190 ip o s t e I s i a 



as are able to accommodate themselves 

 to the comparatively cold water make 

 up the principal population. There are 

 several indigenous plants known from this 

 region, but not a very large number. 



2. From Ojika peninsula to the 

 north. 



This district, although influenced by 

 the minor branch of the warm current, 

 is dominated by the arctic stream com- 

 ing down the Siberian coast, and the 

 whole aspect of the marine vegetation 

 is similar to that of the eastern shores 

 of Yesso. For example, Agarum tur- 

 neri, Costaria turneri, Amphiroa creta- 

 cea and Pelvetia (Fucus) wrightii may 

 be found along the coast from the 

 vicinity of Hakodate all the way to 

 Saghalin island. Laminaria and Alaria 

 also flourish here, but Arthrolhamnus, 

 Thalassiophylhim and Constantinea have 

 not hitherto been reported from this 



