Image from the Biodiversity Heritage Library.
Contributed by Smithsonian Institution Archives.
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Transcription
Myzontes
276. Betromyzon tridentatus, Sauv. - (Columbia Riv.) Falls/Wallammett-
277. (3) Heptotremes dombezi, Cuv. - Raporn Baz-(Valparaíso),
[missing]