48 TREATISE ON THE 
ously elongated, and changed into the form 
of an inverted living pyramid, having its 
apex resting on the sides of the hive, while 
a score or two of stragglers, who have in the 
confusion been separated or have fallen from 
the mass above, hasten along, snuffing the 
‘ grateful fragrance, ranging themselves in a 
line on the edge of the trough, and eagerly 
plunging their probosces into the liquid. 
It is to their exquisite sense of smell also, in 
all likelihood, that we must attribute their 
capability of distinguishing friend from foe, 
among their own species. Ifa stranger Bee 
by mistake enter a hive, and this sometimes 
happens, in consequence of some slight alte- 
ration in the arrangement of the apiary, his 
close resemblance to his fellow-insects will 
not secure him from an immediate attack 
from all quarters; he is detected by a more 
subtle sense than vision, and instant flight 
alone can save him, Huber, to whose re- 
searches we are so much indebted in regard 
to the senses of Bees, has made some very 
conclusive experiments on that of smell, all 
