27 



rence (Packard) ; and since dredged at several localities in the Gulf by the 

 writer and others. 



Thuiaria articulata (Pallas). 



Le Have Bank, N.S., in 45 fathoms (Smith and Harger) ; Gulf of St. 

 Lawrence (Whiteaves). 



Thuiaria cupressina (L.) ' 



Sertularia cupressina (L. ) Gmelin (1792). 

 Thuiaria cupressina, AUinan (1888). 



H. M. S. Challenger, Station 48 (May 8, 1873) off Nova Scotia, in 51 

 fathoms, rock (Allman). Bay of Fundy, in tide pools and from 1 to 100 

 fathoms, common (Verrill). Northumberland Strait and Gulf of St. Lawrence 

 (Whiteaves) ; Henley Harbour (Strait of Belle Isle) in 7 fathoms (Packard). 



Thuiaria argextea (Ellis and Solander). 



Sertularia argentea, Ellis and Solander (1786). 

 Thuiaria argentea, Allman (1888). 



Grand Manan, " common in 4 to 6 fathoms, attached to stones " (Stimp- 

 son). " Bay of Fundy ; Nova Scotia coast ; Gulf of St. Lawrence, low- 

 water to 110 fathoms (Verrill). Northumberland Strait and Gulf of St. 

 Lawrence (Whiteaves) ; Gaspe Bay, attached to shells of Fecten Magellanicus 

 (Sir J. W. Dawson) ; Caribou Island, in 8 fathoms, not common (Packard). 



Hydrallmania falcata (L.) 



Sertularia falcata, L. (1758). 



Pluniularia falcata, Stimpson (1853). 



Plumularia tcncrrima, Stimpson (1853) ; fide Verrill. 



HydraU mania falcata, Hincks (18(58). 



(xrand Manan, "taken often in 35 fathoms in the Hake Ground" 

 [P . falcata) Siwd "common in 25 fathoms, shelly bottom, off the northern 

 point of Duck Island" {P. Itnerrima) ; Stimpson. "Very abundant in 

 Casco Bay and the Bay of Fundy, low-water to 110 fathoms" (Verrill). 

 Le Have Bank, N.S., in 60 fathoms ; and oft" Chebucto Head, Halifax 

 Harbour, in 20 fathoms (Smith and Harger) ; Sable Island, N.S., Gaspe 

 and Metis (Sir J. W. Dawson) ; Anticosti and the Mingan Islands 

 (Verrill). Dredged by the writer also at many localities in the Gulf of St. 

 Lawrence, and apparently common throughout the entire region. 



