104 



PoRELLA Skene: (Ellis and Solander). 



Millepora Skenei, Ellis and Solander (1786). 



Cellepora Skenei, Johnston (1849). 



Lepralia crassispina, Stimp.son (1853) ; the Lepralian form, fide Verrill. 



Discopora Skenei, Verrill (1879). 



Grand Manan, " in small radiating patches on stones and shells from deep 

 water " (Stimpson ; L. crassispina). Le Have Bank, N.S., in 60 fathoms, 

 U. S. Fish Commission, 1872 (Smith and Harger). Gulf of St. Lawrence, 

 about one mile and three-quarters to the S.E. of Bonaventure Island, in 56 

 fathoms, sand (Whiteaves, 1872). 



PoRELLA Skenei, var. plana, Hincks. 



1888. Ann. and Mag. Nat. Hist., Ser. vi., vol. i., p. 221. 



Described from specimens dredged by the writer, in 1871, on the north 

 shoi-e of the Gulf of St. Lawrence, half way between Pointe des Monts and 

 the west end of Trinity Bay, in 96 fathoms, small stones and coarse sand. 



PORELLA ELEGANTULA (Orbigny). 



Eschara clegantuJa, Orbigny ; Packard, et auct. 

 Porella elegantula, Levinsen (1880) ; and Hincks (1888). 



Common at many places in the Gulf of St. Lawrence. The writer has 

 dredged it profusely on the Orphan Bank; to the S.E. and S.S.E. of Bon- 

 aventure Island ; off Grande Greve, in Gaspe Bay ; off Cap des Rosiers 

 village, &c. Packard had previously dredged it, in abundance, on the bank 

 off Caribou Island, in 1860. 



Sir J. W. Dawson has found this species fossil in the Leda clay of Riviere 

 du Loup, and T. Curry in the same formation at Montreal. 



Porella elegantula, var, papposa. 



Eichara papposa, Packard (1867). 



Le Have Bank, N.S., in 45 fathoms, U.S. Fish Commission, 1872 (Smith 

 and Harger). The types of E. papposa were dredged by Packard, in 1864, 

 at Chateau Bay, Strait of Belle Isle, where the species is said to be " not 

 unfrequently found with Flustra digitata " {carbasea). 



Porella surcularis (Packard). 



Celleporaria surcularis, Packard (1863). 

 Celleporaria incrassata, Smitt (non Lamarck). 

 ? Porella compressa (Sowerby) Hincks (1880). 



Extremely common in the Gulf of St. Lawrence, especially upon fishing 

 banks, or upon rocky, pebbly or shelly bottoms, in from 10 to 50 fathoms, 



