26 



Sertularia tricuspidata, Alder. 



Bay of Fuiidy, 50-55 fathoms (Verrill) ; Le Have Bank, N.S., in 45 and 

 60 fathoms (Smith and Harger). Very common at many localities in the 

 Gulf of St. Lawrence, at moderate depths (Whiteaves). " Abundant in the 

 Strait of Belle Isle in 40 fathoms, upon Diphasia rosacea " (Packard). 



Sertularia fusipormis, Hincks. 



Gulf of St. La%yrence, about half way between Anticosti and the Gaspe 

 peninsula, in 200 fathoms, on Campanularia verticillata, dredged by the- 

 writer in 1873, and subsequently determined by Professor Verrill. 



Sertularia latiuscula, Stimpson. 



185.3. Synops. Marine Inve,rt. Grand Manan, p. 8. 

 Grand Manan, " dredged in the laminarian zone " (Stimpson). 



Sertularia producta, Stimpson. 



1853. Op. cit., p. 8. 

 Grand Manan (Stimpson). 



DiPiiASiA fallax (Johnston). 



Sertularia fallux, Johnston (1847). 

 Diphasia fallax, L. Agassiz (1862). 



Grand Manan (Stimpson) ; Bay of Fundy, 20-55 fathoms (Verrill). 



Diphasia rosacea (L.) 



Sertularia rosacea, L. (1767). 

 Diphasia rosacea, L. Agassiz (1862). 



" Very abundant in 50 fathoms, gravelly bottom, in the Strait of Belle 

 Isle" (Packard). 



Diphasia mirabilis, Verrill. 



1872. Trans. Conn. Acad. Arts and Sc, vol. in., p. 53. 

 Le Have Bank, N.S., in 60 fathoms (Smith and Harger). 



Thuiaria thuja (L.) 



Collected by Messrs. Hyatt, Shaler and Verrill, on the Cambridge- 

 expedition to Anticosti in 1861, at the Mingan Islands, (iulf of St. Law 



