On a probably new species of Lamprey found in Tasmania

The singular fish I have the honor to lay before this monthly meeting of the Society, was transmitted to me by the Rev. E. C. Marum, of Jerusalem, with the request that I would present it to the Museum, if worthy of acceptance. It was caught by Mr. John Ibbott, near Stockdale, six miles south of Jerusalem, whilst netting for rock-roach, in the Coal River.
This part of the river is entirely fresh water, and far above tidal influence. When removed from the net it was living, and firmly adhering by its sucker-like mouth to a rock-roach fish. "When placed in a dish of water," says the Rev. Mr. Marum, "he at once adjusted his pouch charmingly, reminding me of the days when I used a set of bladders in learning to swim; he seemed to sink and rise then as a boat or ship does when at anchor as the waves or ripples move them."