446 GEOGRAPHICAL ZOOLOGY. [part iv. 



Tropical South America east of Andes ; Catoprion (1 sp.), Brazil 

 and Guiana. 



Family 61.— HAPLOCHITONID^E. (2 Genera, 3 Species.) 



" Fresh-water fishes, with naked or scaly bodies and without 

 barbels." 



Distribution. — Temperate South America and South Aus- 

 tralia. 



The genera are, Hapluchiton (2 sp.), Tierra del Fuego and the 

 Falkland Islands ; Prototrodes [2 sp.), Southern Australia and 

 New Zealand. 



Family 62.— STERNOPTYCHID^E. (6 Genera, 12 Species.) 



" Marine fishes, with very thin deciduous scales or none, and 

 with a row of phosphorescent spots or organs on the under 

 surface of the body." 



Distribution. — Mediterranean and Atlantic. 



These are deep-sea fishes found in the Mediterranean sea, and 

 in the deep Atlantic from the coasts of Norway to the Azores 

 and the Tropics. 



Family 63.— SCOPELID^E. (11 Genera, 47 Species.) 



"Marine fishes, somewhat resembling the fresh- water Siluridae." 



Distribution. — Almost universal, but most abundant in warm 

 and tropical seas. 



These are deep-sea fishes, abounding in the Mediterranean 

 and the great oceans, a few extending north to near Greenland 

 and south to Tasmania. 



