Hsia says that prehistoric Chinese dogs may have evolved from Chinese wolves, but that the major dog breeds of ancient China-the Asian pariah, the hsi, and the mastiff--must have originated in Indian wolves, and migrated or been brought by Man to China.
他說，史前狗和中國的食狗（即家犬）可能起源於中國狼，但是主要的中國古老狗種﹘ ﹘如笨狗、細狗、獒等，應該源於印度狼，其中免不了有自然的和人為的遷移，於是錯綜複雜，無從考據。