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Experiment V.

With Clothes in Boxes.

       Same period of exposure 20 minutes. The same amount of hydrocyanic
acid gas (about 4.38 cubic feet) as in Experiment III was introduced into the
room of 830 cubic feet capacity by means of a fan.

       Box I, from above downwards.

PARTICULARS. Result. REMARKS.
1. Rug and chudder, then cotton bag
with 10 fleas in it.
10 fleas; all dead.  
2. Then durree and 2 blankets with
bag of 7 fleas below.
  7 fleas; all dead.  
3. Then one blanket, with bag of 9
fleas below.
  9 fleas; all dead.  
4. Then a blanket in several folds
and a bag with 7 fleas below it.
  7 fleas; all dead.  
5. Then another blanket with 9 fleas
below in a bag.
  9 fleas; all dead.  

       Box II.—Two pipes were led into Box II, from above downwards.

PARTICULARS. Result. REMARKS.
(a) Pillow, then 10 fleas in bag 9 dead; 1 just feebly
   living.
The pipes were led into
foot of box. Those fleas
which were found "feebly
living" at the end of
experiment remained so
for 1½ hours after the
experiment.
(b) One rug and 9 fleas in bag below
it.
6 dead; 3 feebly
living.
 
(c) Then rug and blanket with 8
fleas in bag.
8 dead, all.  
(d) Then rug and pillow with 10
fleas in bag below.
10 dead, all  

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