Royal Society. 405 
which will in a fliort time pay the firft coft of what is fpent at 
home, which is one of the beft ways to make an advantage of any 
foreign trade : Bcfides, coffee greatly increafes the trade of tobacco, 
pipes, earthen diflies, tin-wares, news-papers, coals, candles, 
ibgar, tea, chocolate, ^c. Coffee-houfes makes all forts of peo- 
ple Ibciable, they improve arts and merchandize and all other 
knowledge very much. 
^n Hydrocephalus 5 by Mr. John Friend. Phil TranC 
N° 25(^. p. 318. 
TH E externa] dimenfions of this head, before it was opened, 
were as follow 5 viz. from the eye-brows over the crown 
to the nape 23 inches^ the circumference from the nape round the 
OJJa Sregmatis 26 , but round the Os Fromis 245 from ear to 
ear over the crown 19 5 from the eye-brows to the chin 45 from 
one extremity of the eye-brows to the other 47 • from the chin to 
the coronal future 775 the circumference from the chin round the 
crown 30 j from one extremity of the ear backwards to the other 
round the nofe 12, and round the nape 6\j from temple to tem- 
ple over the forehead 11; the circumference of the head round 
the Os Fromis and Occipitis 295 the circumference of the neck 
5) f ^ the length of the neck 2, the length of the body 535 the 
circumference of the T'horaiz 185 the length of the foot 41-5 
from the end of the middle finger to the Acromion 1 2 1 j the 
circumference of the arm 5 5 of the calf 51-3 and of the thigh 
eight inches. 
After the integuments were removed, the top of the Cranium 
appeared loft and membranous 5 the extent of the membrane 
from one temple to the other was 8 inches 5 between the parietal 
bones 5!; from the Os Front is to the Os Occipitis iz^ in the 
middle, jufl: upon the crown, lay a bone (in Ibme places a little 
cartilaginous) 5 inches long and i broad, joined to the membranes 
on every fide of the fame thickncls with the reft of the upper 
part of the Crarrium, that was bony, which was extremely thin 
every where, and the Lamin<e lay fo clofe, that in many places 
no tbiploe could be dilcerned^ the membrane was as thin as the 
Pericranium^ which yet was eafily divided from it 5 none of the 
futures were entirely clofed^ thofe of the upper jaw were very 
loole ; in the temporal and lambdoidal futures there was a vaft 
number of the ^riqiietra IVormiana^ all which had fo many di- 
ftiii£i: futures : Upon piercing the 'Dura Afater, a great quan- 
tity of water gulhed out, which lay in the ventricles of the 
brain, as well as between the 'Dura Mater and the ^Pia ; the 
liquor 
