Populus amblyrhyncha Ward — Populus daphnogenoides Ward. 
303 
Populus amblyrhyncha Ward — Eocän, Glendive, Montana — F. H. 
Knowlton (2), p. 198. 
Populus amblyrhyncha Ward — Eocän, Hell Creek, Montana —F.H.K n o w 11 o n (2), 
p. 185. 
Populus amblyrhyncha Ward — Eocän, Melville, Montana — F.H. Knowlton (2), 
p. 194. 
Populus amblyrhynchäWa,rd — Eocän,MilesCity,Montana — F.H.Knowlton(2), 
p. 188, 189. 
Populus amblyrhynchaWsiYd.— Eocän,RedLodge,Montana — F.H.Knowlton(2), 
p. 195. 
Populus amblyrhyncha Ward — Eocän, South Dakota — F. H. Knowlton (2), 
p. 203. 
Populus amblyrhyncha Ward — Eocän, Yule, North Dakota; nach Stanton 
(1) obere Kreide — F. H. Knowlton (2), p. 202. 
Populus arctica Heer — Eocän, Alaska, Kenaiformation — L. M. Prindle (1), 
p. 26. 
Populus arctica Heer (Lesq.)—Eocän, Bighorn Basin,Wyoming—F.H.K n o w 11 o n (2), 
p. 213. 
Populus arctica Heer (Lesq.) — Eocän, Bighorn Mountains, Wyoming — F. H. 
Knowlton (2), p. 211. 
Populus arctica Heer (Lesq.) — Eocän, Miles City, Montana—F.H. Knowlton (2), 
p. 189. 
Populus arctica Heer — Kreide, Laramie, Wyoming — N. H. Darton et C. E. 
Siebenthal (1), p. 41. 
Populus arctica Heer — Tertiär, Paskapoo und Laramie, Canada — D. B. 
Dowling (1), p. 32. 
Populus attenuata A.Br. — Obermiocän, Heggbacli, Württemberg — Th.Engel(1), 
p. 562. 
Populus balsamoidesGö pp.—Miocän,Senftenberg; nachMenzel—T h.S c h m i e r e r(l), 
p. 12. 
Populus balsamoides Göpp. — Obermiocän, Heggbach, Württemberg — 
Th. Engel (1), p. 562. 
Populus balsamoides Göpp. — Tertiär, Burdigalien, Soleil Levant, Schweiz — 
K. Andrews (1), p. 221. 
Populus cuneata Newb.— Eocän, Bighorn Basin, Wyoming— F. H. Knowlton (2), 
p. 213, 214, 215. 
Populus cuneata Newb. — Eocän, Bighorn, Montana — F. H. Knowlton (2), 
p. 192. 
Populus cuneata Newb. — Eocän, Glendive, Montana — F. H. Knowlton (2), 
p. 197, 198. 
Populus cuneata Newb.— Eocän, Hell Creek, Montana — F. H. Knowlton (2), 
p. 185. 
Populus cuneata Newb. — Eocän, Melville, Montana — F. H. Knowlton (2), 
p. 194. 
Populus cuneata Newb. — Eocän, Miles City, Montana —F.H. Knowlton (2), 
p. 188, 189. 
Populus cuneata? Newb. — Eocän, Red Lodge, Montana — F. H. Knowlton (2), 
p. 196. 
Populus daphnogenoides Ward — Eocän, Bighorn Basiu, Wyoming — F. H. 
Knowlton (2), p. 213. 
Populus daphnogenoides Ward — Eocän,Melville,Montana—F.H. Knowlton(2 ), 
p. 194. 
