E. M. (Edmund Murton) 1877-1 Walker

E. M. (Edmund Murton) 1877-1 Walker

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Affinities of the North American Species of Gomphus As Revealed by the Genitalia (Odonata, Gomphidae)E. M. (Edmund Murton) 1877-1 Walker

Affinities of the North American Species of Gomphus As Revealed by the Genitalia (Odonata, Gomphidae)

E. M. (Edmund Murton) 1877-1 Walker · 2021