OF THE ARROW-HEADED CHARACTER. 509 
truly glad shall I be to abandon what I am about 
to state, whenever I find any theory which has a 
better foundation than that of conjecture, but 
until then it is better to have some ideas on the 
subject before our minds than none at all. 
FIG. 12. 
NPT i ah Ne 
i tin iV"! 
| 
‘1 Wn 
The above figure will perhaps serve to explain 
my ideas as to the probable origin of the Baby- 
