the same chapters, (the Letter points out), in simple and metaphorical language adapted to the mentality of a people but little cultured, both state the principal truths which are fundamental for our salvation, and also give a popular description of the origin of the human race and the chosen people.
Metaphorical, adapted, a popular description of the origin of the human race. Humani Generis states, in clear terms, that Genesis is largely a metaphor and a story meant to convey important truths. It is the truths which demand our focus, and not the details which deliver those truths.
We're on the same page.
We may be on the same page, brother,but you are barely clinging to the edge on the far left :)