INSTRUMENTS USED IN EMBRYOTOMY. 
103 
cacious. Such speculations ought to be publicly repudiated. 
The public know very well that it is not in therapeutics that the 
means of curing glanders are found, and that they will only be 
able to arrest the ravages of this disease when the laws of health 
are comprehended and practised by all ; when our ameliorated 
breeds of horses are better adapted to the services that are re- 
quired of them ; and when we proportion the labours of the 
horse to the strength of his constitution. 
INSTRUMENTS USED IN EMBRYOTOMY. 
By Mr. A. S. Copeman, U.S., Walpole. 
Mr. W. A. Cartwright, of Whitchurch, in the August number 
of The Veterinarian in the last year, requested information 
upon that very important subject, “ Parturition and as no- 
thing has since appeared in your valuable journal, at least in the 
form of a communication devoted entirely to this subject, I am 
induced to send the enclosed diagrams, and a desultory descrip- 
tion of them. They represent a few instruments which I make 
use of in the operation of Embryotomy, &c. Their simplicity 
and general efficiency, when in the hands of a scientific and prac- 
tical operator, can only be known by giving them a fair trial. 
Fig. 1. 
Fig. 1 represents the middle finger with the instrument as in 
use between the first and second joints ; ( aa ) the finger, ( b ) the 
finger-nail, (c) a circular metallic ring or band, like a tailor’s 
thimble, except not being an entire ring, having a projecture of 
each side at the part to be placed inside the finger (see d ), into 
which the blade (e) is fixed by two small screws, so that blades 
or hooks of any form can be used ; ( f ) is a hole for a safety- 
string to be tied round the finger or wrist. 
Observe, that the ring or circular band should fit the operator’s 
