tliemajiatics. 1 1 3 
47. In dropfical Cafes when the Blood is 
poor and watry the Patient complains of great 
Degrees of Cold, the Blood being very defec- 
tive in a fiifficient Quantity of red Globules to 
give it Warmth. Which yet at Intervals will 
be raifed to a feverifli Hear, for want of a 
, due Quantity of thin Serum, and by the Re- 
f turn of fome of the rancid cxcravafated Hu- 
mour into the Courfe of Circulation. 
48. Thus alfo when too much Blood has been 
evacuated, it is long before a Man recovers 
that Lofs, and he is too cool, not only for 
want of a fufficient Quantity of Blood to b^ 
impelled with Vigour thro’ the capillary Vef- 
fels, where, as we have before feen, it meet^ 
• with much Refiftance, but prindpally thro 
too great a Deficiency of red Globules, where- 
by to procure it a fufficient Degree of Warmth, 
as alfo thereby to keep the Serum diluted by 
their innumerable runnings to and fro : For if 
Quantity of Fluid alone would make good the 
Defed, there would be a fufficient Quantity 
of Fluids in the Arteries and Veins, fome time 
after each Meal ; but this alone will not com- 
penfate for the Lofs of Blood. Befides, when 
the Serum of the Blood is too thin, the Glo- 
bules are much apter to coalcfce, for the thin^ 
• I 
