Diseases of the Nervous System. 247 
Youatt has known instances in whieh the first symptoms. 
have only become manifest after from five to seven months, 
and he never knew of a case occurring before seventeen 
days intervening. Other authorities have related cases in 
which the disease was developed within from three to ten: 
days after contamination. Of nine cases which Peuch could 
‘rely upon, the symptoms appeared after the bite, in each, at 
an interval of 95, 88, 35, 26, 24, 22, 18, 15, and 10 days, 
respectively.” 
“In 1863, Renault reported that of 68 dogs inoculated 
experimentally or bitten, the malady was developed in : 
1 from the 5th to the roth day. | 7 from the 45th to the 5oth day- 
” roth ” 5th ” 2 ” soth ” 55th ” 
» «5th ,, 20th ,, ” 55th ,, 6oth ,, 
» 2oth , 25th ,, 5) 6oth ,, 65th ,, 
25th ” 3oth ” 65th ” joth ” 
» 30th » 35th ,, ” joth 4, 75th 4 
» 35th ,, goth ,, ” 8oth ,, goth ,, 
» 40th ,, 45th ,, ‘3 tooth ,, 118th ,, 
“In Saint Cyr’s 87 cases of confirmed rabies in 1865, there 
wereonly 26 thedate of whose inoculation could be positively 
ascertained. In these the latent period was : 
wmrnowunmn AL 
aN a PD 
CASES, DAYS. CASES. DAYS. 
I ss « 6 Teo fe) ee we 330 
I _ 2 » 8 I a’. aed, ea (830! 
3 eo oe Se) I 1 ow (3 48 
2 ee ww 24 2 - © 6» 450 
I eo oO 2 . 2 «= 60 
I s «© « 38 I < « e 02 
2 ioe Se, BZ I 6s « ~~ 86 
I ._ 8 2 33 2 . go to 100 
I * * 35 2 . 105 to 115 
“Bouley has known instances in which the latent period 
was twelve days and seven months, though they were rare ; 
it was usually from six to twelve weeks. 
“ According to Haubner, in 200 cases the appearance of 
the disease within two months was 83 per cent.; three 
months, 16 per cent.; four months, 1 per cent. He 
