[327] THE BRYOZOA 235 



MYRIOZOUM Donati. 



MYRIOZOUM COARCTATUM Sars. 

 Myriozoum coarctatum SMITT ('67), pi. xxv, fig. 92. 



Local distribution. Juneau ; Orca ; Yakutat ; Cumshewa Harbor, 

 Houston-Stewart Channel, Queen Charlotte Islands. 



Foreign distribution. Norway; Finmark ; Hammerfest; Komag- 

 fyord. 



MYRIOZOUM CRUSTACEUM Smitt. 

 Myriozoum crustaceum SMITT ('67), pi. xxv, figs. 88-91. 



Habitat. Incrusting ascidians, shells, and M. coarctatum. Abun- 

 dant. 



Local distribution. Juneau ; Orca ; Yakutat ; Kadiak. 



Geographical distribution. Common in the Arctic regions ; Fin- 

 mark ; Spitzbergen ; East Greenland. 



Family ESCHARID^E. 

 LEPRALIA Johnston. 



LEPRALIA FOLIACEA Ellis & Solander. 

 Lepralia foliacea HINCKS ('80), pi. XLVII, figs. 1-4. 



Local distribution. Juneau. 



Foreign distribution. Southern coasts of Britain ; Hebrides, most 

 northern locality; Mediterranean; Adriatic; Algiers; Roscoff; 

 Naples ; Cape of Good Hope ; Indian Ocean. 



SMITTIA Hincks. 

 SMITTIA TRISPINOSA Johnston. 



Smittia trispinosa HINCKS ('80), pi. XLIX, figs. 1-8. 

 Escharella jacotini SMITT ('67), pi. xxiv, figs. 53-57. 



Habitat. On shell and stone. 



Local distribution. Sitka; Juneau; Houston- Stewart Channel, 

 Cumshewa Harbor, Virago Sound, Queen Charlotte Islands. 



Foreign distribution. Common on the coast of Britain ; Norway ; 

 Arctic seas ; Gulf of St. Lawrence ; Florida ; Mazatlan ; Cape Horn ; 

 Aden ; Adriatic ; East Indies ; Bass Straits. 



Family CELLEPORIDJE. 



CELLEPORA (part) Fabricius. 



CELLEPORA INCRASSATA Lamarck. 



Habitat. Incrusting Cettaria borealis. The branched form also 

 found. 



