28 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 4 



slender, up to 5 mm., so that they stand out conspicuously from the sup- 

 porting surface; they are not annulated directly at the base, but a short 

 distance from the base there are numerous annulations ; some distance 

 distal to these there is a smaller number, and two or three near the 

 distal end, next the hydrotheca. Hydrotheca broadly campanulate, with 

 10 rather shallow, rounded teeth at the margin. Lines run backward 

 from the indentations between the teeth. 



Gonosome. — Not observed. 



Distribution. — West of South Seymour Island, 5 fathoms. 



Gampanularia hincksi Alder 



Campanularia hincksi Alder, Ann. and Mag. Nat. Hist., (2), XVIII, 



1856, p. 360. 

 HiNCKS, Br. Hyd. Zooph., 1868, p. 162. 



Distribution. — East of islands off Navidad Head, 25-35 fathoms; 

 South Bay, Cerros Island, 10-15 fathoms. 



Campanularia urceolata Clark 



Campanularia urceolata Clark, Alaskan Hyd., 1876, p. 215. 



Fraser, Hyd. of Vancouver Island, 1914, 

 p. 140. 



Distribution. — East of islands oH Navidad Head, 25-35 fathoms. 



Campanularia volubilis (Linn.) 



Sertularia volubilis Linnaeus, Syst. Nat., 1767, p. 1311. 



Campanularia volubilis Eraser, Hyd. of Vancouver Island, 1914, 



p. 141. 



Distribution. — Black Beach, low tide; White Friars Islands, 25 

 fathoms. 



Genus CLYTIA 



Clytia acutidentata, new species 



Plate 7, Fig. 29 



Trophosome. — Colony small, reaching a height of 6 mm., not defi- 

 nitely branched. The stem is geniculate in such a way that each pedicel 



