260 Annals of the Carnegie Museum. 



India, 1876, p. 656, PI. CLXIX, Fig. i; Burma; China. — Gunther, Ann. 



Mus. St. Petersburg, 1896, p. 219; Kansu; Sze-chuen. — Regan, Ann. Mag. 



Nat. Hist. (7), XIII, 1904, p. 194; Yunnan. 

 1803. Unibranchapertiira Icevis Lacepede, Hist. Nat. Poiss., V, p. 658, PI. XVII, 



Fig. 3- 

 1846. Monopterus lends Richardson, Voy. Sulph., Ichth., p. 116; Hongkong. 



1845. Ophicardia pharyriana McClelland, Calcutta Journ. Nat. Hist., Y, pp. 

 191, 218, PI. XII, Fig. i; River Ganges. 



1846. Monopterus cinereus Richardson, Voy. Sulph. Ichth., p. 117, PI. LII, Figs. 

 1-6; Chusan; Woosung. 



1846. Monopterus (?) xanthognathns Richardson, Voy. Sulph. Ichth., p. 118, PI. 



LII, Fig. 7; Canton. 

 1846. Monopterus marmoralus Rich.\rdson, Ichthyol. China, p. 315; Chusan. 

 1846. Monopterus helvolus Richardson, Ichthyol. China, p. 316; Canton. 

 1855. Aptcrigia saccogularis Basilewsky, Nouv. Mem. See. Nat. Mosc, X, p. 247, 



PI. II, Fig. 2; Tschili. 

 1855. Apterigia Jtigromaculata B.\sile\vsky, I.e., p. 248, PI. II, Fig. 2; Peking. 

 1855. Apterigia immaculata Basilewsky, I.e., p. 248; Peking. 

 1897. Monopterus albus Rutter, Proc. Acad. Nat. Sc. Philad., p. 61; Swatow. — - 



Jordan & Snyder, Proc. U. S. Nat. Mus., XXIII, p. 838; Okinawa; Amami- 



Oshima. — Jordan & Everm.^nn, Proc. U. S. Nat. Mus., XXV, 1903, p. 324; 



Hokota, Formosa. — Jordan & Richardson, Mem. Carneg. Mus., IV, 1909, 



p. 171; Hokoto. — Jordan & Metz, Mem. Carneg. Mus., VI, 1913; No. 2. 



p. 24; Suigen, Corea. — Jordan, Snyder & T.\n.\ka, Journ. Coll. Sci. Tokyo, 



XXXIII, 1913, p. 76; Corea; Japan; Riukiu. 



Head 10.17 i" total length, its depth greater than that of the body, 

 1.66 in its length; depth 20.33 in total length; tail 3.5 in the length of 

 body; snout 5 in head; interorbital space 6. 



Body elongate, compressed, tapering towards the tip of tail, greatest 

 diameter at the occiput, dorsal profile ascending suddenly at the nape 

 and descending slowly to the tip of snout; cross-section of the body 

 oval; head sw^ollen; throat pouch-like; snout rather short, compressed, 

 pointed anteriorly; lips broad and fleshy; maxillaries contained twice 

 in head; teeth on both jaws granular, forming a band tapering towards 

 the angle of mouth; palatine and vomerine teeth granular, forming two 

 bands parallel to the former, lower jaw with corresponding bands of 

 granular teeth along the inner side of the outer teeth; eyes very small, 

 eight times in head and covered by thin skin; nostrils very small, 

 separated, one in front of eye above, the other on the extremity of the 

 snout; gill-openings inferior, confluent into a \'entral slit; branchial 

 arches three. 



Dorsal fin very low, membranous, commencing abo\'e the \ent, 

 hind part reaching to tip of tail; anal fin indistinct, about half as long 

 as the dorsal; no pectorals and ventrals; tail short and jiointed. 



