Plate II. 



Fig. 10. Stylaster rose-us; front surface of a fragment of a colony with female ampullae; "Ingolf" St. 15. 

 Nat. size, 

 n. Stylaster rose/is; fragment of a colony which is entirely deformed owing to the development 

 of numerous female ampullae; "Ingolf" St. 7. Nat. size. 



— 12. Stylaster norvegicus; one of the type specimens of Gunner us' Millcpora norvegica from 



west coast of Norway. Nat. size. 



— 13. Stylaster norvegicus; front surface of a narrow-branched colony from Trondhjem Fjord. Nat. size. 



— 14. — hind surface of the same colon}'. Nat. size. 



— 15. front surface of a broad-branched colony from Trondhjem Fjord. Nat. size. 



— 16. geinniasccns; ends of two branches of a colony from Trondhjem Fjord. 4/ t . 



— 17. roseus\ end of a branch of a colony from "Ingolf" St. 15. */ z . 



— 18. norvegicus; ends of two branches of a colony from Trondhjem Fjord. 4 ,. 



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2 1" 





