Vegetable Staticks. 5-9 
By placing the ball of one of thefe Ther- 
mometers in my bofom, and under an arm- 
pit, I found the external heat of the body 
54 of thefe degrees. The heat of milk, as 
it comes from the Cow, is equal to 5 5 de- 
grees, which is nearly the fame with that 
for hatching of eggs. The heat of urine 
58 degrees. The common temperate point 
in Thermometers is about 1 8 degrees. 
The hotted Sun-dune in the year 1727 
raifed the fpirit in the Thermometer expofed 
to it, 8 8 degrees 5 a heat 24 degrees greater 
than that of the blood of animals: And 
tho* plants endure this and a confiderably 
greater heat within the tropicks, for fome 
hours each day, yet the then hanging of the 
leaves of many of them fhews that they 
could not long fubfifr under it, were they 
not frequently refrefhed by the fucceeding 
evening and night. 
The common noon-tide heat in the Sun 
in July is about 50 degrees: The heat of 
the air in the fhade in July is at a medium 
3 8 degrees. The May and June heat is from 
17 to 30 degrees 3 the mod genial heat for 
the generality of plants, in which they flou- 
rifh mod, and make the greated progrefs in 
their growth. The autumnal and vernal 
heat 
