B.— APPARATUS OF INDIRECT APPLICATION. 



III.— MISSILES. 



* Simple missiles (those propelled by the unaided arm). 

 10. Hurled spears. 



darts and lances. 



(See under spears, above enumerated, many of which may be used as 



missiles.) 



** Centrifugal missiles. — (Propelling power augmented by an artificial 

 crease of the length of the arm.) 



11. Missiles propelled by throwing-sticks. 



spears and throwing-sticks. 

 Thro wing-stick. 



Wood, elaborately carved. A groove in the upper surface, ending 

 against a small bone or ivory near smaller end, receives butt of 

 spear. A small hole near the larger end receives the tip of the 

 forefinger ; the second finger rests against a pin on one side 

 and the thumb in a slot on the other side. Used to increase 

 leverage of arm when throwing harpoons, spears, &c. Length, 

 18f inches; width, 2£ inches. Alaska, 1857. 2,523. U.S. Pa- 

 cific Exploring Expedition, Commodore John Eodgers, U. S. 

 N., commanding. 



Throwing-stick. 



Wood, rudely carved. A groove in the upper surface, ending 

 against a small shoulder of bone or ivory near small end, re- 

 ceives butt of spear. A small hole near the large end receives 

 tip of forefinger ; the second finger rests againsta pin on one side 

 and the thumb in a slot on the other side. Used to increase 

 leverage of arm when hurling harpoons, spears, &c. Length, 

 19 J inches ; breadth, 3J inches. Nunivak Island, Alaska, 1873. 

 16,242. W. H. Ball. 



Throwing-stick. 



A stick of wood, with a groove in upper surface, ending against a 

 small strip of ivory nailed across the groove ; on the side are 

 two ivory pegs. Used to give leverage to arm in throwing 

 harpoons, &c. The stick is grasped by the larger end, the 



892 [68] 



