250 > Sequel to the Vestiges of Creation. 
idea of what it belonged to, but. my impression is that it was 
some of the Cetacea. But to this opinion the objection may be 
offered that in the Cetacea the petrous bone is not fixed by bony 
union, as in this case. To the opinion that it might have been 
a small elephant, the objection occurred to me that in them the 
cranial cavity is as broad as it is long ; and then again the cellular 
structure of the bone does not extend over the whole cranium as 
in the elephant, but is mainly limited to the posterior part above 
the back part of the cranial cavity. 95 
Another curious specimen is abone that appears to be part of a 
jaw bone, with small parts of the two rami. That is, it is the 
part in which the two bones met. It is concave on what I will 
call the inner side, and has a smooth, concave groove above. The 
front or chin portion is much broken, but contains two holes 
which appear to have been sockets for tusks. ‘The fragment is 
about seven inches in each of its dimensions. The two sockets 
or holes are one inch and three fourths in diamieter, perfectly 
straight, having the appearance of being drilled out, and about — 
four inches deep; though they were much deeper before the 
other parts had been broken off. This I cannot refer to any 
known fossil species, unless it may have belonged to Dinothe- 
rium, or some such genus. ‘The bone is light and friable. 
New Orleans, La., January 14, 1846. 
Arr. XIII.—Sequel to the Vestiges of Creation.* 
In the few remarks upon the Vestiges which follow, we do not 
attempt to pursue the author through all the windings into which 
he has been led by the use of “the function of hypothesis.” 
The work has been so generally read, and so frequently reviewed 
in journals of all kinds, and with arguments so various, that we 
throw out only a few thoughts; and this, not in the way of de- 
nunciation, a style which has unworthily characterized some re 
views, nor with the fear of truth that shows itself in many (not 
all) theological periodicals. ‘The mind of man was put in action 
by the same being that set the universe in motion, and sooner OF 
* Explanations : Sequel to the Vestiges of Creation, by the Author of the same 
Amer edition. Wiley & Putnam, 1846. c 
t Sequel to the Vestiges, p. 127. 
