POLYPS AND HYDROIDS. 369 



Edwardsia sipunculoides Stimp. Henley Harbor ; 4 f. 



Hydractinia poiyclina Agass. Salmon Bay, Strait of 

 Belle Isle. 



Coryne mirabilis Agass. Belles Amours. 



Clava multicornis Pallas. Salmon Bay. 



Thuiaria thuja Fleming. Mingan Islands, Labrador. 



Halecium halecinum Johnst. Caribou Island in eight 

 fathoms, gravelly bottom, where its branches supported 

 the nests of Cerapus rubricornis Stimps. Frequent in 

 thirty fathoms ; Chiteau Bay, on a sandy bottom. 



Halechim muricahim Johnst. Off Caribou Island, 

 in from thirty to fifty fathoms. Square Island in thirty 

 fathoms. 



Cotulina polyzonias (Linn.). Caribou Island. 



Cotulina tricuspidata (Alder). Strait of Belle Isle in 

 forty fathoms upon Diphasia rosacea. 



Amphitrocha rugosa (Linn.). Square Island, 30 f. 



Sertularia filicula Ell. and Sol. 



Sertularia falcata Linn, Mingan Islands, Gulf of St. 

 Lawrence. 



Sertularia argentea Ell. and Sol. Caribou Island. 



Sertularia aipressina Linn. 



Sertularia abietina Linn. JVIingan Islands, Gulf of 

 St. Lawrence, and Labrador. 



Diphasia rosacea (Linn.). Strait of Belle Isle, 50 f. 



Dyiiamena pumila Lamx. Strait of Belle Isle, be- 

 tween tide-marks. 



Lafcea dumosa (Johnst.). Cateau Ha:rbor, Long Isl- 

 and ; 1 5 f. 



Laomedea amphora Agass. Square Island. 



Clytia volubilis (Alder.). Henley Harbor, 20 to 30 f. 



Oceania languida A, Agass. Caribou Island, 8 f. 



