53 
is capable of considerable movement when rolled over the ground 
by the wind or other agencies. A specimen of this plant at the 
conservatories now presents all stages of this interesting process. 
Meteorology for February.— The total precipitation recorded for 
the month was 5.45 inches, including snow-falls of 7 inches on 
the 6th, § inches on the 19th, and traces of snow on the 16th 
and 26th. Maximum temperatures were recorded of 46° on the 
ist, 44° on the 6th, 51° on the rith, 40° on the 17th, and 46° 
on the 27th; also minimum temperatures of 0.5° on the sth, 
11° on the 11th, 13° on the 23d, and 11° on the 25th. 
