42 



STUDIES, SCIENTIFIC AND SOCIAL 



and k, we have the base narrowed and elongated evidently 

 to fix into a notched haft and to fasten by a binding of 

 thongs. Another development is into the triangular thin 

 arrow-head a, s©me times with the angles elongated and 



'. thin wavy f; 



'V' (TC' 



California. 



m 





^t r- 



Fig. 7. 



delicately, pointed, as in e. These carry us on to the more 

 definite spear head with a notched base, as in b, c, f, and 

 1, an improvement which would render the fastening to the 

 shaft more secure. Many of these are large and beautiful 

 weapons, like that here figured (1), which is nine inches 

 long by four inches wide. 



