156 



FISH GALLERY. 



are small and very active in their movements. Chelmo (622) 

 differs from Chatodon in having the snout produced into a more 

 or less long tube. The fish is said to throw a jet of water from its 

 mouth so that it lights upon an insect resting upon a leaf and 

 causes it to fall into the water, when the fish seizes it. The 

 statement, however, has probably arisen from a confusion between 

 this fish and the Archer-fish, Toxotes jaculator (506, Wall- 



Fig. 70. — Heniochus macrolejiidotus, 



case 12), which is known to catch insects in this manner. The 

 Chelmo is a salt-water fish, and it is highly improbable that it 

 feeds on insects at all. 



Heniochus macrolepidotus (623-624, and fig. 70) has the fourth 



