brownish-orange freckled with dark brown and white. The apex for some distance down is
transparent white, and the ovate vesicle of a more opaque white is distinctly seen through i t :
the papillae are arranged in eight or nine rows of four or five each. Foot transparent white*
very broad in front, and extended into short angles at the sides.
This species comes very near to E . angulata, of which it may possibly prove to be a
variety. It differs, however, in colour, and somew’hat in the proportions of the parts, particularly
in the shortness of the anterior angles of the foot. When it is crawling, the branchiae
close so as to cover the whole of the back. The colour and markings resemble a good deal
some of the varieties of E . papillosa. The species is founded on a single specimen, got at
low-water mark, at the Gentlemen's Cove, Torquay, which unfortunately was not preserved;
some doubt may therefore rest on its specific distinction until it can be again examined.
(26) Eolis olivacea.
Additional Habitats. Ardrossan and Saltcoats, Ayrshire; Lamlash, Isle of Arran; and Penzance,
Cornwall, J. A. Burghead, Geo. Murray, Esq. .
This species appears to be very generally diffused. The Eolis foliata of Forbes and
Goodsir, in the f Report of the British Association’ for 1839, we take to be the young of E.
olivacea. It was found in Shetland.
*
(27) Eolis Couchii.
Eolis Couchii, Cocks, in Naturalist, v. 2, p. lJ pi. 1, fig. 2.
Body an inch and three quarters or nearly two inches long; the anterior part to the
commencement of the branchiae is white, as is also the tail, the rest of the body is of a bluish-
black, with opaque white spots. The dorsal tentacles are rather long and filiform, the oral
somewhat shorter and stouter; both pairs are transparent white with opaque spots. Eyes
conspicuous and black. The branchiae are ovate-oblong, transparent white with opaque white
spots, and are arranged in four distant rows of three papillae each down the sides of the back.
The foot is whitish and much attenuated posteriorly.
We owe the discovery of this fine Eolis to Mr. Cocks, who found it attached to the under
side of a stone, on the coral bank at Gwyllyn Vase, Falmouth, at the extreme low-water mark
of a spring tide in August, 1848. Mr. Cocks kept it alive nearly three months. It was
sluggish in its movements and generally held its papillae in a semi-erect position.
(28) Eolis ajkena.
We dredged several specimens of this beautiful species in Fowey Harbour, Cornwall,
in May, 1847. Individuals varied very much in colour, and a little in the length of the
tentacles, but the latter always retained the single brown band, and they and the branchiae
were always spotted with white or pale yellow. The colour of the papillae varied from yellowish-
green to pale yellowish-olive, and occasionally to a pale yellowish-brown. One of the
specimens had the bases of the papillae reddish and was blotched with opaque white down
the front of each.
(29) Eolis purpurascens.
Eolida purpurascens, Flem., Phil. Zool., v. 2, p. 470, pi. 4, fig. 2. Brit Anim., p. 285.
Hab. Frith of Tay, Rev. Dr. Fleming.
“ Five bundles of branchiae on each side. Tentacula linear. Length about an inch,
slender, pointed behind, rounded in front, of a pink colour. Anteal tentacula shorter than
the superior ones, which have the eyes behind. Three filiform branchiae in each bundle.”
This description from Dr. Fleming’s ‘ British Animals,’ and the figure in his ‘ Philosophy
of Zoology,’ afford all the information we possess concerning this rare Eolis, which appears to
be different from anything we have met with. The figure represents the oral tentacles very
short; the papillae are also short and subclavate, and are set in rather distant rows.
(30) Eolis cjirulea.
Doris carulea, Mont., in Linn. Trans., v. 7, p. 78, pi. 7, figs. 4, 5.
Montagua ccerulea, Flem., Brit. Anim., p. 285.
“ With a linear body of a green colour, covered with large, blue, clavated tubercles,
■ greenish at their base, and tipped with orange; these are disposed in several transverse rows:
tentacula four, subfiliform, green: eyes placed at the base of the hindmost tentacula; between
the second and third row of tubercles are two pink oval vesicles on the back, a little
inclining to one side. Length a quarter of an inph.” Montagu, loc. cit.
We have not succeeded in our search for this pretty species on the Devonshire and
Cornish coasts, and can therefore add nothing to the above description. The two pink oval
vesicles mentioned are evidently the ovigerous vesicles of a parasite of the Lernea tribe that
infests these animals.
(31) Eolis amethystina.
Eolis amethystina, Aid. and Hanc., in Ann. Nat. Hist., v. 16, p. 316.
Body yellowish, slightly depressed. Oral and dorsal tentacles of a yellowish tinge, the
latter twice as long as the former, bases approximating, points fine and spreading. Branchue
elliptical, much inflated one way and somewhat depressed the other, set in nine or ten rows of
four papillae each; the gland linear, purple, granulated; apices with a broad ring of pale
orange-red. Foot transparent, linear, rounded in front, and a little widened for a considerable
way backwards. Length three eighths of an inch.
Found under a stone at low-water mark, Cullercoats, A. H.
This is a critical species coming very near to E . tricolor, from which it differs principally
in the greater length of the tentacles, and in having the papillary gland purple throughout its
entire length, and strongly granulated. The specimen was taken in October, and as it did not
contain spawn it is difficult to say whether or not it was adult.
(32) Eolis Farrani."
This species has lately been found in considerable abundance at Burghead, on the Elgin
coast, by Mr. Murray. The Scottish specimens are generally of a purplish-violet tinge on the
body and papillae. This is probably the normal colour, and the individual from which the
drawings in our plate were taken must therefore be considered a white variety, examples of