• Adnabod dolffiniaid trwynbwl a llamhidydd yr harbwr. Extract from Morris, L., 1748. Plans of Harbours, Bars, Bays and Roads in St. George's Channel

Gellir lawrlwytho cynnwys at ddefnydd anfasnachol, megis defnydd personol neu ar gyfer adnoddau addysgol.
Ar gyfer defnydd masnachol cysyllwch yn uniongyrchol gyda deilydd yr hawlfraint os gwelwch yn dda.
Darllenwch fwy am y Drwydded Archif Greadigol.

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Detholiad o Morris, L., 1748. Plans of Harbours, Bars, Bays and Roads in St. George's Channel. Mae'r detholiad (tudalen 47) yn disgrifio sut i wahaniaethu rhwng dolffiniaid trwynbwl a llamhidydd yr harbwr.

Mae'r detholiad yn darllen fel a ganlyn: “As Naturalists have not made a Distinction between Bottle-noses and Porpesses, it may not be improper to give the following Account of the Difference between them.

The Snout of the Porpess is sharp, and comes to a Point like a Cone; the Snout of the Bottle-nose is blunt, and they also grow to a larger Size than the Porpess, and have more Blubber upon them, and each Kind go in Shoals by themselves.

It is generally observed, that when the Porpesses play, there is one much larger than the rest among them, as if he as their King or Leader.

The Natives here call them in general Llamhidyddion (q.d. Tumblers) and Pysgod duon, (Black Fish) but they are seen of various Colours; whitish, speckled, and black: and Fishermen say, the older and larger they grow, the blacker they are.

There might be great Profit made of these Fish, if there was a proper Method of taking them.”

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