CATALOGUE OF FISH. 



c. Tivo roics of teeth on the nasal bone and tip of the mandible. 



Genus 4. MICRODONOPHIS, Kanp. 



Teeth very small and sharp pointed. All the fins greatly deve- 

 loped. 



9. MiCKODONOPHIS AI.TIPINNIS, fig. 4. 



The rich collection at Leyden possesses an example of this spe- 

 cies from Macassar. It is a female, and contains many thousands 

 of eggs. A second specimen, existing in the Paris Museum, is 

 also a female, whose ovisac is an inch and a half long, and extends 

 into a cavity in the tail. The head is long, and the mouth wide. 

 There is a small cuticular flap before the hinder nostril. In the 

 palatine hones, there are 38 teeth, and in the mandible 43. Many 

 teeth exist on the vomer, of which the posterior ones are too small 

 to be counted. Upper surface black, under one yellow. Dark 

 borders to the dorsal and anal fins. Pectorals black, and containing 

 10 rays. There are also black specks round the pores of the 

 mandible. Total length, 30-G4 in., of which the tail measures 

 21-07 in. 



d. Biserial teeth on the tip of the mandible only. 

 Genus 5. COECILOPHIS, Kaup. 



Pectoral fins developed longer than the jaws. Anterior nostril 

 opening by a short tube ; posterior one furnished with a short, 

 marginal, cuticular tag. Dorsal fin commencing behind the tip of 

 the pectoral. 



10. COECII.OPHIS COMPAR. 



Ophisurus compar, Rich., Ereb. S Terr. p. 105. 



Palatine teeth conical, pointed, closely arranged, and of equal 

 height ; 20 on each limb of tlie mandible. Colour, uniform brown, 

 with darker, bordered pectorals. Length, 19'8 in. ; tip of the anus, 

 7'5 in. ; to the gill-opening, 2 in. 



Sumatra (British Museum). 



e. Palatine teeth tiro -ranked ; a single row only on the vomer and 

 mandible. 



Genus 6. OPHISUEUS, Lac, Cuv. (part.) 



Having a small head, and a greatly-elongated, slender snout, 

 which surpasses the mandible in length. Gullet very wide. Eyes 

 nearer to the corner of the mouth. Foremost nostril midway 



