. British bee journal & bee-keepers adviser. Bees. Marcli 30, 1899.] THE BRITISH BEE JOURNAL. 123 shown to be slightly alkaline. Cool to 135 deg. Fahr., add the white of an egg and clarify in the usual way as for jellies, boiling for one- and-a-half hours, then filter. If not clear repeat the clarifying process. Agar ivith Lit- mus. — This agent is necessaiy for testing the nature of the growth, be- cause nearly every separate organism has its own charac- teristics on this medium, especially when testing for acidity or alkalinity. Use lump litmus or powder, and boil in pure water until a s
. British bee journal & bee-keepers adviser. Bees. Marcli 30, 1899.] THE BRITISH BEE JOURNAL. 123 shown to be slightly alkaline. Cool to 135 deg. Fahr., add the white of an egg and clarify in the usual way as for jellies, boiling for one- and-a-half hours, then filter. If not clear repeat the clarifying process. Agar ivith Lit- mus. — This agent is necessaiy for testing the nature of the growth, be- cause nearly every separate organism has its own charac- teristics on this medium, especially when testing for acidity or alkalinity. Use lump litmus or powder, and boil in pure water until a saturated solution is obtained, then add sufficient to the agar medium above men- tioned to colour it a distinct purple. Gelatine Meditim. —Take 1 oz. of Nelson's No. 1 gelatine; c Dver it with a sufficient quantity of the. Fig. 2. Agnr Tiibe-culiuic 24 Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original London
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