HYUROIDA II 



47 



ioo rn. ^ 6 oo m. »._..^._(ooom. 2000 m 



Fig. XVIII. The distribution of Haleaum miii icatnm (forma abyssalh -j- I in the Northern Atlantic. 

 In the liatched reji^ons the Hterature notes a common, although scattered occurrence. 



J 00 m. 



Fig. XIX. The occurrence of Halecium labrosum in the Northern Atlantic. 

 In the hatched parts the occurrence according to hterature is scattered, no accurate details as to localities are given. 



