TRANSACTIONS 



OF THE 



SAPPORO NATURAL HISTORY SOCIETY. 



FOUNDED IN 1891. 



VOL. VI. Pt. 3. 



*L m n 4^ P # # 



i^ v^ zi + K ^ iij jt 



M Av ^ H H si 



ft K 1« ^ * # PP fi 



:^ JE 7^C ^ 31 ^ 



Published by the Sapporo Natural History Society. 



SAPPORO, JAPAN. 



MAY, 1917. 



