TRANSACTIONS 



OF THE 



SAPPORO NATURAL HISTORY SOCIETY. 



FOUNDED IN 1891. 



VOL. X. 



With two Plates. 



Bj •?& r. + ng ^ ^J Ä 



11 + ^ 



|g US ^ tfc PM 



^i m n m m ^ ^ ^"f 



BS #0 = ^— BS #n Eg ^ 



Published by the Sapporo Natural History Society, 



SAPPORO, JAPAN. 



1928—1929. 



