They breed and bear at all seasons,
superfoetate during pregnancy, and bear young every month. They do not
give birth to their young ones all together at one time, but bring
them forth at intervals over as many days as the circumstances of each
case may require. The female is supplied with milk before parturition;
and after bearing submits immediately to the male, and is capable of
conception while suckling her young. The milk in consistency resembles
sow's milk. The young are born blind, as is the case with the
greater part Of the fissipeds or toed animals.
34
The fox mounts the vixen in copulation, and the vixen bears
young like the she-bear; in fact, her young ones are even more
inarticulately formed. Before parturition she retires to sequestered
places, so that it is a great rarity for a vixen to be caught while
pregnant. After parturition she warms her young and gets them into
shape by licking them. She bears four at most at a birth.
35
The wolf resembles the dog in regard to the time of conception and
parturition, the number of the litter, and the blindness of the
newborn young.
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