88 ANIMAL RESOURCES AND FISHERIES OF UNITED STATES. 



15. HURLED SPEARS. 

 Darts and lances. 



See under "Lances and spears," above enumerated, many of which may be 

 used as missiles. 



# # Centrifugal missiles. (Propelling power augmented by an artificial in- 

 crease of the length of the arm.) 



16. SLINGS AND SPEARS THROWN BY STRAPS. 



9532. Sling. Navajo Indians. Smithsonian Institution. 

 17234. Sling. Indians. " " 



Spears (with straps). 



17. MISSILES PROPELLED BY " THROWING-STICKS." 



(with throwing-sticks, used by Eskimos). 



See above under "Bird and fish spears," particularly No. 10267, a spear with 

 throwing-stick attached. 



7899. Throwing-stick. Eskimos. Aleutian Islands. Dr. T. T. Minor. 



7933. Throwing-stick. Eskimos. Kodiak. " 



16076. Throwing-stick. Eskimos. Unalashka. W. H. Dall. 



2533. Throwing-stick. Eskimos. Alaska. North Pacific Exploring Ex- 



pedition. Capt. John Rodgers. 



11346-47. Throwing-sticks. Yukon River, Alaska. Vincent Colyer. 

 15643. 1642-16243. Throwing-sticks. Eskimos. Nunivak Islands. W. H. 

 Dall. 



2267. Throwing-stick. Eskimos. Smithsonian Institution. 



5774. Throwing-stick. Eskimos. Sitka. W. A. Howard, U. S. R. M. 

 20771. Throwing-stick. Eskimos. Sitka. J. G. Swan. 



Missiles propelled by a spring. (Spring consisting of bent rod.) 



18. BOWS AND ARROWS. 



Bows. 



Simple bows. 

 (Cross-bows.) 

 (Ballistas.) 



These articles are arranged with the Ethnological series, as are also the ar- 

 rows, with the exception of a few forms peculiarly adapted to hunting. 



Arrows. 



Hunting-arrows. 



11350-54. Bird-arrows. Eskimos. Bristol Bay, Alaska. Vincent Colyer. 

 16410-11-12. Bird-arrows. Eskimos. Nunivak Islands, Alaska. TV. H. 

 Dall. 



