and minute; the eyes very large and prominent. By means of the enormous development of the pectorals, these fishes are enabled to project themselves from the water, and to perform a lengthened flight through the air. They are very common

in the tropical seas; vast shoals springing into the air almost constantly in fine weather. A straggler now and then wanders to our own shores. About forty species are enumerated.

The freshwater Pikes have a moderately lengthened body with a large, oblong, rounded, flattened