850 PROCEEDINGS OF THE NATIONAL MUSFAJM. vol.xxiii. 



dorsal and anal blackish, with a jet-black margin; lateral line blackish, 

 with a row of whitish dots, like pin pricks, its whole length; about 38 

 before vent; cross-series of pores on nape not evident; pectoral dusky 

 with a whitish edge behind and below: no white spots on back; no 

 white on tail. 



Described from a specimen 19^ inches long, obtained at Misaki. 

 Type No. iS4:Q<6^ Leland Stanford Junior University Museunj. 



We refer to this species a large specimen also from Mi'saki, having 

 the dorsal inserted farther backward. Head, 1| in trunk; head and 

 trunk, 1^ in tail; cleft of mouth extending to just beyond pupil, 2f in 

 head; snout, 3f in head; eye, 1| in snout; pectoral, 3 in head, the 

 dorsal beginning well behind its tip; distance from front of dorsal to 

 gill opening, If in head. 



Color black; fins all blackish, the dorsal and anal broadly edged 

 with black. 



Another specimen 2 feet 7 inches long, from Misaki. 



Fig. 3.— LEPTOCEPHAI.rs KREBESSfS. 



Still another specimen, doubtless of the same species, differs equally 

 in measurements: 



Head If in trunk: head and trunk If in tail; lower jaw not much 

 shortened; snout rather sharp, 4i in head; eye If in snout; mouth 

 rather large, the maxillary 2^ in head, extending nearly to opposite 

 ])osteri<)r boi-der of eye; pectoral pointed, 3^ in head; dorsal inserted 

 v(>ry slightly behind its tip; distance from gill opening to front of 

 doi'sal If in head; dorsal and anal moderate. 



Color \'erv dark, almost black; lateral line, a continuous sti'cak, with 

 niinut(>. whitish, wide-set pores, like pin pricks, about 45 before vent; 

 no pale spots; cross series of pores on back of head very miiuite; 

 pectorals black, with a pale edge below: dorsal and anal dusky, with 

 a broad black margin; no white on tail. 



This specimen, taken at Misaki, is 14 inches long. This species is 

 known to fishermen as Kanakiukumgo or Dal)uin<ina</o. It is nearest 

 Lrptoccphahis conger, the common Conger eel of the Atlantic, but 

 differs in some regards. In LeptocephaJ u x congrr (specimen 1880, Stan- 

 ford Museum, fi'om Beaufort, North Carolina) there is a distinct cross 

 streak of line pale pores across occiput; there are 42 pores before vent; 



