SMELLING, HEALING, ETC, 
95 
of this stripe that the canal is found opening towards 
the space between the rings. At the bottom of this 
canal a large number of small glands open, each one 
of which has an oval cell (b), with a well-defined 
globule. From each cell a fine duct starts outwards 
and extends to the bottom of the canal. The walls 
of these ducts he found to be chitinous, the same as 
the outer covering. To these glands he ascribes an 
excretory function, and Zoubareff (172) alludes to the 
drops of liquid bees let fall when they are on the 
wing, and says that as honey stored in the cells con- 
tains very much less water than the liquid the bees 
gather, he thinks, probably, it is this excess that is 
collected and thrown off by these glands. 
Dr. Braxton Hicks has also pointed out patches of 
circular hollows at the base of the labium, and others 
situated close to the origin of the palpi, and also those 
amongst the hairs at the apex of the labial palpi (Fig. 
42, A, c\ but has not determined their function, sug- 
gesting that they might be supplemental organs of 
taste. 
Wolff (170) also describes small hollows situated 
