438 
Genus Monopterus Lacepede 
Monopterus LACEPEDE, Hist. Wat. Poiss, vol. 2, 1800, p. 
139. Type Monopterus j avanensls LACEPEDE, monotypic. 
( Monopterus VOLTA, 1796 in fossil fishes a different 
name). Pluta SCHNEIDER, Syst. Ichth. Bloch, 1801, p. 
561. Type Monopterus javanois LAClJPElDE* 
Ophlcardla MC CLELLAND, Calcutta Journ, N a t. Hist., vol. 
5, 1844, p. 191* Type Ophlcardla phyarlana MC CLELLAND, 
monotypic• 
Apterigia BASILEWSKY, f(ouv. M4m. Soc. Nat. Moscow, vol. 10, 
1855, p. 247. Type Apterigia saccogularis BASILEWSKY, 
designated by JORDAN, Genera of Pishes, pt. 2, 1919, p. 
263. (Versus Apterygia GRAY, 1833.) 
Unlpertura (KAUP) DUMERIL, Mem. Acad. Sci. Paris, vol. 27, 
1856, p. 201. Type Unibranchlapertura laevls LACEPEDE, 
monotypic. 
Cryptophthalmus (not RAPINESQUE 1812) FRANZ, AbhartML• Kfcn. 
Bayer. Akad. Wiss., Math. Phys. -- Kl., vol. 4, Suppl. 
Band 1, 1910 (1911), p. 15. Type Cryptophthalmus 
gobustus FRANZ, monotypic. 
Unagius JORDAN, Proc. Acad. Nat. Sci. Philadelphia, 1918, 
p. 343. Type Cryptophthalmus robustus FRANZ, virtually. 
Unagius JORDAN proposed to replace Cryptophthalmus 
PRANZ. 
