254 



S. TANAKA : 



58. Limanda aspera (Pallas). 



Four specimens from Nay oro (June 18). 

 D. 68 ; A. 52 to 53 ; P. 12 to 13 ; V. 6. 



59. Limanda iridorum Jordan and Starks. 



One specimen from Lake Chipesani (Aug. 23). 



60. Pleuronectes quadrituberculatus Pallas. 



Loc. Jap. name : Ishi karei. 



Two specimens from Korsakoff (Aug. 20). 



61. Liopsetta pinnifasciata (Kner). 



Numerous specimens from Lososei Bay (May 25 ; June 16) and 

 Lake Busse (Aug. 9). 



D. 57 or 61 to 63 ; A. I, 41 or 45 to 47. 



62. Platichthys stellatus (Pallas). 



Loc. Jap. name : Same karei. 



Numerous specimens from Chipesani (Aug. 6, Aug. 23), Lake Busse 

 (Aug. 9; Aug. 31), mouth of the Susuya River (May 1 5) and Nayoro 

 (June 18). 



D. 56 ; A. 41 to 42. 



63. Microstomia stellen Schmidt. 



Loc. Jap. name : Yanagida karei. 



Three specimens from Korsakoff (Aug. 20). 

 D. 89 or 93 ; A. 76 or 81 ; P. 12 ; V. 6. 



Explanation of Pl. IX. 



Figs, f, 2. Porocottus nigrescens, n. sp. 



About f natural size. 

 Figs. 3, 4. Porocottus ijimai, n. sp. 



Male (type). About jj natural size. 



