234 Diseases of the Nervous System. 
is slowly performed, pulse small, rapid, and feeble ; eye- 
lids separated, pupils contracted as a rule, but insensible 
to the stimulus of light. Sensation slowly returns, and 
the patient usually vomits ; the movements in progres- 
sion are deliberate and dreamy, the head is carried below 
the level of the spine, and the animal moves in an 
uncertain way reeling or falling against objects, having 
no power to avoid them. 
Recent Compression is indicated by the existence of 
fracture of the bones of the skull, the plates of which are 
depressed upon the brain substance. Insensibility is 
partial or complete according to the extent of the injury ; 
respiration slow, oppressed, and noisy; the pulse also 
slow, and probably intermittent; eyelids separated, 
pupils dilated and unaffected by light; the whole 
muscular system is relaxed; thus, the limbs are subject 
to no control, but lie as when the animal fell to the 
ground, and both urine and feces are voided without 
effort. 
Apoplexy from injury to the head is due to compres- 
sion by the bones of the cranium, and, as in the ordinary 
form, spontaneous recovery of consciousness may result 
from the brain accommodating itself to the situation ; 
but the recovery is attended with unequal power in pro- 
gression, the animal always moving to the right or left as 
the position of the injured parts will indicate. 
In these cases the animal gradually acquires conscious- 
ness, and with it the liability to Lxcephalitis, or an 
inflammatory condition’ of the coverings of the brain, 
otherwise known as Aeningitis, which is indicated by 
unusual excitement and probably convulsions, terminat- 
ing in insensibility, paralysis, and death, according to the 
extent to which the organs are involved. The animal 
should, therefore, be kept perfectly quiet throughout the 
apoplectic stages, frequent applications of cold water to 
the head being desirable. Blood-letting by leeches, or 
the usual method, may be adopted, and the dormant 
powers restored by small and frequent doses of Uguor 
ammonia. The injured cranium must also receive atten- 
tion by the attendant surgeon, appropriate after-treatment 
