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the end of the propodos, inside the base of the dactylus. Posterior pairs of legs
and uropoda nearly as in ^E. Stromii. Length of adult animal reaching to 52 mm.
Remarks. The present species, established by Prof. Lutken, is very nearly
allied to JE. Stromii, and may easily
be confounded with it. On a closer exa-
mination, it is, however, found to differ in the much coarser sculpturing
of the
dorsal skin, and the entire absence of any keels on the terminal segment of the
inetasome, the posterior edge of which, moreover, exhibits a pronounced crenula-
tion, not found in +E. Stromii. The peculiar cultriform spine issuing
from the
end -of the propodos of the 3 anterior pairs of legs, affords another character, by
which this species is distinguished from all the other Norwegian forms. It is the
largest of our indigenous Mgse.
Occurrence. Several specimens of this species are preserved in our Uni-
versity Museum, having been procured from time to time, partly in the Christiania
Fjord, partly off the south coast of Norway. It has, moreover, been observed at
Bergen, in the Trondhjem Fjord and in Komag Fjord, West Finmark. In every
instance, it has been taken from the skin of the great shark (Scymnus microcephalus).
Distribution. Iceland (Lutken), Greenland (Lutken).
5. yga monophthalma, Johnston.
(PI. XXVI, fig. 1.)
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