XXVII. Sweet, not sweet ; sweet in power, like
water, sweet to the taste, like honey. Signs of
either are sores, eyes and tastings, which can also
distinguish degrees. Sweet to sight, in colours and
in combinations generally, sweet to a greater or
XXVIII. Porousness of a body for transpiration
healthy for those from whom more is taken ; denseness
of body for transpiration unhealthy for those
from whom less is taken. Those who transpire
freely are weaker, healthier, and recover easily ;
those who transpire hardly are stronger before they
are sick, but on falling sick they make difficult
recovery. These for both whole and part.
XXIX. The lungs draw a nourishment which is
the opposite of that of the body, all other parts draw
XXX. Beginning of nutriment of breath, nostrils,
mouth, throat, lungs, and the transpiratory system
generally. Beginning of nutriment, both wet and
dry, mouth, oesophagus, stomach. The more ancient
nutriment, through the epigastrium, where the
XXXI. Root of veins, liver ; root of arteries, heart.
Out of these travel to all parts blood and breath, and
heat passes through them.