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, . . . . I 
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. 
Ft. In. 
Intermaxil- 
lary bone 
. awanting. 
1 1 
n 
10 
11 
lOi 
2 
7 
6 
Ft. In. 
1 1 
3 
3 
10 
1 2i 
n 
1^ 
The cranium No. 4 was the one first presented to the 
Museum of the Society, by the Eev. 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 o^c's skull and flints). 
Selkirk, July 14iA, 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 
