2 3 S 



S. TANAKA : 



scarcely practicable as was pointed out by Mr. Kitahara a) and later by 

 Dr. Jordan. b) 



A specimen, 8.6 cm. long without caudal, has brown ground color, 

 some 12 darker charr marks a little narrower than orbit and 4 or 5 rows of 

 clear-cut whitish spots much smaller than pupil, agreeing in these respects 

 with 6". mainici* as described by Jordan and Snyder. 



10. Salmo perryi Brevoort. 



Loc. Jap. name : Iwana uwo, Yamabe. 

 Numerous specimens from Vladimirofka (June 3 ; June 6) ; Troitskoe 

 (June 3) ; Tretiya Padj (June 17) ; Lake Chipesani (Aug. 16 ; Aug. 22). 



11. Hucho blackistoni (Hilgendorf). 



Loc. Jap. name : Ito. 

 Six specimens from the mouth of the Susuya River (May 15). 



Family Argentinidae. 



12. Osmerus dentex Steindachner. 



Loc. Jap. name : Kiuri. 



Numerous specimens from the mouth of the Susuya River (May 1 5), 

 Pervaya Padj (June 17) and Lososei Bay (May 23 ; June 15 ; June 19). 



13. Mesopus olidus (Pallas). 



Loc. Jap. name : Chika. 

 Numerous specimens from a point 25 hiro deep off Chipesani (July 

 28 ; Aug. 30), Lake Chipesani (July 28. Aug. 23), mouth of the Susuya 

 River (May 15 ; May 22) and Pervaya Padj (June 17). 



Specimen. 



A. 



B. 



C. 



D. 



D. 



9 



9 



10 



10 



A. 



19 



!7 



1 5 



18 



a) Kitahara, Ann. Z00Ì. Jap., vol. V, pt. Ill, 1904, p. 120. 



b) Jordan, Ann. Zoo\. Jap., vol V, pt. IV, 1905, pp, 161 — 162. 



c) Jordan and Snyder, Proc. U.S. Nat. Mus., vol. XXIV, 1902, pp. 583—584- 



