JORDAN AND RICHARDSON: FISHES OF THE ISLAND OF FORMOSA 171 
Family MONOPTERIDZ. 
54. Monopterus albus Zuieuw. 
Hokoto (Jordan & Evermann). 
Family ANGUILLID. 
55. Anguilla sinensis McClelland. 
Seven specimens, thirteen to sixteen inches long, from Takao. Taihoku (Jor- 
dan & Evermann). 
56. Anguilla manilensis (Bleeker). 
Kotosho, Jordan & Evermann. 
57. Anguilla mauritiana Bennett. 
Kotosho, Jordan & Evermann. 
58. Anguilla remifera Jordan & Evermann. 
Hokoto (Jordan & Eyermann). 
Fia. 8. Anguilla remifera J. & E. (After Jordan & Evermann, Proc. U. 8. N. M., Vol. 25, p. 325.) 
Family LEPTOCEPHALID. 
59. Leptocephalus anagoides (Bleeker). 
(Native name Tsoan.) 
Eleven specimens from Takao six to eleven inches long. ‘This species seems to 
differ clearly, though slightly, from Leptocephalus (Congrellus) anago (Schlegel) in 
the more anterior insertion of the dorsal (in front of base of pectoral), darker color 
about head, especially on under side, broader black margin on dorsal and anal, and 
reduction in size, or absence, of the white tip of the tail. 
60. Leptocephalus ectenurus sp. nov. (Plate LXVI, lower figure.) 
Head 1.25 to 1.3 in trunk; head and trunk 1.9 to 2.12 in total length; tail 
