196 Tenth Communication from Dr. Thornton. 
fecond month after that faft, that they a@tually commenced 
their journey to Egypt. In the mean time, baving pitched 
a tent under a great tree, where they were fheltered from the 
rays of the fun, he fed on polenta (as-eid’) and water with 
the camel-drivers. He had collected eight camels for the 
journey, but the beft of them was ftolen. while grazing ;~an- 
other died; and to fupply his place he was obliged to feek 
one on credit, for his whole exchangeable property at that 
time amounted only to eight piafires. 
The journey, once commenced, was continued with little 
remarkable except violent heat.. They returned by the only 
caravan route, Bir el Malah, Leghea, Sclime, Sheb, and El- 
aah, Their provifions were indifferent, and in fmall quan- 
tity. The camel-drivers regaled themfelyes with the fleth of 
thefe animals when they chanced to be difabled on the road. 
When they arrived at Beiris, they were met by a Cafhef, who 
* welcomed the Jelabs with an exhibition of fire-works. On 
this occafionsp is cuftomary to treat the chief merchants with 
coffee, and to prefent to each a ben./b of coarfe cloth, worth 
about a guinea; but he expects in return a flave from each, 
worth about ten guineas.» When Mr. Brown arrived at 
Affidt, he had been four months without eating animal food; 
and the hard living, heat, and fatigue, had brought on a di- 
arrhcea, by which he was much weakened; but before he left 
Affiat, where he paffed twenty days, it was much abated. 
After fome ftay in Egypt Mr. Brown embarked for Syria 
“on the 19th of January 1797 5 and having vifited Jerufalem, 
Damatcus, Aleppo, and: various other places, proceeded to 
Conftantinople ; from which he returned to England by 
Vienna, Drefden, Leipfic, and Hamburgh. He arrived! i in 
London on the 16th of September 1798, after an abfence 
of nearly feven years. 
XIV. Tenth Communication from Dr. THORNTON, Phy. 
feian to the General Difpenfary, &c. &c. &e. action to 
Pneumatic Medicine, 
One of the moft dreadful of human affli@ions is that 
where water opprefles the brain; and there are no hopes of 
\ any 
