THE BRYOZOA 327 



MYRIOZOUM Donati. 



MYRIOZOUM COARCTATUM Sars. 

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



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

 Houston-Stewart Channel, Qiieen Charlotte Islands. 



Foreign distribution. — Norway; Finmark ; Hammerfest; Komag- 



fyord. 



MYRIOZOUM CRUSTACEUM Smitt. 



Myriozoum crustacewn Smitt {^(^'i^t pl- 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^. 



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 JacotitiiSuiTT l'6y), 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 CELLEPORIDyE. 



CELLEPORA (part) Fabricius. 



CELLEPORA INCRASSATA Lamarck. 



Habitat. — Incrusting Cellaria borealis. The branched form also 

 found. 



