224 ROBERTSON 



The only work which has heretofore been published on the 

 Bryozoa of Alaska waters is that of Mr. Hincks in the report 

 on the Polyzoa of Queen Charlotte Islands ('82-'84). Many 

 species are common to Alaska, Queen Charlotte Islands, Puget 

 Sound, and California, and under local distribution I have in- 

 cluded all the localities on the western coast of North America, 

 where I know, either from personal knowledge, or on the au- 

 thority of others, that a particular species exists. 



Class BRYOZOA Ehrenberg. 



Group ECTOPROCTA Nitsche. 



Order GYMNOL^MATA Allman. 



Suborder CHEILOSTOMATA Busk. 



Family EUCRA 



GEMELLARIA Savigny. 

 GEMELLARIA LORICATA Linnaeus. 



Gemellaria loricata HINCKS (*8o), pi. in, figs. 1-4. 

 Gemellaria loricata SMITT ('67), pi. xvn, fig. 54. 



Habitat. Very abundant on the rocks at low tide. 



Local distribution. Juneau, 20 fins. ; Orca, Prince William 

 Sound; Yakutat; Virago Sound, Queen Charlotte Islands. 



Foreign distribution. Scandinavia; Spitzbergen, 3-10 f ms. ; 

 Greenland ; Hammerfest ; Havosund ; Labrador ; St. George Banks, 

 50-85 fms. ; White Sea ; Ostend ; Britain, from littoral region to deep 

 water, 80 fms. 



Family CELLULARIID^. 



MENIPEA Lamouroux. 

 MENIPEA TERNATA Ellis & Solander. 



Menipea ternata HINCKS ('80), pi. vi, figs. 1-4. 

 Cellularia ternata SMITT ('67), pi. xvi, figs. 10-14. 



Habitat. In considerable quantity growing with Bugula upon 

 Styela and upon the rocks. 



Local distribution. Yakutat, Puget Sound ; Virago Sound, Queen 

 Charlotte Islands. 



Foreign distribution. Spitzbergen, chiefly in the littoral region ; 

 Hammerfest; I^/foten; White Sea; Jutland, 10 fms.; Belgium; 

 Great Britain. 



