Notes, Communications and Reviews. 



1:^9 



is one of the best in tlie whole book, and is of special interest 

 to the apiarist as it includes a very full account of the Isle of 

 Wight bee disease. It commences with reference to pebrine, a 

 fatal disease of the silkworm, which was first identified by 

 Pasteur with the parasite noAv termed Nosema hombycis. In 

 dealing with the Isle of Wight disease, the authors speak with 

 great authority, inasmuch as they discovered the organism 

 responsible for it, and have elucidated much of what is known 

 concerning its life-history (Figs. 3 and 4). Shortly after 



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Fio. 3. — Nosema apis ; Planonts and Meronts. 

 (Published by permission of the Authors and Publishers.) 



Drs. Fantham and Porter's discovery. Zander in Germany met 

 with the parasite and named it Nosema cqns. In addition to 

 bees the authors have succeeded in proving that the Nosema 

 can also kill blow-flies, house-flies, sheep-keds and certain 

 butterflies and moths. It is suggested that experiments to 

 test whether it could be used to advantage against the tsetse- 

 fly in tropical Africa are worthy of a trial. We must confess, 

 however, that we do not see how the disease can be effectually 

 VOL 70. F 



