Ou the Cretaceous Flora of Eiissiau Sakhaliu. 73 



Contents. 



PAGE 



I. Introduction , 1 



II. Geological sketch of the " Coal Mining District." 6 



III. Cretaceous Floras of Sakhalin 13 



1 . The Orokkian Flora 15 



2. The Gyliakian Flora Ig 



o. The xVinuan Flora 20 



4. Relation of the Creiaceous and Tei-tiary Floras of Sakhalin. 22 



5. Relation between the Cretaceous Floras of Sakhalin and Japan. 22 

 IV". The Cretaceous in Russian Sakhaliu as coal-bearing strata 24 



V. Summary 25 



VI. Systematic Paleobotany 27 



Literature (33 



Published April 15th, 1918. 



