Scottish National Dictionary (1700–)
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First published 1976 (SND Vol. X, list of scientific terms with Scottish connections).
This entry has not been updated since then but may contain minor corrections and revisions.
DALYELLIA. An aquatic worm of the family Planaria (1822 J. Fleming Philosoph. Zoology II. 605).
[Called after Sir John Graham Dalyell (1775–1851), of the Binns, West Lothian, antiquary, naturalist, writer on Planaria.]