Etymologist or Entomologist?

These excerpts are from page 163 of the 2011 book Imperfect Justice: Prosecuting Casey Anthony. The author is writing about the evaluation of the insect evidence at the crime scene. An expert on the study of insects is an entomologist, but the author refers to such a person as an etymologist,  someone who studies word development and origins.  How this mistake make it past editors–not once, but twice–is beyond me!

First occurrence of etymologist


And here it is again further down the page.

Posted in Examples from the Real World.

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