146 



PREHISTORIC FISHING. 



Fig. 230. A fine single-barbed harpoon-head of elk-horn, in an excellent 

 state of preservation. . It measures nearly ten inches and a half in length, and 

 has a thickness of about half an inch in the middle. The broad lower part shows 

 two shoulders, but its base, instead of being worked thin, is more than one- 

 fourth of an inch thick. The head, nevertheless, may have been detachable. 

 This specimen was presented to the National Museum, with other valuable relics, 



was 



Fio. 230. New York. (31512). Fio. 231. Michigan. (12329). Fio. 232. Ohio (Matlisonville). 



FIGS. 230-232. Harpoon-heads of elk-horn and bone. 



