A mere index hunter, who held the eel of science by the tail. Index-hunter is a term used mockingly, meaning one who acquires superficial knowledge merely by consulting indexes. The '[holding] the eel of science by the tail' allusion was used in 1728 by Alexander Pope (q.v.).
Tobias SmollettThe bread I eat in London, is a deleterious paste, mixed up with chalk, alum, and bone ashes: insipid to the taste, and destructive to the constitution.
Tobias Smollett