FROM THE PLEISTOCENE OF THE PLAINS. 
4 ') 7 
This species is dedicated to Mr. Charles Cramp, of Philadelphia, who is as well 
known to the scientific community for his benefirctions to our institutions of re- 
search and education, as he is to the general public as the most extensive builder of 
ships in the United States. 
The dimensions of this species are as follows : 
Measurements. 
MM. 
180 
140 
100 
300 
720 
150 
95 
130 
90 
Vertical diameter of cranium at posterior end of diastema ; 
"Width of palate at diastema; 
AVidth of nasal bones at posterior border of nares ; 
Probable width at preorbital border ; 
liength of horn-core on outside curve ; 
Anteroposterior diameters 1 
ir 1 r i fat base; 
' Ut middle; 
Professor Leidy regarded Bos crassicornis (Richardson) from Alaska, as 
identical with his previously named B. antiqmis, a conclusion confirmed by Dr. J. 
A Allen. Leidy subsequently regarded this B. antiqmis as identical with B. 
latifrons of Harlan. AMith this identification Dr. Allen does not agree, but he holds 
that B. antiqmis is a large race of B. americanus. The material in the pos- 
.session of tlie Academy entirely coiilims Dr. Allen’s views. None o. these forms 
possess charactci-a of the B. cmmpimm. Those who i-egari the group Bison a. 
a distinct genus, will call this species Bison crampianus. 
Bos .SCAPHOCEEAS HR. uov. sp. Leidy, Proc. Acad. Nat. 8ci., PhUa., 1886, p. 275. 
A horn-core of the left side represents this species. A smaller core which ac- 
conipiies it. and which was found with it, presents the 
spicuous degree, and may probably have be onged to a con ^ | 
Horn a formation in the n-thern i^rt of Nmart^a to winch 
made l.y Leidy Hydrochoerus and Megathernm. 
of Equus, Bos.Elephas 
As Leidy observes, this locality ^ ^ southern station on the 
don previously known. I n ou t . previously 
American continent for B/cp/uis . , fauna is interesting as furnishing 
found south of the valley or r exico. Pampeanof South Aintwica and 
a geogi’i iphical and faiinistic are here found with Toxo- 
the Equus bed of North America, s Elethas is not distinguishable from 
don .m,d Meiothenu,n. The mngle l» * of n,;,, p,„ted form 
that oi E.primigenius americanus, ^ America rather than the heavy-plated 
which lived in the eastern part ol i>oi ’ ^ of 
tvpe which prevailed in Texas or Mexico. 
