. The Health Exhibition literature. ing showed me if, instead of coffee-coloured matter, such as that usually sent for microscopicexamination, the body of a grub, dead, but in a freshercondition, were taken, the number of the rod-like bodiesvery considerably increased, while that of the ovoid onesdiminished, as seen in Fig. 3. My own inoculated stock,—inoculated for experimental purposes,—was cured, andgave me no material, but soon I obtained a comb from asuffering hive, and then had the opportunity of expressing N 2 i8o Foul Brood: its Propagation and its Cnre. the juices from a death-stricke
. The Health Exhibition literature. ing showed me if, instead of coffee-coloured matter, such as that usually sent for microscopicexamination, the body of a grub, dead, but in a freshercondition, were taken, the number of the rod-like bodiesvery considerably increased, while that of the ovoid onesdiminished, as seen in Fig. 3. My own inoculated stock,—inoculated for experimental purposes,—was cured, andgave me no material, but soon I obtained a comb from asuffering hive, and then had the opportunity of expressing N 2 i8o Foul Brood: its Propagation and its Cnre. the juices from a death-stricken larva. These, when ex-amined under a power of 600 diameters and carefullyilluminated, were seen, to my great delight, to be full ofactive rods, swimming backwards and forwards, and wormingtheir way between the degenerate blood-discs and fatglobules, as represented in Fig. 4, while here and therewere long strings of them, the leptothrix form previouslyreferred to. Three questions now required answers. Was Fig, 3.—Late 7 V ? C/P .6 ^
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Keywords: ., bookcentury1800, bookdecade1880, booksubjecthygiene, bookyear1884
