C 362 3 ' 
loins. The os facrum , as well as the os pubis , im- 
perfectly offified. All its joints are very rigid and 
Iliff. It has no anus , but paffes off its water in the 
natural way. Its jlernum is very impeded ; and it 
has no clavicula. It feems infenfible of pain, not 
removing its arms or legs, if laid in an uneafy 
pofture. 
LXI. An Account of the Phenomena of Elec- 
tricity in vacuo, with fome Obfervations 
thereupon , by Mr. Wm. Watfon, F. R. S. 
To the Royal Society. 
• Gentlemen, 
Read Feb. 2 o,"|tn a paper I had the honour to lay be- 
X fo^ you in January 174.7, which was 
the laft I communicated to you of my own upon the 
fubjedof eledricity, and whichhas been fince publish'd 
in the Philo f. Tranf, *, I acquainted you, that I intended 
upon fome future occalion to lay before you a feries of 
experiments in eledricity made in vacuo ; from a 
companion of which with thofe already made in 
open air it did appear, that our atmolphere, when 
dry, was the agent, by which, with the affillance of 
other eledrics per J'e , we were enabled to accumulate 
eledricity in and upon non-eledrics ; that is, to com- 
municate to them a greater quantity of eledricity 
than thefe bodies naturally have. That, upon the 
removal 
* Numb. 485, p. J20, 
