( 41 ) Numb. zx^. 
PHILOSOPHICAL 
TRANSACTIONS. 
For the Months of March, April, auJMay. 169$. 
The CONTENTS. 
1. A ^ Account of the Burnifig Mountain in the IJle of Ternata, 
X%. taken ufon View thereof^ as it was fent to the Right Wor^ 
]fc;;>/«/ Nicholas Witzen, Burgermafier of Amfterdam* II, A 
Relation of the Mifchief befaUen the Inhabitants of the Ifle of So- 
rea, near the Molucco's, by Subterraneous Fire : Both communis 
cated by the /aid Afr. Witzen to Dr. Martin Lifter, Fellow of 
the Royal Society: 111. Specimina qua^dam iiiuftrk Dodritix 
Fluxionum, five exempla quibus Methodi iflius Ufus & pr^- 
ftantia in (blvendis Problematis Geometricis elucidatur, ex 
Epiftola D. Ab. de Moivre defumpta. IV. A mojt compendiom 
and facile Method for ConfiruBing the Logarithms, exm^lified 
and demonftrated from the Nature of NumberSyWithout any regard 
to the Bjperbola; with a ^eedy Method for finding the Number 
from f;^^ Logarithm ^iww ; ^/E.Hailey. V. A fropofition of 
General UJe in the Art 0/ Gunnery, jljewiiig the Rule of Laying a 
Mortar to pafi, in order to firike any Obje5l abo've or below the Ho- 
rizon. By E. Halley. VL An Account of BOOKS, i. The 
Mathematical Works of Dr, John Waliis, SaviUan Frofejfor of 
Geometry in the Univerfity of Oxford, and Fellow of the Royal 
Society. 2, Tra<5tatus de Salis Cathartici armrim aquis Ebejha- 
menfibm & hujafmodi aliis conr enti Natura 6c uiu, Aut.N^emia 
Grew^ M D. Utriuf^ue Reg, Soc, Soc* 
H 
L At$ 
