DISTINCTION BETWEEN SPECIES AND VARIETIES. 35 



probably resembles that from which the various breeds at first 

 originated. This change has taken place in various parts of the 





FIG. 3. THE BLOODHOUND, 



world, in the case of Dogs which were introduced from Europe, 

 and which have since become wild ; but it has been particularly 



Fio. 4. THK SPANIKL. 



noticed in Cuba, where the exact period at which the Dog was 

 first introduced, that of the invasion by the Spaniards at tho 



2 



