4i 



Canadian Arctic Expedition, 1913-18 



Syncoryne eximia 



Eundendrium tenellum . . . 

 Hydraotinia laevispina. . . 

 Campanularia volubilis. . 



Gonothyraa loveni 



Obelia plicata 



Calycella syringa 



Cuspidella grand is 



Opercularella lacerata 



Halecium beani 



Halecium labrosum 



Halecium muricatum 



Halecium tenellum 



Filellum serpens 



Lafcea dumosa 



Lafcea fruticosa 



Lafcea gracillima 



Abietinaria greenei 



Abietinaria turgida 



Diphasia pulchra 



Selaginopsis alternitheca. 



Sertularella fusiformis 



Sertularella polyzonias. . . 

 Sertularella tricuspidata. . 

 Thuiaria similis 



Pacific 



Atlantic 



Europe 



Arctic 



pond I found attached to water plants, minute, 1 cm. long (fully outstretched, 

 including the five arms), bright red Hydra species forming their typical known 

 spores on the side of the 'stalk.' I tried to keep them alive, but they died and 

 rotted later. The temperature of the margin of the pond was 54° F. (2 p.m.)." 



Species and Disthibution 



Family SYNCORYNIDAE 

 Syncoryne eximia Allman. — Richmond gulf, 15-20 fathoms. 



Family EUDENDRIDAE 

 Eudendrium tenellum Allman. — Richmond gulf, 15-20 fathoms. 



Family HYDRACTINIDAE 



Hydractinia laevispina Fraser. — Station 41, Bernard harbour, N.W.T., 3-5 

 fathoms, July 20, 1915. 



Family CAM PANUL ARID AE 



Campanularia volubilis (Linn.) — Richmond gulf, 15-20 fathoms. 

 Gonothyrcea loveni (Allman). — Richmond gulf, 15-20 fathoms. 

 Obelia plicata, Hincks. — Small island between Long island and Cape Jones, east 

 coast of Hudson bay. Beach water. 



Family CAMPANULINIDAE 



Calycella syringa (Linn.) — Port Burwell, TJngava. "Neptune" Expedition, 1903- 

 04; between Black Whale and Olaska harbours, east coast of Hudson 

 bay, 10 fathoms; Richmond gulf, 15-20 fathoms. 



