IIL A Letter from Mr. John Friend to Dr. Sloanc, 
dated Oxon.]u\.26. concerning an Hydrocephalus. 
sir; 
THE encouragement you give to "Enquiries of this 
Nature, by communicating your ow^ri Obferva- 
tions, as well as recommending thofe of others, rpakes 
me trouble you with the following account : Having 
had the good luck to meet with an Hydrocei^hal/^^ which 
feem*d to have fomewhat extraordinary in it, I thought 
it might not be improper to acquaint you with 
it. 1 fliall only fet down the particulars ^ as they 
ofFer'd themfelves in Difledion, and leave it to ypur 
Judgment, whether they deferve to be taken notice 
of or no. 
The outward Dimenfions, taken before the Head 
wasopen'd. 
'.rr> clinches 
From the Eyebrows over the Crowa to the Nape 2 3 
Circumference from the /the Off.i Bregmatis 2$ 
Nape round. j the Ox Frontis 24 
From Ear to Ear, over the Crown 19 
From the Eyebrows to the Chin ^ 
From one extremity of the Eyebrows 4 and half, 
to the other. 
From the Chin to the coronal Suture 7 aiid half. 
Circumference from the Chin round the Crown, go 
From one extremity of the?round the Nofe 12 
Ear backward to the other ground the Nape 6 & half 
From Temple to Temple over the Fore-head 1 1 
Circumference of the Head round the Os 2 
Frontis & Occiptk ^ 
Cfr. 
