32 PHILOSOPHICAL TRANSACTIONS. [aNNO 1684. 



of the tables and writings of many of the most noted observers, of different 

 ages, are omitted, as of little or no use now, in the present improved state of 

 the astronomical science and observations. 



y/ra Abstract of a Letter from Liege, concerning a strange Preservation of 4 

 Men in a Mine 24 Days without any Food, April Q, l684. N° 158, p. 577. 



This accident happened by a large collection of water bursting into the works, 

 which filled all the lower parts, and prevented these men, standing on an as- 

 cent, from escaping, till after 1A days ; when the water had been drawn off 

 again, the men were found living, having had nothing to take all that time 

 except water. 



Extract of a Letter of Mr. Heathcot to Mr. Flamsteed from Caho Corso Castle 

 on the Coast of Guinea, of Dec. 14, l683, concerning the Tide on that Coast, 

 Fariation of the Needle, &c. N° 158, p. 578. 



The sea runs here along the shore continually to the eastward, at a very great 

 rate, except at full and change, for then it runs to westward, or at least slackens 

 very much. November 24th, I took the time of the high-water at the castle, 

 as near as I could, at 3h. 30m. p.m. it flowed about 6 feet. The magnetical 

 variation here is 3° 49' from the north to the westward. 



Martini Lister, M.D. e S.R. Lond. de Fontilms Medicatis Anglice Exercitatio 

 altera. Lond. in 8vo. l684. N° 158, p. 579. 



A continuation of a work formerly noticed. This second part abounds in 

 physiological and pathological speculations, little worth the attention of medical 

 men of the present days. 



Nouvelle Maniere de fortifier les Places, par M. Blondel, &c. a la Haye, l684. 



N° 158, p. 586. 



This author having considered the art of fortification as it is at present prac- 

 tised, found it not to have received improvements proportionable to the art of 

 attacking. This appeared by the success of the king of France, who usually 

 made himself master of those towns in 10 days, which formerly were held ca- 

 pable of resisting as many months. There is therefore here laid down a new 

 way of fortification, which may lake away from the besiegers the advantages 

 they draw from their number of men and cannon, and give the besieged room 

 for making use of more cannon, and supplying the want of men. This is prin- 



o 



