This volume conatins many articles written between 1919 and 1948. In the area covered, ten genera are recognized, one of them new. These genera include sixty sepcies, one variety, and two forms. Illustrations include drawings of microscopic detail.
Originally published in 1951.
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This volume conatins many articles written between 1919 and 1948. In the area covered, ten genera are recognized, one of them new. These genera includ...
