HART ON THE GREEN NAPHTHA. 411 
parts and textures, particularly cleanses and softens the skins*, 
keeps the hoofs pliable, renders them tough, and less liable to 
split or crack, by preventing brittleness ; and when regularly 
applied to the wall, sole, and frog, not only corrects putrid dis¬ 
charges, and keeps the part soft, but in a much more natural 
state; and if applied also to the coronet, allays heat and irritation, 
the effects of shoeing and hard travelling. 
“ The rock oil will be found highly beneficial, and may be 
generally advantageously exhibited in the following affections 
and sequels of diseases. In nearly every description of cough, 
whether recent or chronic, particularly when arising in conse¬ 
quence of debility. In all cases of broken wind, thick wind, and 
roaring. At the close of all inflammatory diseases, w hich alfect 
i ~ . . j . 7 
the organs ol respiration alter the more active symptoms have 
been subdued or subsided; as strangles, colds*, distemper, in¬ 
flammation of the lungs. For promoting condition in horses, 
especially hunters; for improving their wind ; and, during the 
autumn, while a change is taking place in their coats, and cases 
wherein the animals are hide-bound, the rock oil w ill be found a 
very valuable medicine: it will also prove of great service in 
horses that have worms, provided it is regularly administered 
night and morning for a short time : the rock oil may also be em¬ 
ployed advantageously in all cases of glanders and farcy. Lock¬ 
jaw (tetanus), spasm, and convulsions in the horse, are affections 
wherein the rock oil has proved very beneficial in the island of Bar- 
badoes ; and it appears that a horse is very seldom lost there from 
an attack, notw ithstanding it is of common occurrence in that 
islandt; w hereas, in this country, horses so aflected rarely recover 
from its influence. 
64 In training horses for racing, the rock oil w ill be found ex¬ 
tremely valuable, from the remarkably good effect it has on all 
the organs of respiration, more particularly the mucous mem¬ 
brane of the air passages In the distemper, a frequent visitant 
in the racing stable, and a great annoyance to the training groom, 
the rock oil, judiciously exhibited, will prove of the utmost value. 
“In the island of Barbadoes, a horse is very frequently seen, es¬ 
pecially w hen intended for a long journey, w ith tow r or linen rag 
* “ When tli is medicine is given to post-horses labouring under colds nr 
distemper, the end is best effected by a moderately full dose, in a drench, 
with treacle and gruel; to be repeated every day, or every other day, as 
circumstances require, avoiding, at the same time, all depletive measures.” 
f“ Negro children are extremely liable to spasmodic or tetanic affections, 
and which is a principal cause of mortality amongst them. Dr. I lilliary has 
recommended the following embrocation as a remedy: rock oil, 3 oz. 
mixed with strong rum, 3 oz.” 
