404 
MAMMALIA, 
derived from the same species, the question as to the origin of 
the domestic Dog becomes relatively easy of solution ; at least, 
some very plausible hypotheses may he brought to bear on it. 
We would then no longer say with Buffon, that our numerous 
varieties of the domestic Dog had sprung from a single type ; we 
Fig. 155 — Danish Dogs. 
would not seek to inquire if this type was the Wolf or Jackal, 
or if it had been for a long time altogether lost. It would only 
be necessary to state, that there existed before the appearance of 
Man on the face of the earth, diverse varieties of Dogs correspond- 
ing to some of our domestic breeds. This certitude having been 
