200 Gencral Notes. [ Febru 
on the result of the examinations made by the commission we 
find the following facts clearly set forth: 
1. In California, as elsewhere, Phylloxera vastatrix hibernates 
the apterous female state on the roots; 2. The winter egg, 
exists at all, is as in the Eastern States, extremely rare on | 
experience on the Pacific coast seems to differ from ours om wi 
moisture the Phylloxera thrives best during dry summers. 
opposite result in California is doubtless due to the fact that the 
getting its head uppermost. Beetles also were readily affect 
Of a 
insects various kinds of Corixa were tried. These would = 
remain quite quiet for several minutes, but on tapping the 
Mechanic. 
aS ZOOLOGY. | 
. PROPAGATION or Sponce BY Curtines.—The Journal of t 
ciety of Arts contains an abstract of an account given DY 
V. Marenzeller of the efforts made by the Austrian gové 
