582 PROCEEDINGS OF THE NATIONAL MUSEUM. voi..xxiv, 
7. SALVELINUS KUNDSCHA (Pallas). 
AMEMASU (RAIN SALMON); KUNDSCHA. 
Salmo kundscha Pallas, Zoogr. Rosso. Asiat., Ill, 1811, p. 250; Kamchatka. — 
Jordan and Gilbert, Rept. U. S. Fur Seal Comm., Ill, 1898, p. 438, \A. xlv; 
Petropaulsky. 
Salvelinus kundscha Jordan and Evermann, Fish. N. and M. Amer., Ill, 1898, 
p. 2823; Petropaulsky, Tareinsky. 
Salmo leucomienis Pallas, Zoogr. Rosso. Asiat., Ill, 1811, p. 250; Kamchatka. — 
Brevoort, Exped. Japan, p. 276, pi. x, fig. 3; Hakodate. — Steindachner, 
Sitzber, Ak. Wiss. Wien, 1870, p. 15; Decastris Bay. — Ishikawa, Prel. Cat., 
1897, p. 21; Shiribeshi, Hokkaido. 
6'aZmo cu?"i/«s Pallas, Zoogr. Rosso. Asiat., Ill, 1811, p. 251; Kurile Islands. 
Head -i^ in length; depth 4i; depth of caudal peduncle 2f in 
head; eye 5; interorbital space 2^; snout 3^; maxillary 2; D. 11; 
A. 10; scales in lateral series 210, in transverse series 35 + 40, Maxil- 
lary projecting- beyond eye, opercles very convex posteriorly; teeth 
on jaws and palatines weak, those of vomer restricted to a small ante- 
rior patch; branchiostegals 13; gill-rakers on first arch 5 + 10, rather 
long, compressed. Height of dorsal 1^ in head; caudal rather deeply 
forked, its length l^V in head; highest anal ray 1| in head; ventral 
appendage small, about one-third the length of fin. Body dark aboA'e, 
the spots on sides somewhat larger than pupil, arranged in 3 more or 
less distinct rows; dorsal and caudal dusky, without spots, the latter 
narrowly tipped with black; anal, ventrals, and pectorals white, the 
paired fins dusky above. 
This species, common in the streams of Kamchatka, is occasionally 
taken in northern Japan. We have one fine specimen about 300 milli- 
meters long, from Nemuro, the northernmost point in Hokkaido, pre- 
sented by the museum of Sapporo. Another from Iturup Island was 
examined in the museum of Hakodate. A specimen from Shinbeshi 
is in the Imperial Museum. 
8. SALVELINUS PLUVIUS Hilgendorf. 
AMENOUWO (RAIN FISH); IWANA (ROCKLING); OSOROKOMA; 
TOKOSISU. 
/S'oZmo jLfZuOTMS Hilgendorf, Monatsber, Ges. Ostasien, 1876, p. 25; Nikko. — Ishi- 
kawa, Prel. Cat., 1897, p. 21; Iturup, Tokazu, Aomori, Kodzuke, Kiso, 
Chichibu, Kaga, Kamo R. 
Head 4 in length; depth li; depth of caudal peduncle 2^ in head; 
eye 5^; snout 3f ; interorbital space 3i; maxillary If; D. 10; A. 9; 
scales in lateral series 200, in transverse series 11+11; pores in lateral 
line 124. Head rather short, blunt, the interorbital space broad and 
convex; mouth large, the maxillary extending past eye a distance equal 
to diameter of pupil. Teeth on jaws weak, a single row on the pala- 
tines, a small cluster on anterior part of vomer, none on the shaft; 
teeth on the tongue in 2 rows, somewhat stronger than those of the 
