10 C. McLEiAN FRASEE 



idee itself, Campanularia verticillata and Ohelia dichotoma ap- 

 pear at the greatest number of points in quantity. Next to Obelia 

 geniculata, they have the widest general distribution of any 

 species found on the West Coast, but Ohelia geniculata has been 

 reported only from the California Coast on the West, up to the 

 present time. Campanularia voluhilis is also quite common. 

 Among the Campanulinidce, a family represented by very few 

 species, Calycella pygmcea and Calycella syringa are the only 

 widely-distributed forms. No equal area so little investigated as 

 far as I have been able to find out, possesses so great a variety 

 in the Family Halecidce, which with the exception of Dr. Tor- 

 rey's one species, Campalecium medusiferum, is restricted to one 

 genus. 18 species are reported, 11 of which are found in the 

 Vancouver Island Region. Only 6 have been reported elsewhere 

 and strangely enough 3 of these are from the Australian Region. 

 In the Lafocidce 3 species of Lafcea, dinnosa, graciUima, and fruti- 

 cosa are particularly abundant, but they are all cosmopolitan 

 forms. As far as mass of material is concerned, these three spe- 

 cies supply a greater amount than any other three species on the 

 Coast. 



The number of Campanularians is quite extensive. The col- 

 onies of many of them are large and much branched so that they 

 are easily detected. More of them are very small, even micro- 

 scopic, but they use the other larger colonies of Hydroids for 

 their hosts and thus are collected with them. The distribution 

 of the group differs from the Gymnoblastic group, the centre of 

 distribution being moved to the northward. Of the 78 species 

 found along the Coast, 68 or 87% are found in the Vancouver 

 Island Region or north of it, while only 38 or 48% have been 

 reported to the south. 48 species are restricted to Vancouver 

 Island Region and the north, 13 of these to the north of Van- 

 couver Island alone, and only 10 are restricted to the south. 55 

 are found in the Vancouver Island Region, 70% of the whole 

 number. 36 or 46% are circumpolar. 



In the Sertularidce, Abietinaria ahictina and Sertularella tri- 

 cuspidata, here as in general distribution, cannot be approached 

 for number by any other species; Abietinaria variabilis, Abietin- 

 aria ampliora, Abietinaria anguina and Abietinaria traski, the 

 last three being restricted to the Coast, have a wide range. 8e- 

 laginopsis cylindrica, Selaginopsis mirabilis, Thuiaria dalli and 



