:Here someone is getting close. Via Talk:The_Hunting_of_the_Snark#Uncovered:_Snark_and_Boojum you get to a discussion in the German WP where I placed I picture which cannot be clearer as ist is. The hidden objects in the last illustration from Henry Holiday just are red herrings. The snark has been "hidden" for more than one century by a clearity, which seemingly almost nobody expects. With this trick Carroll and Holiday had been pulling their reader's legs very successfully since 1876.