Apr. 12, 1924 
Development of American Foulbrood 
149 
this point on the gross weight decreases as preparation for metamorphosis begins. 
The seven-day group, comprising larvae which are still moving about in spinning, 
and most of which show only a slight remaining color in the intestines, indicating 
that the connection between ventriculus and end gut is made, averaging 0.14397 
gm. in weight, gave 0.00203 gm. of reducing sugar per larva, or 1.40 per cent 
concentration. One sample in this group gave as low as 0.36 per cent. Larvae 
