of  Animals  and  Vegetables.  47 
The  old  hole  in  the  walnut  tree  being  full  of  fap  was 
frozen  up,  but  a frefh  one  was  made. 
2d. 
Atmofphere, 
a 7 deg.  i 
Names. 
Height. 
Diameter. 
Heat. 
Ft.  In. 
In. 
Spruce  fir, 
4 
32 
Scotch  fir, 
i-St 
It 
28 
Silver  fir, 
3. IX 
30 
Weymouth  fir,  4.6 
3° 
Yew, 
3-7 
3 
30 
Holly, 
2.6 
2 
30 
Plumb  tree, 
4.6 
3 
3i| 
Dead  cedar, 
3-ii 
3 
29 
Ground  under  fnow,  3 deep  — — 
34 
3d. 
JUmofphere. 
Names. 
Heat. 
Spruce  fir, 
2 3° 
Scotch  fir, 
23 
Silver  fir, 
23 
24  deg.  < 
' Weymouth  fir, 
23 
Yew, 
22 
Holly, 
23 
Dead  cedar, 
24 
The  fame  trees  we  mentioned  when  the  thermometer 
was  at  2 90,  in  new  holes  made  at  the  fame  height,  and 
left  fome  time  pegged  up  till  the  heat  produced  by  the 
^gimlet  was  gone  off;  but  in  which,  as  they  were  moift 
I from 
