TRANSACTIONS 



OF THE 



SAPPORO NATURAL HISTORY SOCIETY. 



FOUNDED IN 1891. 



VOL. VI. Pt. 3. 



*L iPI t* *t^ p # # 



BJ VÖ - + izg ¥ fij Ä 



M /v ^ H H 5^ 



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^ jE 7^: ^ ai fl 



Published by the Sapporo Naturai. History Society. 



SAPPORO, JAPAN. 



MAY, 1917. 



