VIII ANIMAL RESOURCES OF THE UNITED STATES. 



Page. 



VII. MARSIPOBRANCHIATES 70 



23. Hyperoartla (lampreys) 70 



24. Hyperotreti (hags) 70 



VIII. LEPTOCARDIANS 70 



25. CiiTOstomi (lancelets) 70 



SECTION B. MEANS OF PURSUIT AND CAPTURE. 



}A2)paratiis of direct application. 



I. HAND-IMPLEMENTS (SIMPLE TOOLS) 71 



* For striking. 



1. Clubs 71 



2. Slung weight 71 



** For cutting. 



3. Knives 71 



4. Axes 76 



*** For thrusting. 



5. Spears and prods 78 



II. IMPLEMENTS FOR SEIZURE OF OBJECT 79 



* Scooping -instruments. 



6. Scoops 79 



** Grasping-hooks. 



7. Hooked implements (used with single motion, that of hooking) 80 



8. Barbed implements (used with two motions, the first that of thrusting) . 82 



9. Tongs, &c.. 85 



*** Grasping-lines. 



10. Nooses (lariats and snares) 86 



11. Loaded lines (bolas) 86 



* * * * Entangling-lines. 



12. Tangles 87 



ft Apparatus of indirect application. 



III. MISSILES 87 



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



13. Hurled weights 87 



14. Hurledsticks 87 



15. Hurled spears, lances 88 



* * Centrifugal missiles (propelling power augmented by artificial lengthening of the arm). 



16. Slings, and spears thrown by straps 88 



17. Missiles thrown by " throwing-sticks " 88 



*** Missiles propelled by a spring. 

 t Sirring consisting of bent rod. 



18. Bows and arrows 



