THE DOG AND FOX CROSS. 247 



her own cross, which is necessary to be done before Mr. Tomlin's 

 assertion is to be accepted, that the individuals of the dog and 

 fox cross will breed inter se. And this being the only proof of a 

 distinction of species which is now recognised, until the experi- 

 ment is carried out successfully we are not in a position to admit 

 that the dog and fox belong to the same species. 



