1 66 i"'i B1-V 'iR 111 U tt Pt fl- ^li 



J^fHSJrfcffif'lSg East Siberia 86 ^ 



r A - /v^ fffiffl» Amur, Manchuria 78 Iff 



^t*» r?^-* j^_ America. Araska. (incl. Aleutian) 75 ft 

 7 y t^ 'y T ^M© 

 ;ßn M f^ fln Kamtschatka 69 |f 



f^ iSf. Korea 62 @ 



W '&\\ Europe 62 ^ 



-< - y >'i5'" Behring 32 i@. 



WH, 7Ml47°/»^t^'i^» T^x^.T'J'^xTvE^. 75 1145?^ ^n(c^2i;^n 

 ii^jQ 69 if! 40.89^ mh'^Rt^wm 62 ?i 37- "/o znv^^H' b o 



J&}tSfelS Miyabe (12) The Flora of the Kurile island. (1890) p. 212. CD^f^lcl^ 



-ca< 



"From these observ.-ition, I agree with Profeisor Milne in the opinion that at the time of the last great 

 southerly migration of the rich polar flora, Japan received her portion mostly through the island of 

 Saghaliii, and but little, if any. throu;^h the then uncompleted chain of the Kurile Island." 



Takeda ([3) The Flora of the Island of Shikotan. (1914.) p. 445. tCM-C^^fri1f:± 



If so, how could one explain the occurrence of those plants : — 



I, Stellaria ruscifolia, 2. Geum calthifolium, 3, Erigeron salsuginosus, 4. Arnica unalaschkensis, 

 S. Swertia tetrapetala, 6. Polygonum viviparum, 7. P. polymorphum, 8. Euphrasia mollis, 



