112 Proceedings of the Royal Physical Society. 



Length of skull from supra occi 

 pital ridge to front of inter 

 maxillary bones, 



Length from do. to upper part of ) 

 nasal bones, . . . j 



Length from middle of supra- \ 

 occipital ridge to upper part V 

 of orbit, . . . , J 



Length of orbit, 



Breadth of do. 



Breadth of skull between roots 



of horn-cores, . 

 Breadth across middle of orbits, 

 Horn -cores — circumference of at 



base, .... 

 Length, following outer curvature, 

 Span of horn-cores from tip to tip, 

 Across greatest width of horn-cores, 

 Length of alveolar sockets for 



teeth, . . 

 Breadth across occipital condyles, 



2, 



Ft. In. 



r In term axil- 

 's lary bone 

 I awanting. 



1 1 



1 0 



3 



2-3. 



10 



11 



5 

 10i 

 2 



Ft. In. 



1 1 



3 

 3 



10 



The cranium No. 4 was the one first presented to the 

 Museum of the Society, by the Rev. Thomas Robertson, 

 minister of Selkirk, in 1781. The donation was made through 

 a Mr Cairncross, and the following letter accompanying it is 

 preserved in the library of the Society : — 



To Mr George Cairncross, Writer, Parliament Close, 

 Edinburgh (with an ooc's skull and flints). 



Selkirk, July 14:th, 1781. 

 " Dear Sir — Among other curiosities dug out of a marie 

 moss at Whitmuirhall in this parish, the skull and flints of 

 an ox which I have sent you attracted my attention. You, I 

 know, are fond of anything that tends to throw light upon the 

 ancient state of this country, and therefore I used the freedom 

 to transmit this, not merely on account of its uncommon size, 

 but as a proof of the large breed of cattle with which this 

 country abounded in the last century. I found five skulls, 

 evidently larger, but not so entire. I found also several small 

 axes, resembling those used by coppersmiths, but did not 



