96 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



7124. Alnus alaskana Newberry. Type. 



Eocene (Tert.). Kootznahoo Archipelago, Alaska. 



Newberry, Proc. U. S. Nat. Mus., V, 1883, p. 509; Mon. XXXV, 

 U. S. Geol. Surv., 1898, p. 65, pi. 48, fig. 8. 



159. Alnus americana Ettingshausen. Type. 



Laramie (Cret.). Evanston, Wyoming. 



Ettingshausen, Denks. der Math. Nat. Classe der Kaiserlich. Akad. 

 der Wissensch. , LXVII, 1883, p. 15; Mem. Geol. Surv. N. S. 

 W., Pal. No. 2 (Tert. Fl. Aust), 1888, p. 25. 



= Betula stevensoni. 



See Betula goepperti and B. caudata. 



167. Alnus inaequilateralis (Eesquereux). Types. 



550. Green River (Tert.). Alkali Station, Wyoming. 



Lesquereux, Rept. U. S. Geol. Surv. Terr., VIII, Pt. Ill, 1883, 

 p. 151. 



See Alnites inaequilateralis. 



645. Alnus kansaseanus Lesquereux. Type. 



Dakota (Cret.). Western Kansas. 



Lesquereux, Rept. U. S. Geol. Surv. Terr. , VI, 1874, p. 62, pi. 30, fig. 8. 



= Quercus kanseana. 



See Hamamelites kansaseanus. 



166a. Alnus kefersteinii (Goppert) Unger. Illustrated specimen. 



Laramie? (Cret.). Evanston, Wyoming. 



Lesquereux, Rept. U. S. Geol. Surv. Terr., VII, Pt. II, 1878, p. 140, 

 pi. 18, fig. 7. 



166. Alnus kefersteinii (Goppert) Unger. Illustrated specimen. 



Green River (Tert. ) . Near Green River Station, Wyoming. 



Lesquereux, Rept. U. S. Geol. Surv. Terr., VII, Pt. II, 1878, p. 140, 

 pi. 64, fig. 11. 



8551. Alnus macrodonta Knowlton. Type. 



Upper Eocene (Tert.). Bridge Creek, Crook County, 

 Oregon. 



Knowlton, Bull. No. 204, U. S. Geol. Surv., 1902, p. 42, pi. 4, fig. 1. 



7003. Alnus serrata Newberry. Type. 



Fort Union (Tert.). Tongue River, Custer County, Mon- 

 tana. 



Newberry, Ann. Lye. Nat. Hist. N. Y., IX, 1868, p. 55; U. S. Geol. 

 Surv. Terr., Ills. Cret. and Tert. Plants, 1878, pi. 16, fig. 11; 

 Mon. XXXV, U. S. Geol. Surv., 1898, p. 66, pi. 33, 'fig. n. 



7091. Alnus serrulata fossilis Newberry. Type. 



Upper Eocene (Tert.). Bridge Creek, Crook County, 

 Oregon. 

 Newberry, Mon. XXXV. U, S. Geol. Surv., 1898, p. 66, pi. 46, fig. 6. 



7092. Alnus sp.? Newberry (fruit of). 



Upper Eocene (Tert.). Bridge Creek, Crook County, 

 Oregon. 

 Newberry, Mon. XXXV, U. S. Geol. Surv., 1898, p. 67, pi. 46, fig. 7. 



