346 REPORTS FROM THE SECTIONS. 
A reference to the tables will show you the small amount of 
insanity said to be due to venereal disease—0-4 per cent. in one and 
0-6 per cent. in the other. It has been to me a frequent wonder that 
more cases of insanity were not due to syphilis, and it is certainly 
curious that in 4,000 admissions primary syphilis was only seen 
in three cases. 
Sunstroke, as might be supposed, isa cause of insanity in a much 
greater degree in New South Wales than in England. It appears 
in the English table as causing 1:3 per cent., but it should be 
remembered that this includes numerous cases where the attack 
urred abroad ; soldiers sent from India to the wards for the 
Army Department at Grove House e, Bow ; sailors invalided from 
foreign stations, and admitted to the Hospital for the Insane at 
Yarmout s Bemdin isolated cases sent from hot countries under 
Five per cent. of the total number of cases are accredited to it, and 
I think with good reason. The effect of sun- or heat-stroke in the 
greater care in avoiding exposure, by insisting on a more rational 
head covering for the summer months tha a black stove-pipe hat, 
and by pointing out that after an attack of sunstroke alcohol is an 
—- or injury to the head is mentioned in both tables as a 
cause of insanity. In some cases it is a direct, but it is more often 
a predisposing, cause. It is in cases predisposed by injury that 
sunstroke, intemperance, agree and other causes ‘ 
fire which has been already laid. Where injury to the ae exists 
a caution as to the aaaamea of exciting causes may 0 t_infre- 
uently save from furth da ’ _ During t the year 1872 1 took 
: sa sige cae ieee marks 
may be ~ to put ¢ on record my opinion that sear prolonged 
beyond the ordinary time, or continued by delicate women even up 
