[fraser] NOTES ON SOME ALASKAN HYDROIDS. 219 



Campanularia intégra Fraser, West Coast Hydroids, 1911, p. 31. 



Some specimens of Abietinaria were overrun with the stolons of 

 this species but there were but few zooids growing from them. Those 

 that were present were in good condition. 



Campanularia verticillata (Linnaeus) 



Sertularia verticillata Linnaeus, Systema Naturae, 1758, p. 811. 

 Campanularia verticillata Fraser, West Coast Hydroids, 1911, p. 33. 

 Two fragments of stems with whorls of hydrothecae in good con- 

 dition were the only representatives of this species in the collection. 



Family campanulinid^e 



Calycella syringa (Linnaeus) 



Sertularia syringa Linnaeus, Systema Naturae, 1767, p. 1311. 

 Calycella syringa Fraser, West Coast Hydroids, 1911, p. 42. 



Two small colonies were found creeping over Abietinaria. These 

 corresponded to the pygmy variety of the species. 



Family halecid^ 

 Halecium tenellum Hincks 



Halecium tenellum Hincks, Ann. and Mag. Nat. Hist., 3rd ser., VIII, 



1861, p. 252. 

 Halecium tenellum Fraser, West Coast Hydroids, 1911, p. 49. 



This species was quite common, occurring on Abietinaria, Lafœa 

 and on Bryozoa. 



Halecium ivashingtoni Nutting 



Halecium geniculatum Nutting, Hydroids of Alaska and Puget Sound, 



1899, p. 744. 

 Halecium washingtoni Fraser, West Coast Hydroids, 1911, p. 50. 



Some fine large colonies of this species were obtained as well as 

 some young colonies not yet branched. All of them were growing 

 over Abietinaria. 



