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A History of the County of Somerset
… one or two species of gnat of the genus Anopheles are the direct cause of malarial fever. 11 Culicid Culex ciliaris, L. …
A History of the County of Somerset
… last in colour and the presence of a long pointed caudal process, but smaller and hairier and without transverse … being broken up into jointlets, as when a single bar of iron is converted into a chain of several links. This is what … trust, for the third section of the Branchiopoda there is direct evidence. This section, the Branchiura, is a small …