On the Animal Calculus. 24,7 
by their corrofive Quality twitch and irri- 
cate the fcnfible Membranes of the Stomach 
and Bowels, and thus hinder and interrupt 
“ the Digeftion of our Food. Nay befides 
all this, when they come into the Blood, k 
‘‘ is no wonder if the fmall Canals of infenfi- 
“ ble Perfpiration are frequently (top'd and 
obftrufted by 'em ; for it is upon this Score 
that San Storm teaches us, heavy Water 
converts the Matter of Tranfpiration into an 
‘‘ Ichor, which being retained^ induces a Ca- 
chexy. Medicin. Static. Se£t. 2. Aphor. 6. 
25. What Mifehiefs will infue hereupon 
every ones fees ; not only Pains in the Limbs, 
‘‘ livid Spots in the Surface of the Body, Ul- 
cers, c^r. from the Acrimony of the tindif- 
“ charged Moifture 5 but many befides of thofe 
perplexing Symptoms which go by the Name 
of Hyfierical and Hypochondriacal may take 
their Rife from the fame Source. 
24. ‘‘ If thefe Inconveniencies are often- 
‘‘ times not felt, at leaft not till towards the 
declining Age, in (trong and a£tive Habits 
“ of Body ; yet I am, from very good Expe- 
rience, afiured, that they deferve Coidide- 
ration in weaker Conditudons, and a fe- 
dentary Litjp, efpecially of the more tender 
Sex. R 4 25. “ 1 
