ACAXTHOPTERI OR SPINE-FIJSTNED FISHES. 



269 



FIG. 323. 



Blue-fish, Temnodon saltator, Cav. 



at sea, and thus ap- 

 pearing, as the sail- 

 ors understand it, to 

 pilot or direct them 

 in their course ; and 

 by many it is be- 

 lieved that these 

 fishes sometimes 

 guide the shark to his food by swimming before him. 



To the Spine-finned fishes also Fia - 324 - 



belong the Mullets, which appear in 

 many species in both fresh and salt 

 waters. 



Mullet, Mugil lineatus, 

 Mitchell. 



FIG. 325. 



Archer, Cfuztodon roslratus. 



The fa'mous Chsetodonts of the East Indies are spine- 

 finned fishes which have the remarkable habit of spirting 

 drops of water so as to hit and bring down insects which 

 they see above them ! (Fig. 325). 



