NO. 1172. THE FOSSIL BISON OF NORTH AMERICA— LUCAS. 771 



Plate LXXV. 

 Bison craaaicornis Richardson. 



Superior view of a specimen from the tundra back of Point Barrow, Alaska ; No. 

 13753, Mn.ienm of Archaeology and Paleontology, University of Pennsylvania. This 

 specimen is figured because it so nearly resembles the type of Richardson's Bison 

 crassicornis. 



Plate LXXVI. 



Bison crassicornis Richardson. 



Superior view of cranium from Eschscholtz Bay, Alaska, figured by Richardson on 

 Plate VII, fig. 3, Zoology of the Voyage of the Herald. No. 24589, Catalogue of the 



British Museum. 



Plate LXXVII. 



Bison alleni Marsh. 

 Anterior view of left-horn core from the type No. !(11, museum of Yale University. 



Plate LXXVIIl. 

 Bison alleni Marsh. 

 Superior view of specimen shown on Plate LXXVII. 



Plate LXXIX. 



Bison alleni Marsh. 



Posterior view of specimen deposited by C. W. Greene in the museum of Stanford 



University. 



Plate LXXX. 



Bison alleni Marsh. 

 Superior view of specimen shown on Plate LXXIX. 



Plate LXXXI. 

 Bison ferox Marsh. 



Superior and posterior ( ?) views of the type specimen No. 910, museum of Yule 

 University. 



Plate LXXXII. 



Bison latifrons (Harlan). 



Anterior and superior view of the horn cores in the collection of the Cincinnati 

 Society of Natural History. 



These have been carefully adjusted by Dr. Lindahl, as shown in this picture, with 

 the result that they have more of an upward curve than in other puldished views. 

 This has naturally slightly lessened the distance between the tips. 



Plate LXXXIII. 



Left hand, smaller figure, a right metacarpal from Alaska, ascribed to Bison cras- 

 sicornis, although possibly belonging to B. occidentalis; No. 1719, U.S.N.M. Right 

 hand, larger figure, a right metacarpal from Peace Creek, Florida, ascribed to Bison 

 latifrons; No. 1989, U.S.N.M. 



Plate LXXXIV. 



Oris scaphoeeras (Cope). 



Horn core from Nicaragua named Bos scaphoeeras by Cope. From the specimen 

 belonging to the School of Biology, University of Pennsylvania. 



