456 GEOGRAPHICAL ZOOLOGY. [part iv. 



America, and India to Australia ; Chilohranchus (1 sp.), Australia 

 and Tasmania. 



Family 86.— MUK^ENID^E. (26 Genera, 230 Species.) 



" Marine or fresh-water fishes, with cylindrical or band-like 

 bodies and no ventral fins." 



Distribution. — The seas and fresh waters of temperate and 

 tropical regions. This family is divided by Dr. Giinther into 

 two sub-families and nine sections. The genus Anguilla, com- 

 prising our common Eel and a number of species from all parts 

 of the world, is the only one which is found in fresh water, 

 though even here most of the species are marine. Anguilla and 

 Conger are the only British genera. 



Family 87.— PEGASID^. (1 Genus, 4 Species.) 



" Small marine fishes, covered with bony plates, and short 

 opposite dorsal and anal fins." 



Distkibution. — Indian Ocean and seas of China and Aus- 

 tralia. 



Order V.—LOPHOBRANCHII. 



" Fish with a segmented bony covering, long snout, and small 

 toothless mouth." 



Family 88.— SOLENOSTOMID^E. (1 Genus, 3 Species.) 



"Marine Lophobranchii, with wide gill openings and two 

 dorsal fins." 



Distribution. — Indian Ocean, from Zanzibar to China and 

 the Moluccas. 



