Japanese Waltzing Mice Mammals 
very sleek. He was oblivious of everything else 
while cleaning himself, not paying the slightest 
attention to the fact that his mate in dancing was 
constantly switching his face with her tail. Later, 
the pair quarreled, and the female turned into a 
vixen, attacking her frightened spouse on all possible 
occasions, and driving him into the corners in a most 
heartless way. 
HOUSE 
Since these mice are very sensitive to drafts, their 
cage should be a wooden box with wire netting over 
one side. Mrs. Crosby has a circular cage of wire 
netting which has the advantage of giving a better 
view of the dancers, but she has to be very careful 
to keep the cage away from drafts. The floor should 
be covered with dry sand or sawdust. It is con- 
venient to put several layers of paper on the bottom 
of the cage, removing the soiled top one each day. 
The mice should be removed and the cage washed 
with an emulsion of kerosene and water once a week, 
drying it thoroughly before putting the mice back into 
it. In one corner of the cage there should be a 
retiring nest; a wooden box two or three inches 
square with a hole in one side will do. This should 
be placed on the floor and not fastened up against the 
side of the cage as with fancy mice. Shredded tissue 
paper makes the best bedding for these delicate 
creatures. Cotton or other fibrous material is not 
suitable. , 
A playhouse should be placed in the cage. This is 
made by taking a wooden box, without a cover, 
about three inches square, and two inches high. Cut 
holes one and a half inches wide down the sides of the 
box opposite each other. Invert this box in the 
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