HYDROIDS FROM NOVA SCOTIA 171 



Genus Filellum. 

 Filellum expansum Levinsen. 



Filellum expansum Levinsen,' Hydroider fra Groenlands 

 Vestkyst, 1893, p. 30. 



Common in shallow water, growing on other hydroids, 

 Barrington Passage and Canso. 



This species seems very common all the way down the coast 

 as far as Beaufort, N.C. A description of the species con- 

 taining an original description of the coppinia mass has been 

 given in a paper, "Notes on New England Hydroids" mentioned 

 in the introduction of this paper. 



Filellum serpens (Hassall). 



Campanularia serpens Hassall, Trans. Micro. Soc, III, 

 1852, p. 163. 

 Reticularia serpens Verrill, Checklist, 1879, p. 79. 

 On Sertularella polyzonias from 50 fathoms, Canso Banks. 



Genus Grammaria 

 Grammaria abietina (Sars). 



Campanularia abietina Sars, Nyt Mag. for Naturvidensk, 

 bd. 6, 1851, p. 139. 



Grammaria robusta Stimpson, Marine Invert, of Grand 

 Manan, 1854, p. 9. 



Grammaria abietina Whiteaves, Marine Invert. Eastern Can., 

 1901, p. 28. 



Dredged from rocky bottom in 20 fathoms, near the shore in 

 Chedabucto bay, Canso. 



Genus Lafcea. 

 Lafosa dumosa (Fleming). 



Sertularia dumosa Fleming, Edin. Phil. Jour., II., 1828, p. 83. 



Lafcea dumosa Nutting, Hydroids of Woods Hole, 1901, p. 

 355. 



Lafcea dumosa Whiteaves, Marine Invert. Eastern Can., 

 1901, p. 24. 



Dredged from rocky bottom in 20 fathoms, Chedabucto bay, 

 Canso. 



