100 General Notcs. [ January, 
writes upon the myloënteric canal of lizards, confirming 
existence of a communication between the nerve canal and int 
tinal tract. The cells of the wall of the former pass directly i 
tion is obliterated in more advanced ones. i _ Lieb 
kuhn treats of metaplastic and neoplastic ossification, as exhibi 
in the limb-bones of Chelonia midas. 
PSYCHOLOGY. 
TEACHING BRUTES THE USE OF LETTERS.—The purpose of 
article is to set forth briefly some thoughts upon a subject whet 
appears to'me to have been unaccountably neglected, considering 
the promise it presents of remarkable, and possibly practical, 
results. ! 
It is manifest to all who are conversant with the subject, that m 
stinct cooperates with reason in man to a far greater degree t 
was heretofore supposed, and that in early infancy it domina 
for it is impossible to deny the absolute automatism of the act 
the child in obtaining nourishment in the natural manner. 
Nor do I believe that the thoughtful and observing can @ 
that the brutes are capable of reasoning; that is, the appre! 
sion of a logical sequence. 
Candor, therefore, compels an admission of the truth that, 
difference between the mind of man and that of brutes is sim 
one of degree. It is also admitted that there is no reas 
believe that the senses of their higher orders differ mat 
from those of man, save in some superadded refinements, t 
ture of which we can only conjecture. 
Any investigation into the scope of their mental action,” 
ever, is emb sed by the fact that the most intelligent and & 
able are restricted in their power of communicating their ideas 
difficulties, yet I have never heard of it having been 
i ean. 
a scientific spirit. I have seen some surprising feats of 
confederate, by some trick indicated to the animal the € 
YB Wak or Tek eae i fea ss cs y ai 
_ about two years of age. ie who lost sight and hearing y dis 
