Paphlagonia is an ancient district of Asia Minor, situated on the Euxine Sea between Bithynia and Pontus, separated from Galatia by a prolongation to the east of the Bithynian Olympus.
Each tentacle is to the stem of a plant, and is repre sented with the base of attachment a glove-finger like outpush uppermost; the mouth, not actually ing of the whole wall of the seen in the drawing, is at the lower sac and contains typically extremity of the body, surrounded a prolongation of its internal by the circle of tentacles.
Next may be named the Ala-tau, on the prolongation of the Tian-shan, flanking the Syr on the north, and rising to 14,000 or 15,000 ft.
These tubes are lined by flattened epithelium and often contain blood capillaries; they communicate with the coelom and are to be regarded as prolongation of it into the thickness of the body wall.
The labrum and clypeus are developed as a single prolongation of the oral piece, not as a pair of appendages.