The Church doesn’t have a defined teaching on evolution, so Catholics are free to be pro or con as long as they don’t question the theological meaning of Genesis.
The 1909 Pontifical Biblical Commission’s ruling should be enlightening:
http://www.philvaz.com/apologetics/p100.htm
The same goes with Pius XII’s encyclical Humani Generis:
http://www.vatican.va/holy_father/pius_xii/encyclicals/documents/hf_p-xii_enc_12081950_humani-generis_en.html
Genesis isn’t science, but neither is science theology.
thanks for your post.
concisely and well put.