448 DISEASES OF BEES. 
fill them with honey, covering up this dried foul-brood matter 
at the bottom. 
Sometimes the larvee do not die until sealed over. Wehave 
been told that such may be easily detected by a sunken cap- 
ping perforated by a “ pin-hole’’. This is by no means invariably 
the case. Such larvze will often dry up entirely, without the 
cap being perforated or perceptibly sunken, although it usually 
becomes darker in color than those covering healthy larve. 
The most fatal misapprehension has been in regard to the smell 
of the disease. In its first stages there is no perceptible smell, 
and it is not until the disease has made a considerawle progress 
Fig 186. (From Cowan.) 
APPEARANCE OF FOUL-BROODY COMBS. 
that any unusual smell would be noticed by most persons. In 
the last stages, when sometimes half or more of the cells in the 
hive are filled with rotten brood, the odor becomes sufliciently 
pronounced, but the nose is not to be relied on to decide whether 
a colony has foul brood or not. Long before it can be detected 
by the sense of smell, the colony is in a condition to communi- 
cate the disease to others. 
The eye alone can be depended on, and it must be a sharp and 
trained eye too, ifany headway is to be made in curing the 
disease. (J. A. Green, in “ Gleanings, ’? January 1887.) 
790. “Foul-brood can be detected in the Spring, either 
through an unusual spreading of the brood, resulting from an 
