TABLE OF CONTENTS. IX 



Page. 



XII. Worms ■ ^^ 



55. Annelida, (annelids) ^^ 



56. Scolecida, (spoon-worms, &c.) 18 



XIII. MOLLUSKS " ^^ 



57. Ceplialopoda, (cephalopods; ^^ 



58. Gastropoda, (sea and land snails) 1^ 



59. Conchifera, (ordinary bivalve mollusks) 19 



XIV. Radiates • ^^ 



60. Echinodermata, (echinoderms) 19 



61. Ccelenterata, (acaleplis and polyps) 20 



XV. Pkotozoans. 



20 



62. Rhizopoda, (sponges and foraminifera) 20 



Section B.— MEANS OF PURSUIT AND CAPTURE. 



] Apparatus of direct application. 



I. Hand-implements, (simple tools) - 21 



* For striking. 



1. Clubs • - 21 



2. Slung weights 21 



"* For cutting. 



3. Knives • 22 



4. Axes 22 



*** For thrusting. 



5. Spears and prods 22 



II. Implements eor seizure of object 22 



* Scooping-instruments. 



6. Scoops • - - - 23 



** Grasping-hooks. 



7. Hooked implements, (used with single motion, that of hooking). 23 



8. Barbed implements, (used with two motions, the first that of thrusting) . 24 



9. Tongs, &c 25 



*** Grasping-lines. 



10. Nooses, (lariats and snares) - 25 



11. Loaded lines, (bolas) 25 



**** Entangling-lines. 



12. Tangles 25 



]\ Apparatus of indirect application. 



III. Missiles 2s 



* Simple missiles, {those propelled ly the unaided arm.) 



13. Hurled weights 26 



14. Hurled sticks 26 



15. Hurled spears, lances •--- 2f 



