330 Proceedings of the Royal Physical Society, 



Amphtura Chiajit, Forbes. 



Amphiiira Chiajii, Forbes, Trans. Linn. Soc, vol. xix. 

 Ophiocoma punctata, Forbes, Brit. Starf. (the young ?). 



Firth of Clyde (Norman). Common in mud througliout 

 the district. Off Ascog Point, 11-15 fathoms, mud. Loch 

 Striven, 40 fathoms, mud. Kilchattan Bay, 20 fathoms. 

 Off Tarbert, Loch Fyne, 25 fathoms. Off north-west end of 

 Little Cumbrae, 60 fathoms, mud, rare. Kilbrennan Sound, 

 75-80 fathoms. Loch Long, opposite mouth of Loch Goil, 

 35 fathoms, mud, abundant. Loch Long, below junction 

 with Loch Goil, 45 fathoms, mud, abundant. Skelmorlie 

 Bank, 5-16 fathoms, shells and stones. It is a larger and 

 decidedly less fragile species than A. filiformis. 



Amphiura filiformis, Forbes (0. F. Miiller). 



Ophiocoma filiformis, Forbes, Brit. Starf. 



Amphiura filiformis, Forbes, Trans. Linn, Soc, Lond., vol. xix., 1843. 



Eothesay Bay and Gair Loch (Forbes). Firth of Clyde 

 (Norman) ; not uncommon in mud down to considerable 

 depths. First taken in Britain by Forbes in Eothesay Bay, 

 July 1839. Off Ascog Point, 11-15 fathoms, mud. Mouth 

 of Loch Fyne, 100 fathoms, mud. Off Skelmorlie Point, 39 

 fathoms, common. Off north-west end of Little Cumbrae, 35 

 fathoms, mud, common. Off north-west end of Little C umbrae, 

 60 fathoms, mud, common. Kilbrennan Sound, 75-80 fathoms. 

 The disc frequently peels off. 



Ophiocoma nigra, Mlill. and Tr. (0. F. Miiller). 



Ophiocoma granulata, Forbes, Brit. Starf. {non Linck). 



,, nigra, Mlill. and Tr., System der Asteriden, 1842. 



Common on hard ground in most parts of the Firth. 

 Loch Goil. 



Ophiocnida brachiata, Lyman (Montagu). 



Ophiocoma brachiata, Forbes, Brit, Starf. 



Ophiocnida brachiata, Lyman, Zool. Chall. Exp., pt. xiv., 1882. 



Little Cumbrae (David Pobertson). In sandy gravel at low 

 water, Castle Bay, a single specimen. 



