A REVIEW OF THE SPECIES OF THE TEN-SPINED STICKLE- 

 BACKS OR rY(;OSTEnS FROM EAST ASIA. 



By Leo Berg, 



Of the Zonloi/icdJ Miiftriuii of the IiiiperidI Acddeim/ af Seieiirrf:, Saint J'ctershnrg. 



In the present paper ;i review of the species of Pt/f/ost/'i/s- (Faniil}" 

 Gasterosteidpe) known to inhabit the waters of East Asia and .Tapan is 

 given. It is based on material in the Zoological Museum of the Impe- 

 rial Academy of Sciences iii St. Petersburg and specimens in the U. S. 

 National Museum. 



I. PYGOSTEUS PUNGITIUSi Linnaeus). 



fiasterarcmtJiuK jyangiiius Pallas, Zoogr. Rosso- Asiat., Ill, 1811, p. 22S (Kam- 

 chatka, sea of Okhotsk). 



Gasterosteus pungitius hrachi/podd Bean, Proc. IT. S. Nat. Mas., IV (1S81), 1SS2, p. 

 240 (Alaska). 



Gasteronteus pungithis Nikolsky. Mem. Acad. Sci., Petersl)Tirg, I^X, 1889, sup. 

 No. 5, p. 292 (Sakhalin, river Tym, No. 6592, Siska). 



ftasterosteus jmngitius Herzensteij^ and Warpachowski, Trud. Soc. Nat. Peters- 

 burg, XIX, 1887, p. 16 (Amur, atKalgho; No. 2362 ex jjarte, another speci- 

 men = P. sinensis). 



Pygosteus pimgUius J ORDAIN and Gilbert, Fish. Bering Sea, 1899, p. 444 (Petro- 

 paulski Hai'bor, lake near Tareinsky Bay). 



We have specimens from mouths of the Yana River (No. 1020-1 coll. 

 Bunge); Kolyma River, Verkhne-Kolymsk (Nos. lO-tlO, 10072 coll.. 

 Czerski); Sea of Okhotsk (No. 13!»3 coll., Middendorfl), Ajan (Sea of 

 Okhotsk, No. 2381 coll., Wosnessensky); west coast of Kamchatka (No. 

 2385 coll., Wosnessensky); Avacha Bay (Petropaulski, Kamchatka, No. 



2362 coll., Schrenck); Alaska (No. 2402 coll., Russ.-Amer. Company); 

 Sitka (No. 2390 coll., Wosnessensky); Amur River at Kalgho (No. 



2363 coll., Schrenck); Tjmu River and Siska River in Sakhalin (No. 

 6.591-2, 65S8 coll., Poljakow); Japan, Hakodate (No. 2307 coll., Max- 

 imovicz). Messrs. Jordan and Starks" do not indicate tliis species for 

 Japan, flapanese specimens differ in no respect from European. A 

 circumpolar species: I have seen P. punc/itttt.s from Khatanga, 

 Pechora, Archangelsk, Lapland. 



«Proc. U. S. Nat. Mus., XXVI, 1902, p. 61. 



Proceedings U. S. National Museum, Vol. XXXII— No. 1536. 



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