562 ORDER LOPHOBRANCHII. 



cavity than in the syngnathi, makes two or three 

 folds. 



Some species are to be found in the Indian Ocean ! . 



After these five orders of osseous or fibrous fishes, 

 with complete and free jaws, we pass to the sixth 

 order of fishes. 



1 Pegasus draco, L., Bl. 209. Pegas, natans, Bl. 121. Peg. volans, 

 L. P. laternarius, C, with a muzzle furnished with six longitudinal 

 ranges of dentations. 



