cupanioides (Newberry) Knowlton. 



Illustrated specimen. 

 Fort Union (Tert.). Glendive, Montana. 



Knowlton, Proc. U. S. Nat. Mus., XVI, 1893, p. 35, pi. 2, fig. 1. 



7122. Pterospermites dentatus Heer. Illustrated specimens. 



7123. Eocene? (Tert.). Yukon River, Alaska. 



Newberry, Mon. XXXV, U. S. Geol. Surv., 1898, p. 133, pi. 53, 

 figs. 1, 2. 



4370. Pterospermites haguei Knowlton. Type. 



Miocene (Tert.). Fossil Forest Ridge, upper stratum, 

 Yellowstone National Park. 



Knowlton, Mon. XXXII, Pt. II, U. S. Geol. Surv., 1899, p. 742, pi. 

 99. fi g- 4- 



2742. Pterospermites longeacuminatus Uesquereux. Type. 



Dakota (Cret.). Near Fort Harker, Kansas. 



Lesquereux, Mon. XVII, U. S. Geol. Surv., 1891, p. 186, pi. 59, fig 3. 



30088. Pterospermites magnifolia Knowlton. Type. 



Eocene (Tert.). Kukak Bay, Alaska. 



Knowlton, Harriman Alaska Exped., IV, 1904, p. 156, pi. 31. 



4202 Pterospermites minor Ward. Types, 



to Fort Union (Tert.). Burns's Ranch, Montana. 



4 2 °4- Ward, Bull. No. 37, U. S. Geol. Surv., 1887, p. 95, pi. 42, figs. 1-3. 



2813. Pterospermites modestus Lesquereux. Type. 



Dakota (Cret.). Near Fort Harker, Kansas. 



Lesquereux, Mon. XVII, U. S. Geol. Surv., 1891, p. 186, pi. 58, 

 fig- 5- 



730. Pterospermites sternbergii Eesquereux. Types. 



732. Dakota (Cret.). Fort Harker, Kansas. 



Lesquereux, Sixth Ann. Rept. U. S. Geol. Surv. Terr., 1872 [1873], 



P- 425- 

 = Protophyllum sternbergii. 



4205. Pterospermites whitei Ward. Type. 



5343. Fort Union (Tert.). Burn's Ranch, Montana. 



Ward, Bull. No. 37, U. S. Geol. Surv., 1887, p. 94, pi. 41, figs. 5, 6. 



= Pterospermites cupanioides. 



