Vaccination. i'l 



inlrodnced \\\\\i advantage? -and what foreign plants might 

 be profitably cultivated in the more barren and waste lands 

 of this republic, with a view to the extraction of dyes r" 



The society repeat again, that according to the decree 

 passed in the anuiversarv sitting of 179S, th.ey will con- 

 sider at each anniversary sitting the papers that have been 

 communicated since the last meeting, which are not an- 

 swers to questions proposed by the society ; and that if 

 there be found among them one treating of some branch of 

 physics, or natural history, which merits a particular re- 

 ward, they will adjudge to that memoir, or, if there be 

 several of them, to the paper which shall appear most in- 

 teresting, a silver medal having the usual device of the 

 society, and in addition a gratification of ten ducats. 



The answers may be made in Dutch, French, Latin, or 

 German, but only in Roman characters : they must be 

 accompanied by a scaled letter containing the name and 

 address of the author, and sent to M. Van Marum, secre- 

 tary to the society. 



The prize destined for the memoir, which in the opinion 

 of the society shall contain the best answer to any one of 

 the questions above mentioned, is a gold medal, having the 

 usual device of the society, and on the border the name of 

 the author, with the year in which he received the prize, or 

 thirty ducats, at the option of the person to whom the me- 

 dal shall have been decreed. 



LXX. Inlelligeiice and Miscellaneous Articles, 



VACCINATIOX. 



Ijv a calcidation of ten years from .January 1st ]7!)1 to 

 January 1st 1801, it appears that tlie average number of 

 deaths at Vienna was 14,fi00, out of which were SSo chil- 

 dren of the small-pox. In 18U1, the period in which vac- 

 cination began to be introduced, out of 15,101 only Hil 

 children fell victims to the small-pox: in 1802, out of 

 14,.')22 only Gl : in 1803, the number out of 14,385 was 

 ouly 2r : and in 1804, out of 14,03 3, no more than 2. 



Al one of the late meetings of the original Vaccine Pock 

 Institution, Broad->treet, Golden-square, the subject of 

 the antivaccine publications was discussed ; and it was de- 

 termined, that wluilever unfortunate events might have 

 occurred, the practice at this institution was unifonnly as 

 I'avonrahle, with regard to the fact of security against the 

 small-pox, as could be expected from variolous inoculation. 

 A a 2 But 



