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Published online by Cambridge University Press: 01 May 2009
I Send as a Supplement to my last communication the subjoined Synoptical view of the species of Wealden Entomostraca, treated of in the March Number of the Geol. Mag., trusting it may prove acceptable to both collectors and systematists.
1 This is the species generally referred to by Dr. Fitton in his Memoir, but not the form figured by him in his plate.