Comprehensive Description

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Comprehensive Description

"Colour.-Various shades of white or pinkish white, with a translucent streak along the center

of the dorsum-caused by the proboscidian chamber. Specimens with the generative organs well

developed assume a grayish aspect. There are two conspicuous pink or reddish-pink spots indicating

the ganglia in front. The under surface has the same colour as the dorsum, and during

the quiescent state of the reproductive organs is distinctly marked by the pinnae of the digestive

chamber. A specimen found at St. Peter Port, Guernsey, had the body of a pale greenish hue,

like that usually seen in Tetrastemma melonocephala , while in the Bight of Vatsland (to the north

of Bressay Sound) in Shetland a variety with the pigment everywhere increased abounds on a

sandy bottom."( Mclntosh, 1872)


Public Domain

Hammock, Jennifer

Source: EOL Interns LifeDesk

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