in thole that are not, and rather upon the Convex- lid©, than 
the other 5 and more in frelh one$ 3 than in the ftale. 
it. That having fomewhat fcaled the Convex-fide of the 
Jbeil, and difcover'd the Communication of the holes, where- 
in the often-mention’d vifcous moyfture, that has any form of 
infedfo, is found ; he fmeit a lcent,that was like the water of a 
fqueefed Oyfter. 1 
1 3. That the Worms give no light, when irritated, but if 
they do, the light lafts but a very little time,whereas that which 
appears in thofe, that were not angred before, continues a 
great while j the Obferver affirming to have kept of it above 
2 hours. 
So far the Journal des Seavans 5 which intimates withal, that 
if the Obferver s had had better Micro[copes> they could have bet- 
ter examin'd this matter. 
But lince the curious here in England are fo well furnifh 
with good ones, *cis hoped, that they will employ fome of 
them for further and more minute Obfervations of thefe 
Worms 3 it being a matter, which, joyned with other Obfer- 
vations, already made by fome excellent perfons here, (efpe- 
cially Mr .Boyle) upon this fubjedf of Light , may prove very 
Juciferoiis to the dodhine of it, fo much yet in the dark. 
Some Obfervations 
Of the Efetts of Touch and^n&\on. 
The Operations and Effedfo of 'Touch and fri&ion having 
Been lately much taken notice off, and being looktupon by 
fome, .as a great Medical Branch , for the coring of many di- 
feafes and infirmities ; it will perhaps not beunfeafonabie to 
mention (here alfoj fome Obfervations relating thereunto 3 
which may give an occalion to others, to confider this fubjedfc 
more, than has been done heretofore, and to make fur- 
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