264 Annals of the Carnegie Museum. 



1870. Angiiilla boslonensis Gunther {part.). Cat. Fish., VIII, p. 31; Japan; 



Formosa; China. — Gunther, Ann. Mag. Nat. Hist. (7), 1898, I, p. 263; 



Newchang. 

 1903. Anguilla remlfera Jordan & Evermann, Proc. U. S. Nat. Mus., XXV, p. 



325; Holoto, Formosa. 

 1909. Anguilla sinensis Jordan & Richardson (pari.), Mem. Carneg. Mus., IV, 



no. 4, p. 171; Takao, Formosa. 



Head 7.77 in the total length, 1.25 in the distance between gill- 

 opening and origin of the dorsal; 1.94 in the distance between tip of 

 snout and origin of the dorsal; distance between origins of dorsal and 

 anal shorter than head, contained 1.24 in the latter; distance between 

 tip of snout and origin of the dorsal 3.51 in total length; snout 5.09 

 in head; maxillary 3.1 1; pectoral 2.8; eye 2.2 in snout, 1.8 in inter- 

 orbital space; length of body in front of anus 2.23 in total length; 

 pre-anal part 1.72 in postanal part. 



Angle of mouth extending to the posterior margin of the orbit; 

 lips thick and fleshy; lower jaw slightly longer than the upper; teeth 

 on both jaws and palatines in villiform bands, palatine band slightly 

 longer and broader than that of maxillary, tapering posteriorly; 

 maxillary and mandibulary bands of teeth divided into two strips by a 

 distinct deep groove, outer strip with two rows of teeth, inner strip 

 somewhat broader than the outer, with two rows of teeth, in both 

 strips number of rows increases anteriorly and their arrangement 

 becomes irregular; nostrils separated, the anterior in a long tube, 

 situated near antero-lateral extremity of the snout, the pos.terior 

 nostril in front of eye, slit-like. 



Pectoral fins longer than broad, marginal end acutely rounded; 

 tip of the tail rounded. 



Body covered with rudimentary imbedded scales, linear in form, 

 arranged in small groups and placed obliquely at right angles to those 

 of neighboring groups; lateral line continuous, running along the middle 

 of the sides. 



Color in formalin brownish gray above, lower parts whitish; dorsal 

 and caudal fins disky; pectoral and anal fins whitish. 



Length of body 445 mm. 



Described from a specimen from Taihoku, collected by Oshima, 

 in February, 1917. 



Habitat: Very common in the fresh waters of Formosa. 



Remarks: After examining forty-seven individuals of the common 

 Formosan eel. Dr. Ishikawa expressed his belief that it is only a local 



