ßQ 



Vol. XLIIL, Art. 1.— K. Yendo : 



ally interesting when we refer to the debate of Börgesen v. s. v, 

 PoRSiLD and Simmons concerning the characters of the marine flora 

 of the Faeroes. But there seems no need to reopen tins discussion. 

 The following table is prepared after consulting the former 

 records to show tlie distribution of the 15 species. The reader 

 has to be cautioned that in the species of Alaria there are yet 

 uncertain points regarding their exact limitations. 



The observations on the nature of the Baltic Sea and the 

 Japan Sea relating to Alaria lead us to think about the center of 

 distribution of the genus. From the above table showing the dis- 

 tribution of the species, considered together with the nature of the 

 currents which wash the localities, we are able to safely state that 

 the localities are directly or indirectly washed by the Arctic waters. 



