This is Horror Stories for February-March 1938. The cover artist is not recorded and this issue has no ISFDB entry, but is preserved in this French-language collector’s gallery.
Pulp Parade #72: Honestly, even I’m not sure what the point of this is supposed to be
Looks like ape-human head transplants. The donor is already prepared, will her head be discarded, or transplanted onto the ape?