248 M E M O I R S 2/ /y6^ 
der, and jflrew it well, and roll it up and down into a towel, 
then throw iome Roman vitriol into a bafon of water, which will 
foon difTolvej and after the party has wafhed therein, as foon as 
he wipes with the towel, all the fkin becomes black 5 and for 
Ibme cia)s wafhing it with foap, it will come off; To renew the 
luftre of cr\ftal, boil it in fair water for a quarter of an hour, 
and to a proportion of fix quarts of water add one quart of 
brandy-wine, llifFering the fame to boil half an hour more, then 
take it out, and with the fame liquor rub it all over throughout 
with a brufh, and then dry it with a clean warm napkin, rub- 
bing it all over; and it will regain its former luftre: To make 
the hair grow, take the roots of burdock of the largcfl fize in 
^erembery boil them in French white-wine 8 fingers high, till 
half IS confumed, wafh the head therewith warm at night, and 
It makes the hair come out, in cafe the roots be good 3 another, 
make a lee of the afhes of vines, and wafh the head there- 
with warm : To prevent the ihedding of the hair, put vine- 
afhes into red French wine, and then filtre it, and with that 
liquor warm wafh the head 3 note, the powder of hermodadliles, 
uled for the hair, as common powder, has the lame effect : To 
make a fire blue, make matches of ropes not over twilled, melt 
lulphur in a pot over a charcoal fire, fteep the matches into it 
three or four times flt plealure, trace their figure on boards, then 
nail them thereon according to the traces of the lines, and make 
them a little rough by beating on them with a hammer, that the 
following ingredients may the better Hick to them 5 after this, 
take flrong ^qua Vitce^ and mix with it gunpowder pulverized, 
to make it of a confidence, and with this rub the matches with a 
pencil, and Iprinkle on them of the powder, then let the whole 
dry, and it will be fit for ule. 
'fhc Generation of Eels 5 by Mr, Dale. Phil. Tranf. N" 238. 
p. 9Z' 
TH A T the generation of any animal cannot be equivocal or 
ipontaneous, but from parent animals, has been fo well 
made out by many undeniable arguments, and confirmed by the 
Icveral experiments of thole celebrated Virtuofi, Malpi^hU Redi^ 
Sivamvjerdaw, Lee'-Jccriboeck, Mr. Ray, zv\A others, that there 
is no room to doubt but eels have the fame original • but it is 
much difputcd amongft naturalills, whether eels have diftinft 
fexes, or whether they are hermaphrodite : Mr., jilkn affirms 
the parts diflmguiflaing the fex to be difcoverable, but Mr. Lee- 
^venhoeck 
