DESCRIPTILONS 
TWO SPECIES 
Bed N El 0, 
Dr. THEODORE CANTOR, 
Bengal Medical Service. 
Communtcated by Dr, P. BLEEKER. 
Fau. MURAENOÏDAE. 
Gen. Ancurrra (Thunberg 179.). Cuvier 1817. 
Gillopenings on each side under the pectoral fins; dorsal 
and anal continued round the tail, forming by their union a 
pointed caudal; dorsal commences at a considerable distance 
behind the pectorals; upper jaw shorter than the lower. The 
stomach is a long cul-de-sac; the intestinal canal nearly straight; 
the air-vessel elongated, furnished near the middle with a 
peculiar gland. 
