1268 General Notes. [December, 
and broke them up in water, so that a great number of t 
tapeworm’s eggs remained suspended in the fluid. The i 
came to the mixture, attracted by the sugar, and in about half an a 
- hour the ova of the tapeworms were to be found in their intes- 
tines and in the spots. Had these eggs been in a recent ang 
living state, they would doubtless have been just as easily trans- : 
‘ 
rted. To those who care to try these experiments, it is sug- 
sugar and water, 1$ a 
gested that lycopod powder, mixed with 
good material, as the lycopod spores are easily detected. 
It is self-evident that if the mouth-apparatus of the fly will 
admit of the introduction of such objects as have been a 
noted, that there will be no difficulty in its admitting scores = 
the spores of many parasitic fungi, and above all of those belong” 
ing to the Schizomycetes, the possible cause of so much -m 
Already Dr. Grassi has detected in fly excrement the aap 
Oidium lactis, and the spores of a Botrytis, this latter taken 
the bodies of silkworms dead of muscardine. : 
f how far the ad 
digestion of the intestines of the fly may not destroy i babe 5 
as objects for assimilation, but may be got rid of as foreign ? : 
Bed E pel be horae in mine that the fies themselves all | 
to the growth of a parasitic fungus (Empus@ musc@ Cohn), à 
is probably taken first into their own stomachs. he 
es objections % e. | 
k` that bees’ reo 
dye to pressure, pointing out that there 15 nO aoe he has 
the forms of the cells and of the bees’ bodies, and umber o 
observed a single female build a nest consisting “7 formed by 
"six-sided cells; further, the difference seen in CO as tobe 
bees and drones cannot be correlated with any dif r cells by 
found in the inhabitants; in the formation of the Queer 
é 
