A PBELTMINARY NOTE ON THE FISHES OF LAKE BIWA. 12S 



Fig 1. ^l. n. size. 



^M/i_'r? 



Fig. 2. c^I. n. size. 



Fig. 8. -^II. n. size. 



In fig. -2, which represents the anal fin of our largest male in its 

 natural size, the third simple ray is only a little over half as long as the 

 first branched ray which again is not the longest ray of the fin, but is 



