REVIEWS. 
227 
as a counter-irritant in the form either of solution or ointment, which latter 
is usually made with one part of tartar emetic and four of lard, and is some- 
times added to ordinary blistering ointments to increase their activity.” 
These full extracts will amply lay open the character, 
veterinary at least, of the work we have now in hand. We 
think they will quite bear us out in the praise we have 
allotted to it. At the same time, we may observe, after 
having perused this latter or veterinary section of it, that it 
is one which by no means comprises the matters standing on 
record in close relation to it: there being several authorities, 
not Scotch, which Mr. Dun has not even named. A manifest 
leaning — as is natural, perhaps— has been made to home 
authority. We find no fault with this; only we should 
like to have seen a leettle more of the other side of the 
question. 
INSTRUMENTS EOR NEUROTOMY. 
Above are represented (exactly half their length) three 
instruments, invented by Mr. Gowing, veterinary surgeon, 
Camden Town, whose genius for mechanical invention is not 
unknown. They are intended for the neurotomist’s use, in 
the performance of an operation which, through ill report 
