166 



PR0CEEDT:?fOS OF THE NATIONAL MUSEUM. 



(as well as materials now called B. occidentalis) as synonyms of B. 

 priscus, the extinct bison of Europe, He figured a skull, lacking 

 the part in front of the orbits and bearing the horn-cores, which had 

 been found at Ilford, Essex, England. There is a cast of this m the 

 United States National Museum, and from this photographs have 

 been made and reproduced (pi. 9, figs. 1, 2) for comparison with the 



m^^ 



Fig. 2.— Bison antiquus. Skull at Earlham College. Frontal vte-w. 



figures here given of other species of extinct bisons. Mr. Lydekker 

 regards this skull as that of a very large bull.^ It appears to be the 

 same specimen that Richard Owen ^ thought might be the skull of a 

 female. Attention may likewise be called to another specimen 

 which was dug up at Woolwich, England, and of which Owen pub- 

 lished a figure on page 49 of the work just cited. The horn-cores have 



(k 



"^'^-^ 



Fig. 3.— Bison antiquus. Skui 



V 



:e. View from the rear. 



an appearance quite different from that of the specimen found at 

 Ilford, being much slenderer and apparently not so much curved. 

 From the cast of the Ilford specimen the present writer has obtained 

 the following results. For comparison the corresponding measure- 

 ments are taken from the specimen of B. antiquus which is at Earl- 

 ham College and of the California skull which has been called by 

 Rhoads B. calif ornicus. 



' Cat. Foss. Mamm., pt. 2., p. 24. 



» Brit. Foss. Mammals and Birds, p. 494. 



