TABLE OF CONTENTS. IX 



Page. 



XII. Worms 18 



55. Annelida, (annelids) IB 



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



XIII. Mollusks 19 



57. Cephalopoda, (cephalopoda; 19 



58. Gastropoda, (sea and land, snails) 19 



59. Conchifera, (ordinary bivalve mollusks) 19 



XIV. Radiates 19 



60. Echinodermata, (echinoderms) 19 



61. Coelenterata, (acalephs and polyps) •- 20 



XV. Protozoans , 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 for 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. suares) 25 



11. Loaded lines, (bolas) 25 



**** Entangling-lines. 



12. Tangles 25 



+t Apparatus of indirect application. 



HI. Missiles 25 



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



13. Hurled weights 26 



14. Hurled sticks 26 



15. Hurled spears, lances 26 



