Glare Island Survey — Murine Mollusca, 22 1 1 



as well as the shores of the drift islands and the channels between them. 

 The middle division, M., includes the open waters of Clew Bay outside the 

 limits of W. and E. In the list the word ' shell ' means ' empty shell' 



In concluding this introduction I wish to make special acknowledgment 

 to Mr. A. E. Xichols, of the National Museum, for the valuable assistance he 

 has given me in the determination of many critical species, and for the 

 courtesy with which he has at all times granted me access to the museum 

 cabinets of Irish marine mollusca. I have also to thank Mr. G. P. Farran 

 and Miss A. L. Massy, of the Irish Fisheries Branch, for the communication 

 of several interesting notes on the " Helga's " Clew Bay dredgings. 



V. List of Species. 



Class CEPHALOPODA. 



Order DIBRAJS'CHIATA. 



Eledone cirrhosa (Lamarck). M. E. Bare ? Clew Bay (Dublin Museum) 

 Nichols 1900; Westport (Miss M. Ball) Thompson, '56. 



Sepiola atlantiea d'Orbigny. M. Bare ? Taken in 2 dredgings in the bay 

 in from 13 to 20 f. '09, a total of 3 specimens. 



S. scandica Steenstrup {S. Rondeleti). M. Bare : a single specimen taken 

 in 18 f., '09. 



Loligo media Tinne). M. Frequent : trawled 4 times in the bay, 1909 and 

 1910, in from 16-20 f., a total of 13 specimens. 



Class AMPHINEURA. 

 Order POLYPLACOPHOEA. 



Acanthochites faseicularis Linne {Chiton). W. F. Bare : under stones in 



several places on the E. and S. of the island, '09 and '10, usually 



occurring singly, but 3 were taken in one gathering at Portarriv. 



One specimen at Blind Sound, Achillbeg, and 2 living specimens dredged 



in the bay, one in 8 f., the other in 10 f. 

 Hanleya mendicaria Mighels). (Chiton Haulcyi.) E. One specimen on a 



.dead shell in 5 f., Inishlyre Boads. 

 Lepidopleurus cancellatus (0. B. Sowerby, jun.). (Cliiton.) W. One 



specimen 4-5 mm. long off Granuaile's Castle, '09, and another in the 



same station, 'TO. 

 L. onyx (Spengler). {Chiton cimnus.) W. M. E. Frequent on dead shells 



in dredgings in from 5-18 f. 



B2 



