ACAKTHOPTERI OR SPINE-FIXXED FISHES. 



271 



coast. And to these we Fir " 



may add the Sea-Robins 



or Prionotidse, and Sea- 



Swallows or Dactylopte- 



ridse, remarkable for their 



large pectoral tins those 



of the latter being so ex- 



, -, i T ,, Sea-Raven, Hemitripterus acadianus, Storer. 



cessively developed that 



these fishes are able to FIG. 330, 



sustain themselves in the 



air for a short time, thus 



reminding us of the so- 



called real flying-fishes 



which belon to another 



order. 



Sea-Robin, Prionotus Kneatus, Dekay. 



FIG. 331. 



Sea-Swallow, Dactylopterus volitans, Cuvier. 



But no fishes give a better idea of the Acanthopteri 

 than the Bass, Bream, and Perch. The two last arc com- 

 mon in lakes, ponds, and rivers, and vary from a few 



FIG. 333. 



Vrr- *vO 

 J- l(j. u-j4f 



Yellow Perch, Percajlcwescens, Cuv. 



Bre^m, Poinotis vulgaris, Cuv. 



