10 AXGUILLID.E. 



or beyond ; lower jaw projecting. Distance from end of snout to gill- 

 opening 3 to 3J times in distance from end of snout to vent. Tail longer 

 than body. Origin of dorsal above or slightly in advance of vent. 

 Pectoral 2^ to 4 times in distance from end of snout. Olive or dark 

 green above, yellowish or white beneath. Vertebrfe 105-109. 



Total length over 1 metre. 



Indian and South Pacific Oceans ; entering rivers of East Africa 

 and Natal. 



1. Hgr. Zanzibar. Sir L. Play fair (P.). 



2. Ad., stffd., typo of Soyclielles. „ 



A. amhlodon, 



3. Ad. „ Prof. E. P. Wright (P.). 



4. Ad. Praslin, Seychelles. Pro£. J. Stanley Gardiner (P.). 



5. Skcl. „ „ ,, 



6-8. Ad. Rodriguez. G. Gulliver, Esq. (P.). 



0. Hgr. L. Usilonde, Zululand. Dr. E. ^Varren (P.). 



2. SPHAGEBEANCHUS. 



Bloch, Schneid. Syst. Ichth. p. 535 (1801). 

 Sphar/ehranchiis, part., Kaiip, Cat. Apod. Fish. p. 24 (185G). 

 Ophicldhys, part., Giinth. Cat. Fish. viii. p. 54 (1870). 



Body much elongate, serpentiform, scaleless. Pectoral fins absent ; 

 dorsal and anal fins very feebly developed ; the pointed extremity of 

 the tail free. Mouth large, without lips ; jaws and palate witla small 

 pointed teeth ; nostrils tubular, both on the upper lip. Gill-openings 

 on the ventral side, separated by a narrow isthmus. 



Atlantic and Indian Oceans. One species from the rivers of West 

 Africa. 



1. SPHAGEBRANCHUS CBPHALOPELTIS. 

 Bleek. Nat. Verb. Vet. Haarlem, (2) xviii. 18G3, no. 2, p. 128. 

 (>/>hirJuhij.'! {S2:>liagebranclms) huettikoferi, Steind. Notes Leyd. Mas. xvi. 1894, 

 p. 88, pi. iv. fig. 2 ; Pellegr. Bull. See. Phiiom. (10) i. 1909, p. 50. 

 Body extremely slender, cylindrical, its diameter 65 to 85 times in 

 total length. Tail longer than body. Distance between end of snout 

 and gill-openings 6 to 8 times in distance from end of snout to vent. 

 Head very small, snout acutely pointed, projecting very strongly beyond 

 lower jaw, the anterior teeth of the upper jaw remaining imcovercd ; 



