Polyzoa of Queen Charlotte Islands. 463 
‘seta very short, about twice the length of the groove. 
Oacium (?). Zoartum of a stout habit; internodes mode- 
rately long (7-10 cells). 
Loc. Houston Stewart Channel. 
This species bears some resemblance to S. scrupea, but is 
at once distinguishable from it by the differences in the vi- 
braculum. 
CaBEREA, Lamouroux. 
Caberea Ellisiz, Fleming. 
Off Cumshewa Harbour. [Vancouver Island (Dawson) ; 
Labrador and Maine, Greenland, Iceland, Scandinavia and 
Finmark, Britain (North), Brittany.] 
Family Bicellariide. 
Buauta, Oken. 
Bugula avicularia, Linneus. 
Houston Stewart Channel, 8-20 fms.; Virago Sound, 
8-15 fms. [Spitzbergen, Britain, Adriatic, Australia.] 
Bugula Murrayana (normal), Johnston. 
Houston Stewart Channel, in shell; Virago Sound. [Van- 
couver Island (Dawson) ; Britain (chiefly north), Scandinavia, 
Spitzbergen, Barents Sea, Greenland, Labrador, Gulf of St. 
Lawrence, New England. | 
Family Cellariide. 
CELLARIA, Lamouroux (part.). 
Cellaria borealis, Busk. 
Virago Sound. Off Cumshewa Harbour; Houston Stew- 
art Channel. Abundant and very fine. [West Greenland, 
6-10 fms. | 
The internodes in this fine and characteristic species ex- 
pand regularly from the base upward, and are often of very 
considerable width above. ‘The specimens from the Queen 
Charlotte Islands are in some cases very large, attaining a 
height of more than 23 inches. 
Cellaria mandibulata, n. sp. 
Zoarium slender, irregularly branched; the internodes at- 
tenuated at the base, joimts black. Zocecva contigyous in the 
same line, bluntly pointed or rounded above, the margin 
trending outwards to about the middle, and from this point 
