FAMILY, I— CARCHARIID^^. 721 



Snout produced and pointed, the length of its preoral portion equalling the width of the mouth (or 1/4 

 more in the foetus), which latter is somewhat angular. A well-developed labial fold at the angles of the mouth : 

 membrana nictitans very distinct. Spiracle behind and much smaller than the eye. Teeth — rhombic, and 

 destitute of any distinct cusp. Fins — the first dorsal arises opposite the posterior end of the base of the 

 pectoral, and does not extend to above the anal : the second dorsal smaller than the first, but the length of the 

 bases of the two about the same. Pectoral reaches to below centre of first dorsal : anal commences beneath 

 the posterior half of the second dorsal and is smaller than it. Caudal equal to 4| in the total length, its lower lobe 

 moderately developed and notched. Colours — reddish gray superiorly, becoming dull white beneath. Posterior 

 extremity of the caudal of a dark colour. 



Habitat. — Seas of India to Japan. T obtained a female (16'5 inches in length) at Kurrachee, and which 

 had several young inside. The one figured, from the same place, is 27 inches in length. 



4 z 



