396 Seientijic Intelligence. 
no foothold to insects, and producing no secretion 
h ut 
comparatively very small quantity. . . o not find that 
placing inorganic substances in the ‘ 
cretion; but I have twice observed a considerable increase in 
pitchers after putting animal matter in the fluid.” 5. Thi 
evidently digests animal matters. Treated with ‘ white of egg, 
raw meat, fibrine, and cartilage,” in all cases the action is most 
of N. am e 
the ae from the pitcher of WV. ampullaria in the cold room 
o one of JV.. lana in t 4 
upon.” From this it-is conjectured that something analogous to 
