114 Part I11.—Fifieenth Annual Report 
steam yacht ‘Medusa.’ The number of species will doubtless be con- 
siderably increased when the Tunicata come to be more thoroughly 
worked up. 
LARVACEA. 
Orkopleura (2) flabellum, J. Miiller.—Lower Loch Fyne in surface tow- 
net ; Upper Loch Fyne, near Minard, in bottom tow-net (G.). 
ASCIDIACEA. 
Botrylloides, sp.—Upper Loch Fyne, west side, in about 15 fathoms. 
Ciona intestinales, Linné.—Upper Loch Fyne, in the centre, in 60 to 
65 fathoms (M.). 
Ascidiella virginea, O. F. Miiller.—Upper Loch Fyne, at Minard 
Narrows ; on both sides and centre, in 10 to 70 fathoms ; and also on 
the shore (M.). 
Ascidiella scabra, O. F. Miiller.—Upper Loch Fyne, at Minard Narrows, 
and on the east side and centre, in 12 to 65 fathoms (M.). 
Ascidia mentula, O. F. Miiller—Upper Loch Fyne, at Minard; and 
on both sides and centre, in about 10 fathoms (M.). Tarbert Bank, 
Lower Loch Fyne ; and in East Loch Tarbert, frequent and large (Mihi). 
Corella parallelogramma, O. F. Miiller.—In the centre of Upper Loch 
Fyne, in 60 to 65 fathoms (M.). 
Styelopsis grossularia (Van Beneden).—At Minard Narrows, Upper 
Loch Fyne, on the east side, and in the centre, in 10 to 36 fathoms; and 
also on the shore (M.). 
Polycarpa rustica, Linné.—At Minard Narrows, Upper Loch Fyne, 
west and east sides and centre, in 10 to 70 fathoms (M.). 
MOLLUSCA OF LOCH FYNE. 
Note.—The arrangement and nomenclature of Part 1V. of the Rev. A. 
M. Norman’s Catalogues (Museum Normanianum) are followed for the Mol- 
lusca. The Revision of British Mollusca, by the same author, as far as, 
and inclusive of, Order III. (Nudibranchiata),* has also been consulted ; 
also the Mollusca of the Firth of Clyde, by Alfred Brown, 
CEPHALOPODA. 
Octopus vulgaris, Lamk.—In herring-net in the summer, Laggan Bay 
(B. &S.). 
Sceurgus cirrhosa (Lamk.). ‘Taken in herring-net in Laggan Bay, in 
December ; young specimen (B. & S.) ; east side of Upper Loch Fyne, 
30 fathoms (M.). 
* Revision of British Mollusca, Ann. and Mag. Nat. Hist., sixth series, vol. v. 
pp. 452-484, and vol, vi. pp. 60-91 (1890), 
