90 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



1582. Acer lesquereuxii Knowlton. Type. 



Green River (Tert. ). Uinta County, formerly but wrongly 

 called Randolph County, Wyoming. 



Knowlton, Bull. No. 152, U. S. Geol. Surv., 1898, p. 26. 



See Acer indivisum L-esquereux. 



8498. Acer medianum Knowlton. Types. 



8499. Mascall beds, Miocene (Tert.). Van Horn's Ranch, and 



twelve miles west of Mt. Vernon, Grant County, Oregon. 



Knowlton, Bull. No. 204, U. S. Geol. Surv., 1902, p. 76, pi. 14, figs. 



4, 5- 



8500. Acer minor Knowlton. Types. 



8501. Mascall beds, Miocene (Tert.). White Hill, east of Van 



Horn's Ranch, Grant County, Oregon. 



Knowlton, Bull. No. 204, U. S. Geol. Surv., 1902, p. 76, pi. 14, figs. 

 2, 3- 

 2417. Acer minor Knowlton. Type. 



Mascall beds, Miocene (Tert.). Van Horn's Ranch, John 

 Day Valley, Oregon. 



Knowlton, Bull. No. 204, U. S. Geol Surv., 1902, p. 76. 



See Acer sp. (fruits of). 



8494 Acer oregonianum Knowlton. Types, 



to Mascall beds, Miocene (Tert. ). Van Horn's Ranch, John 



8497. Day Valley, Grant County, Oregon. 



Knowlton, Bull. No. 204, U. S. Geol. Surv., 1902, p. 75, pi. 13, 

 figs. 5-8. 



33644. Acer oregonianum Knowlton. Types. 



33645. Mascall beds, Miocene (Tert.). Van Horn's Ranch, John 

 (2417) Da}^ Valley, Oregon. 



Knowlton, Bull. No. 204, U. S. Geol. Surv., 1902, p. 75. 

 See Acer sp. (fruits of). 



30086. Acer trilobatum var. Knowlton. Illustrated specimen. 



Eocene (Tert.). Kukak Bay, Alaska. 



Knowlton, Harriman Alaska Exped., IV, 1904, p. 155, pi. 29, fig. 2. 



384. Acer trilobatum productum ? (Al. Braun) L,esquereux. 



385. Illustrated specimens. 

 L,aramie ? (Cret.). Carbon, Wyoming. 



Lesquereux, Rept. U. S. Geol. Surv. Terr., VII, Pt. II, 1878, p. 261, 

 pi. 48, figs. 2, 3a. 



5397. Acer trilobatum productum (Al. Braun) Heer 



Illustrated specimen. 

 Eocene (Tert.). Herendeen Bay, Alaska. 



Knowlton, Proc. U. S. Nat. Mus., XVII, 1894, p. 227, pi. 9, fig. 3. 



8310. Acer trilobatum productum ? (Al. Braun) Heer. 



Illustrated specimen. 

 Payette formation (Miocene). Two miles southeast of 

 Marsh post-office, Boise City, Idaho. 



Knowlton, Eighteenth Ann. Rept. U. S. Geol. Surv., Pt. Ill, 1898, 

 p. 733, pi. 102, fig. 3. 



