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XXIX. Some Observations on the Sea Long-worm of Borlase, Gor- 
dius marinus of Montagu. By the Rev. Hugh Davies, F. L.S. 
Read June 7, 1814. 
As the concise definition of the genus Gordius, in the Systema 
Nature, does by no means include the characters of this very ex- 
traordinary animal, I deem it necessary to give the following more 
comprehensive one of it under the other name which has been 
bestowed on it. 
Liwzvs longissimus. Sowerby’s Brit. Misc. p. 15. t. viii. 
Black Line-worm. 
ConPvs lineare, levissimum, longissimum, mirandum in modum exertile et retractile. 
CaPur antice emarginatum, proboscidem cylindrico-clavatam exserens, 
Os inferum, lineare, longitudinale, - 
Ocvıi nulli, eem 
This is the Gordius marinus of Mr. Montagu, Trans. Linn. Soc. vii. 
p. 12; and Brit. Zool. ed. 1812, iv. p. 74; but not Gordius marinus 
of Linnzus. ; 
I laid a perfect specimen of this very wonderful creature in its 
own element in the largest dish I have, with a design to observe 
its habits or manners. | ! | 
It partook in a great measure of the nature of the leech, and 
seemed in some degree amphibious; as it frequently, in part, left 
the water, and, to the length of a foot or two, or more, extended 
itself along the edge of the dish, and the table on which the dish 
was 
