Apoda (APODES)

Physostome fishes without pelvic fins. The Eels ( Murænid a ) are included, as the Conger Eel and Electric Eel ( Gym no not us ). In the former the shape is serpentine, the skin without scales, and with closely set teeth in the wide mouth. The latter is S. American, often 6 ft. in length, and can kill a large animal by a single shock from the electric organ which is situated in its tail. Also, a group of Barnacles in which the body is maggot-shaped and consists of eleven rings. IMG:content-0206.jpg:[graphic] IMG:content-0207.png:[graphic] IMG:content-0208.png:[graphic] Apocynum cannabinum. The mouth is adapted for sucking; the digestive tract is rudimentary, and there are no feet. They are parasitic and hermaphrodite. See also GYM NO PHI ON A. Also, Holothurians without ambulacral feet or respiratory trees. The tentacles are usually branched. They include the Synaptide . These are hermaphrodite and have anchor spicules in the skin, and no respiratory tree; hence they form the section Apneuтопа . IMG:content-0209.png:[blocks in formation]