These two breeds, moreover, have become so much modified, that, if we had no historical or indirect evidence regarding their origin, it would not have been possible to have determined from a mere comparison of their structure with that of the rock-pigeon, C.
Arraza biok, bestalde, halatan aldatzera iritsi dira, non, baldin beren jatorriaz inolako froga historiko edo zuzenik ez bagenu, ez genukeen erabakitzerik, haien egitura haitz-uso edo C.