wr^ 



Fig. 48. 



1. Portion of a comb affected by foul brood in an advanced stage. The empty 

 cells are those from which healthy brood has been produced, or which have been 

 occupied by diseased larva?, the remains of which arc not discernible in the print. 

 All the capped cells liear the appearance of being diseased. This is indicated by 

 the sunken cappings of the cells, and the numerous jterforations in the cappings. 



HL HL e 



2. Portion of comb affected by foul brood, in a less advanced stage than " 1." The 

 raised ca))pings indicate that there is a good deal of healthy brooil,^ but the presence 

 of diseased brood all over the comb is indicated by the sunken cappings. 



H.— A group of liealthy cells ; other healthy cells being observable all over the comb. 



I). — Two groups of diseased cells, of which there are many more. 



B. — Healthy bees emerging from their cells. 



HL. — Healthy larvae. 



DL.— Diseased larvie. Note that these larvae are not lying like the healthy larva?. 



