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Published online by Cambridge University Press: 31 May 2012
All the common species that were easily obtained in this locality, have had names in my collection for many years, but owing to the changes that were being made in the genera and synonymy of species, I was not in a position to follow them up, so that when Mr. Grote's “New Check List” appeared, which I have followed in this, I found that several of my old names had disappeared altogether, and others had been rendered doubtful.