114 Part III. — Fifteenth 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. 



Oikopleura (?) flabellum, J. Midler. — 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, Linne. — Upper Loch Fyne, in the centre, in 60 to 

 65 fathoms (M.). 



Ascidiella virginea, 0. 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 scab? -a, 0. F. Miiller. — Upper Loch Fyne, at Minard Narrows, 

 and on the east side and centre, in 12 to 65 fathoms (M.). 



Ascidia mentida, 0. 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, 0. 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, Linne. — 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 IV. of the Eev. A. 

 M. Norman's Catalogues (Museum Nornianianum) 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.). 



Scceurgas cirrhosa (Lamk.). Taken in herring-net in Laggan Bay, in 

 December ; young specimen (B. tfc S.) ; east side of Upper Loch Fyne, 

 30 fathoms (M.). 



* Revision of British Mollusca, Ann. and Mag. Nat. Hist., sixth series, vol. v. 

 pp. 452-481, and vol. vi. pp. 60-91 (1390). 



