265 
L A U 
L E A 
containing' 
— — ' The variation of the compafs, 
I 7 1*9 observations to, in, and from, the Eaft- 
Indies, Guinea, Weft Indies, and Mediterra- 
nean, with the latitudes and longitudes at the 
time of obferyation - - J) ought 
The latitude of Madrafs in the Eaft Indies, 
deduced from obfervations - Stephen* 
• — — r — Two meteorological journals kept at Nain in 
57 degree noith latitude, and at Okak in 57 
degrees 30 minutes north latitude,, both on the 
coaft of Labi adore - D< La Troht 
Laudanum. An account of two forts of Helmo tian 
laudanum, together with the way of F. M 
Van Helmont preparing his laudanum Boyle 
Laurel Water. A letter giving an account of two 
women being poifoned by the firnple diftilled 
water of laurel leaves ; and of feveral experi- 
ments upon dogs, by which it appears that 
this laurel water is the molt dangeious poifon 
hitherto known - - Madden 
•*— - ■ — Some experiments concerning the poifonous 
quality of the ftmple diftilled water from the 
lauro-cerafus or common laurel, made upon 
dogs at Toppingo Hall, Efiex ; and others made 
before the Royal Society in their repofitory 
Mortimer 
— Letter on the poifon of laurel water Rutty 
|^ay-Well. An extradl of a letter, giving an ac- 
count of an experiment made in the Bay of 
Bifcay of linking a bottle, clofe corked, under 
various depths of water, and of Lay-well, 
which ebbs and flows - - Oliver 
-* — Anfwer to feveral queries relating to Lay- Well 
Oliver 
Layers. How to multiply crab-docks, and propagate 
trees by layers - - Tong 
Leach. A defeription of the hirudinella marina, or 
Sea Leach ... Garcin 
Lead. Of a peculiar lead ore in Germany, and the 
ufe thereof - - Anon 
— A further account of fome rock plants grow- 
ing in the lead mines of Mendip Hills 
Beaumont 
Lead 
Dejaguliers 
Tranf. 
i Abridg. 
LXVI 18 
LX1X 182 
— 657 
'i 
IX i 47 
11 642- 
XXXVII 8s 
VI 2 374 
— 163 
XLI 63 
VIII 844 
XVII 908 
11 305 
— 9IO 
— 
O 
> 
— 752 
XXXVI 377 
VII 418 
I 10 
11 s7 6 
XIII 276 
— s°3 . 
XXXIII 345 
VI 325 
An 
