The Muslim dog-man fantasy was transferred onto New World peoples as cannibals

Evidence

The Muslim problem loomed large in the minds of Spanish, Portuguese, and other European explorers. Even the fantasy of Muslim dog-men was transmogrified onto new foreign bodies, people described as cannibalistic monsters, among other things. — Sophia Rose Arjana, Muslims in the Western Imagination, 579

Categorization

• XREF: The ‘transmogrification’ verb names the causal mechanism the reader is hunting — the Muslim monster template being re-stamped onto new bodies globally.