MAMMALIA. 
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Pigs next the largest. Each Pig will keep to one and the same 
teat during the whole of the suckling period. When the number 
Fig. 41.— Craonaise race {Boar). 
of young ones exceeds the number of teats, the smallest animals 
are destroyed. It is necessary, moreover, to keep a constant watch 
Fig. 42.— Perigord race {Boar). 
over the mother during the time she is having her litter, for she 
sometimes is so unnatural as to eat her progeny. 
Our object is not to dwell here at any length on the rearing, 
