[327] THE BRYOZOA 235 



MYRIOZOUM Donati. 



MYRIOZOUM COARCTATUM Sars. 

 Myriozoum coarctahim Smitt ('67), pi. xxv, fig. 92. 



Local dutribution. — Juneau ; Orca ; Yakutat ; Cumshewa Harbor, 

 Houston- Stewart Channel, Qiieen 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 distribiition. — Common in the Arctic regions; Fin- 

 mark; Spitzbergen ; East Greenland. 



Family ESCIIARID^. 



LEPRALIA Johnston. 



LEPRALIA FOLIACEA Ellis & Solander. 

 Lepralia foliacea Hincks ('80), pi. XLVli, figs. 1-4. 



Local distributio7i. — 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, Qiieen Charlotte Islands. 



Foreign distributio7i. — Common on the coast of Britain ; Norway ; 

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

 Aden ; Adriatic ; East Indies ; Bass Straits. 



Family CELLEPORID^. 

 CELLEPORA (part) Fabricius. 

 CELLEPORA INCRASSATA Lamarck. 

 Habitat. — Incrusting Cellaria borealis. The branched form also 

 fovmd. 



