TYPE SPECIMENS OF FOSSIL PLANTS. 275 



30884. Pterophyllum affine Nathorst. Illustrated specimen. 



Triassic. Midlothian, Richmond Coal Field, Virginia. 

 Fontaine, Mon. VI, U. S. Geol. Surv., 1883, p. 66, pi. 32, fig. 3. 



8216. Pterophyllum daleanum Ward. Type. 



Triassic. Lockville, Chatham County, North Carolina. 

 Ward, Twentieth Ann. Rept. U. S. Geol. Surv., Pt. II, 1900, p. 290. 

 See Pterophyllum pectinatum and Pterozamites pectinatus. 



8217. Pterophyllum decussatum (Emmons) Fontaine. Type. 



Triassic. Chatham County, North Carolina. 



Fontaine, Mon. VI, U. S. Geol. Surv., 1883, p. in, pi. 51, fig. 2. 



= Ctenophyllum braunianum angustum. 

 See Pterozamites decussatus. 



592. Pterophyllum haydenii Lesquereux. Types. 



598. Dakota (Cret.). Near Decatur, Nebraska. 



Lesquereux, Amer. Jour. Sci., XLVI, 1868, p. 91. 



592 = Pterophyllum? haydenii. 

 598 = Abietites ernestinae. 



592. Pterophyllum ? haydenii Lesquereux. Type. 



Dakota (Cret.). Near Decatur, Nebraska. 



Lesquereux, Rept. U. S. Geol. Surv. Terr., VI, Pt. I, 1874, p. 49, 

 pi. 1, fig. 6. 



3499. Pterophyllum insequale Fontaine. Types. 



30976. Triassic. Clover Hill, Richmond Coal Field, Virginia. 



Fontaine, Mon. VI, U. S. Geol. Surv., 1883, p. 64, pi. 36, fig. 1. 



8216. Pterophyllum pectinatum Fontaine. Type. 



Triassic. Lockville, Chatham County, North Carolina. 

 Fontaine, Mon. VI, U. S. Geol. Surv., 18S3, p. 112, pi. 53, fig. 4. 



= Pterophyllum daleanum. 

 See Pterozamites pectinatus. 



8221. Pterophyllum robustum Emmons. Type. 



Triassic. Ellingtons, four miles from Lockville, Chatham 

 County, North Carolina. 



Emmons, Amer. Geology, VI, 1857, p. 122, fig. 91. 



= Ctenophyllum robustum. 



8219. Pterophyllum spatulatum (Emmons) Fontaine. Type. 



Triassic. Chatham County, North Carolina. 



Fontaine, Mon. VI, U. S. Geol. Surv., 1883, p. 114, pi. 53, fig. 6. 



= Ctenophyllum braunianum angustum. 



30081. Pterospermites alaskana Knowlton. Types. 



30089. Eocene (Tert.). Kukak Bay, Alaska. 



Knowlton, Harriman Alaska Exped., IV, 1904, p. 156, pi. 26, fig. 2; 

 pi. 32. 



