1 478 ] 
■the Cincer jifelf, which is formed out of - the Clands, 
Lyraphatick and Excretory Veflels. Thefe by fome 
accident or other becoming impervious, and ceafing to 
filtrate and convey their Lic[ucrs, by degrees degenerate 
into a compact horny maft, capable of Germinating 
snd- Ulceration, .. 
Some, obferving the good habit of Body not to be 
prejudiced by Cancers arifing, and atcer they have been 
removed the party has enjoyed a perfeft health, have 
thought the part only fuffers. Others, feeing that not- 
ivithttanding they have been apparently conlumed and 
extirpated, tiiey hav^ broke out with greater violence,^ 
have con^:luded thisefFed to proceed from fome corro- 
five Acid fnll remaining behmd, and no good to be 
hoped for till this malignant Ferment be entirely ex- 
tjnguiQied. This latter opinion does not agree with 
3^. Mr Geudrons Theory. It fuch an Acid ^have an^exift- 
ence, where is it lodged ? ncM: in the^ Blood, for Can- 
cers often arife fuddenly from forac exteriour hurt, 
" i>iow or comprefijon, often happen to perfons in .per- 
k^i health 5 to women ^ with. a regular evacuation of 
their Menfes. - Not in the: part, from an effufion of 
Lympha there, for thefe fort of Tumours are eafily re- 
foived, and except fometimes in the Breaft, rarely or 
never become' Cancerous. A thoufand Obfervarions 
(hew Cancers in the Skin,- on' the -Nafe; d^^:. havefol- 
lo^ ed upon cutting off a Wart^ : : Thefe are often with- 
oQt pain and- iniiamadOfPj^^ iaadr clie humour will not 
change Turnfole. Is it not more likely thefe proceed 
from fome Miliary Gland of the Skin, torn from its 
feat by the divulfion of the Tendinous Fibres which 
conntacdit, xhan from any ftnaginary Acid. 
^5 As for tlie Growth of Carciftoinatons Tumours, our 
Author thinks, being cottipofed* of the Extremities of 
Tendinous Fibres^ their Vegetanon may be explained 
by the conveying a Nutritious Joi^e, in the-fame man- 
ner 
