-vV 
• 1 • 
1 M D E X. 
s. 
Salt Alkalious from rotten Wood, n. ] 66 ; p. ml 
Ships , a new Method of rowing them, n.^ 6 % p. 239I 
Sirius, his Parallax miftaken by M. Cajjini , h. 364. p. r. 
Specifick Gravity of folid Bodies. A Caution to be ob- 
ferv’d in trying it, n. 369, p. 223. . . ; ’ . . 
Spine Cloven , w. 3 66. p. 98. , r . 
Stars fix d, the Infinity of their Sphere, n. ^64, p.zil 
Their Number, Order, and Light, ibid, p* 24.’ 
Swgtfi* made from the Juice of the Mapie-tree* n. 364, 
f y *7- . X . 
Suns Parallax, n. 3 66 , p. 114. 
$urg$ry. Two extraordinary Cafes, w. 365-, p. 79. 
V - T. * • ' f ''-V* ] 
Telefcope. Exadlnefs of the Method of obferving the 
Right Afcenfion and Declination, by crofs Hairs in 
: it, n. 366. p. ir 3. -v 
.Tumour the Loins of an Infant attended with a clo- 
ven Spine, n. ^ 66 , p. 98. -v- 1 * 
‘ - r: 'i v ’ ; ; . . • * ' : f 
V. 
Variation of the Needle in the Baltick Sea , n. 366, 
p. 110. In the South Sea 9 n. 368. /?. 173. 
Venereal Difeafie , Its Antiquify, w. 3 p. 47. 366, 
p. 108. . r.i v • ' . 
* W. 
JTiW rotten producing Alcalious Salt, n . 366. p, izz. 
IFW fpecifrcally heavier than Water, 369, p. zz$. 
FIN I s. 
LONDON: 
Printed for W. and J. hmys. Printers to the Royal 
Society ; at the JVefi-End of St Paul s-Cburcb-Tard. 
