ears the breasts + dont show from the outside! External Characters. 12 bundles bunches on the right side of the mandible, toward suprapiyes mostly 16 lines on the top of the head, right side including the median line from the forehead to tip. The bundle between arms and flukes an infine edge of peduncle is very prominent + is 20 centimeter high - (The superior edge of peduncle from dorsal fin to flukes has no even outline - a straighter line - The with orchin deep + bunch large - (See plate 7 dorsal fin)