zoomorphism: the zoomorphic description of jekyll's degenerate desires shows societal constraints compel him to suppress these desires, leading to the emergence of a beastly animalistic force, personified though Hyde. His transmogrification (change in a surprising way) into the 'devil' of Hyde was because he was forced to resort to secrecy- this in itself is an oxymoron as dishonesty is incompatible with the blueprint of a respectable gentleman.