FISHES OF THE PHILIPPINE ISLANDS AND ADJACENT SEAS 513 



Antaceus Heckel and Fitzinger, Ann. Wiener Mus., vol. 1, pp. 269, 293, 1836. 

 (Type, Acipenser schypa Giildenstadt). 



Lioniscus Heckel and Fitzinuer, op. cit., p. 370. (Type, Acipenser glahcr 

 Fitzinger.) 



Schipa Brandt, Bull. Acad. Sci. Petersburg, vol. 7, p. 113, 1850. (Type, Acipen- 

 ser schypa Giildenstadt.) 



Sinostnrio Jaekel, Mon. Geol. Palaeont., vol. 3, text-fig. 25, 1929. (Type, 

 Acipenser dahryanus Dum^ril.) 



Snout mostly depressed below level of forehead, partly conic. 

 Lower lip developed only at mouth corners. Gills rather small, nar- 

 row, slender. Pseudobranchiae small. Small spiracle above eye. 

 Caudal peduncle deeper than wide, rather short, incompletely 

 armored and rows of bony plates distinct to base of caudal fin. Tail 

 not produced as filament, its tip surrounded by caudal rays. 



Over 20 species known. Other more northern species in the 

 Pacific are as follows: 



ACIPENSER DAURICUS Georgi 



Acipenser dauricus Geokgi, Roise im Russ. Reich., vol. 1, p. 352, 1775 (type lo- 

 cality: Amur; Argun; Schilka ; Onon). — Heckel and Fitzinger, Ann. 

 Wiener Mus., vol. 1, p. 318, 1836 (copied). 



Acipenser (.^tcrJetus) dauricus Dum^ril, His. Nat. Poiss., Ganoides, vol. 2, p. 

 259, 1870 (part). 



Huso dauricus Bonaparte, Cat. Metod. Pesci Europei, p. 22, 1846 (reference). — 

 Berg, Zapislji Acad. Sci. St. Petersbourg, vol. 24, p. 16, 1909 (Nilfolajevrsk, 

 Onon R. 30 km. from Tschindinty, mouth of Amur R., Cape Naleo, Ussuri) ; 

 Faune Russie Poiss., vol. 1, p. 146, pi. 4, 1911 (same material). — Soldatov 

 and LiNDBERG, Bull. Pacific Sci. Fisher. Inst., vol. 5, p. 30, figs. 5-6, 1980 

 (Far East seas). — Takanetz, Bull. Pacific Sci. Inst. Fisher. Oceanogr., vol. 

 11, p. 53, fig. 30, 1937 (head below). 



Acipenser oricH talis Pallas, Zoogr. Rosso-Asiat., vol. 3, p. 107, 1811 (on Georgi 

 and Steller).— Maack, Travels in Amur, p. 28, 1859 (Schilka at Nert- 

 schinsk, Onon) ; Travels in Ussuri, p. 201, 1861 (Ussuri, Sungatschin, 

 Lake Hanka). 



Huso orientalis Dtbowski, Verb, zool.-bot. Gesell. Wien, vol. 22, p. 218, 1872 

 (Amur, Argun, Onon, Ussuri, Sungatschi, Lake Hanka) ; Rep. St. Peters- 

 bourg. Dep. Imp. Russ. Geogr. Soc, vol. 8, p. 23, 1877 (Amur, Argun, Onon). 



Acipenser kaluschka (Steller) Heckel and Fitzinger, Ann. Wiener Mus., vol. 

 1, p. 318, 1836 (name in synonymy). 



Acipenser mantschuricus Basilewsky, Nouv. Mem. Soc. Imp. Nat. Moscou, vol. 

 10, p. 250, 1855 (type locality: Amur). 



ACIPENSER SCHRENCKI Brandt 



Acipenser schrencki Brandt, M^lang. Biol. Soc. Acad. Sci. St. Petersbourg, vol. 

 7, p. 115, 1869 (type locality: Amur River and larger tributaries).-— 

 Berg, Zapiski Acad. Sci. St. Petersbourg, vol. 24, p. 20, 1909 (Nikolajewsk, 

 Ussuri, Amur River mouth near Cape Maleo, 2 km. below Chor River 

 mouth) ; Faune Russie, Poiss., vol. 1, p. 274, pi. 8, fig. 2, 1911 (above lo- 

 calities ) .—Soldatov and LiNDBERG, Bull. Pacific Sci. Fisher. Inst., vol. 5, 

 p. 31, figs. 7-8, 1930 (Far Bast seas).— Tabanetz, Bull. Pacific Sci. Inst. 

 Fisher. Oceanogr., vol. 11, p. 53 (reference), 1937. 



