278 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



178. Quercus acrodon Lesquereux. Type. 



Montana (Cret.). Near Rock Creek, Laramie Plains, 

 Wyoming. 



Lesquereux, Amer. Journ. Sci. (2), XLV, 1868, p. 205; Rept. U. S. 

 Geol. Surv. Terr., VII, Pt. II, 1878, p. 158, pi. 19, fig. 13. 



= Quercus lesquereuxiana. 



7125. Quercus affinis (Newberry) Knowlton. Type. 



Upper Eocene (Tert.). Bridge Creek, Crook Count)^, 

 Oregon. 



Knowlton, Bull. No. 204, U. S. Geol. Surv., 1902, p. 45. 



See Fraxinus affinis. 



617. Quercus anceps Lesquereux. Type. 



Dakota (Cret.). Salt Creek, ten miles below Lancaster, 

 Nebraska. 



Lesquereux, Amer. Journ. Sci., XLVI, 1868, p. 96. 



= Diospyros ambigua. 

 See Diospyros anceps. 



191. Quercus angustiloba Al. Braun. Illustrated specimens. 



192. Laramie (Cret.). Golden, Colorado. 



Lesquereux, Rept. U. S. Geol. Surv. Terr., VII, Pt. II, 1878, p. 161, 

 pi. 21, figs. 4, 5. 



7596. Quercus applegatei Knowlton. Types. 



7597. Miocene (Tert.). Three miles southeast of Ashland, 



Oregon. 



Knowlton, Twentieth Ann. Rept. U. S. Geol. Surv., Pt. Ill, 1900, 

 p. 42, pi. 1, figs. 6, 7. 



4131. Quercus aquamara (Ward) Knowlton. Type. 



Laramie (Cret.). Black Buttes, Wyoming. 



Knowlton, Bull. No. 152, U. S. Geol. Surv., 1898, p. 189. 

 See Hedera aquamara. 



7702. Quercus argentum Knowlton. Type. 



Esmeralda (Neocene). 4.5 kilometers northeast of Emi- 

 grant Peak, Esmeralda County, Nevada. 



Knowlton, Twenty-first Ann. Rept. U. S. Geol. Surv., Pt. II, 1900, 

 p. 215, pi. 30, fig. 12. 



186. Quercus attenuata (Goeppert) Lesquereux. 



Supplemental t3'pe. 

 Arapahoe (Cret.). Sand Creek, Colorado. 



Lesquereux, Ann. Rept. U. S. Geol. and Geogr. Surv. Terr., 1873 

 [1874], p. 398. 



= Quercus viburnifolia. 



6947 Quercus banksiaefolia Newbeny. Type, 



to Puget Sound (Cret.). Chuckanut, Bellingham Bay, Wash- 



6949. ington. 



Newberry, Boston Journ. Nat. Hist., VII, 1863, p. 522; Mon. 

 XXXV, U. S. Geol. Surv., 1898, p. 69, pi. 18, figs. 2, 3, 5. 



