15 



Family Ilaploscleridck. 



Chalkva oculata (Pallas). 



■ Five Islands, Mina? Basin, Bay of Fundy, C. W. Willimot, 1892; 

 Joggins, N.S., T. C. Weston, 1893 ; Nova Scotia and Riviere du Loup, Sir 

 J. W. Dawson (Lambe). Gulf of St. Lawrence, collected by Dr. Bell in 



1858. 



Halichondria panicea, Johnston. 



Common throughout the entire region, southward to New England and 

 northward to Greenland. Macoun has collected it on the south coast of 

 Prince Edward Island ; the writer between Pictou Island, N.S., and Cape 

 Bear, P.E.I., in 22 fathoms, and ofFCapdes Roslers in 7 fathoms ; Mr. W. B. 

 Lambe between Grande Greve, Gaspe Bay and Ship Head (Cape Gaspe) ; 

 and Sir J. W. Dawson at Riviere du Loup and Murray Bay. 



Reniera rufescens, Lambe. 



1893. Trans. Royal Soc. Canada for 18!l2, vol. x., sect, iv., p. 75. 



Orphan Bank, oflF the entrance to the Baie des Chaleurs, one specimen, 

 dredged by the writer in 1873 ; and Gaspe coast eight specimens. Sir J. W. 

 Dawson (Lambe). The types of R. rufescens were collected at Petropaul- 

 owski, Kamtschatka, by Dr. G. M. Dawson in 1891. 



Reniera mollis, Lambe. 



1894. Idem, vol. xi., sect, iv., p. 26. 



Orphan Bank, two fragments, dredged by the writer in 1873 ; coast of 

 Labrador, one specimen, in Sir J. W. Dawson's collection ; Wakeham Bay, 

 Hudson Strait, A. P. Low, 1897; Davis Strait, Reef Coal Hill, bearing 

 S.E., twenty miles, in 30 fathoms, rocky bottom, — and off Cape Raper, four 

 miles south, in 60 fathoms, stones and sand, A. M. Rodger, 1892 (Lambe). 

 The types of this species are from Vancouver Island. 



Ei'MASTiA siTiENS, O. Schmidt. 



Yarmouth, Nova Scotia Professor Macoun, 1884 ; between Pictou Island, 

 N.S. and Cape Bear, P.E.I. , in 22 fathoms, dredged by the writer in 1873 ; 

 Gaspe, Metis and Riviere du Loup, Sir J. W. Dawson (Lambe). Greenland 

 (0. Schmidt, and Fristedt). 



