...optic nerves cross each other in their passage from their respective lobes to the eyes. The buibus arteriosus has almost always only two opposite semilunar...branchial arches, each of which generally supports free branchiae. An air-bladder is generally present. The ventral fins vary in position and are sometimes...

...optic nerves cross each other in their passage from their respective lobes to the eyes. The bnlbu« arteriosus has almost always only two opposite semilunar...branchial arches, each of which generally supports free branchifc. Au air-bladder is generally present. The ventral fins vary in position and are sometimes...

...eastern coast of North America from Greenland to Georgia, by Theodore Gill. The bulbus arteriosus'f has almost always only two opposite semilunar valves....branchial arches, each of which generally supports free branchiae ; an air bladder is generally present. The neutral fins vary in position, and are sometimes...

...to Georgia, by Theodore Gill. The buibus arleriosus'f has almost always only two opposite semiInnar valves. The branchial apertures are represented by...branchial arches, each of which generally supports free branchiae ; an air bladder is generally present. The neutral fins vary in position, and are sometimes...

...Catalogue of fishes of the eastern coast of North America from Greenland to Georgia, by Theodore Gill. The bulbus arteriosus^ has almost always only two...branchial arches, each of which generally supports free branchiae ; an air bladder is generally present. The neutral fins vary in position, and are sometimes...