igog.j 
N. Annandai^e: Report on the Batoidei. 
31 
Month rather small ; the lower jaw more distinctly undulated than the upper, which 
is nearly straight. Teeth faintly tinged with brown. The unworn teeth are dis- 
tinctly but minutely ridged longitudinally ; the transverse ridge is strong, and 
there is a well-marked concavity on the surface in front of it. There are two 
short processes on the floor of the mouth, one situated near each angle. 
Skin . — The skin is delicate, but not so soft as in T. microps. The head and the centre 
of the back are covered with closely set, rounded, almost flat denticles, which 
on the tail are intermixed with stellate spines. On the back the denticles become 
gradually smaller from the middle outwards and do not form a clearly defined figuie 
on the area they occupy. Externally, on either side, some of them have stellate 
bases — a character which becomes more marked as regards tho.se that occur on 
the pectoral fins, on which they show a tendency to be arranged in longitudinal 
lines. They extend to the margin and sometimes over it on to the ventral surface. 
This description is based on a large male taken by the ‘ ‘ Golden Crown ’ ’ in Octo- 
ber off the coast of Burma and a still larger female captured in March oft' the coast of 
