FBOM THE CBETACEOUS HOOKS. 183 



Populooaulis yezoensis, Slopes & Fujii, 1910, pp. 63-64, pi. viii, 



fig- "ly. Upper Cretaceous ; Hokkaido, Japan, 



Populophyllum crassinerve, Funtaiue, 1889, p.csl2, pi. clTiii, flg. 4. 



Potomac Foniialion ; Virginia, U.S.A. 

 hederaeforine, Fontaine, 1889, p. 311, pi. clxvi, fig. u. Ibid. 



menispermoides, A\ard, 1906, p. 498, pi. ex, figs. 2-4. Ibid. 



- — minutum, Ward, 1905, p. 499, pi. oYii, fig. 9. Ibid. 



reniforme, Fontaine, 1889, p. 311, pi. olv, fi^. 9; pi. clvi, fig. 3. 



Ibid. 

 Populus acerifolia, Newberry, 1870, p. 65 ; & 1878, pi. xiii, figs. 5-8. 

 Laramie Formation. (Recorded Kuriz, 1902, p. 51 from 

 Cenomanian, Argentina.) 



amissa, Heer, 1882, p. 65, pi. rxriii, fig. 18. 



Atane Beds ; Greenland. 



? apiculata, Newberry in HoUict, 1893, p. 31, pi. iii, fig. 2 ; & 



Newberry, 1895, p. 65, pi. xv, figs. 3, 4. 



Earitan Formation ; Staten Island, U.S.A. 



• arlstolochioides, Lesquereux, 1876 a, p. 393. 



Dakota Group ; Kansas, U.S.A. 

 — — auricTilata, Ward, 1895 a, p. 356, pi. iv, fig. 4. 



Potomac Formation ; Virginia, U.S.A. 



Berggreni, Heer, 1871, p. 1183 ; & 1874 a, p. 106, pi. xxix, figs. 1-5. 



Atane Beds ; Greenland. 



cordata, Heer (non Newberry), 1871, p. 1183 [nomen nudum]. 



Ibid. 



cordifolia, Newberry, 1870, p. 18 ; & 1878, pi. iii, fig. 7. 



Dakota Group ; Nebraska, U.S.A. 



cretacea, Knowlton in Stanton & Hatober, 1905, p. 138, pi. xvii, 



tigs. 1-5. Judith Biver Beds ; Montana, U.S.A. 



cyclophylla, Heer in Meek & Hayden, 1859, p. 266. {=PopuHtes 



cyclophylla (Heer), Lesquereux, 1868, & C'issiies cyclcrpkylla, Lx., 

 1876.) Dakota Group ; Nebraska, U.S.A. 



? Debeyana, Heer in Capellini & Heer, 1867, p. 14, pi. i, fig. 1. 



(=Jtiglans Debeyana (Heer), Lesquereux, 1868.) Ibid. 



denticTilata, Heer, 1883 a, p. 20, pi. Iv, fig. 5. 



Patoot Beds ; Greenland . 



elliptica, Newberry, 1870, p. 16; & 1878, pi. iii, figs. 1, 2. 



Dakota Group ; Nebraska, U.S.A. 

 . flabellum, Newberry, 1863, p. 524 ; & 1898, p. 44, pi. xx, fig. 4. 



Cretaceous ; Washington, U.S.A 



harkeriana,_Lesquereux, 1892, p. 44, pi. xlvi, fig. 4. 



Dakota Group ; Kansas, U.S.A, 



hyperborea, Heer, 1871, p. 1183; & 1874 a, p. 106, pi. xxvii. 



tg.Sd; pL xxix, figs. 6, 7 a, 8 a, 9 ; pi. xxx, fig. 2 b. 



Atane Beds ; Greenland. 



Kansaseana, Lesquereux, 1892, p. 42, pi. xvii, figs. 1-7. 



Dakota Group; Kansas, U.S.A. 



