CANTO IV.

29 Oestrus or Gadfly. 33 Ichneumon fly. 37 Libellula. 39 Bees. 57 Shark. 59 Crocodile 66 Animals prey on Vegetables. 71 Defect of Stimulus. 87 Theatric Preachers. 93 Pleasure of Life, Ennui. 94 Of Tooth-edge. 119 Epidemic Complaints. 130 Compassion may be too great. 147 Doctrine of Atoms. 160 Pleasure of viewing a Landscape. 178 Pleasure from Music. 242 Ancient Orators spoke disrespectfully of the mechanic Philosophers. 270 Influence of Printing. 299 Associated ideas of three Classes. 309 Wit defined. 349 Surprising number of Seeds. 351 Of the Aphis, its Numbers. 352 Aphis drinks the Sap-juice. 359 The Mutation of the Tadpole. 387 Animation near the Surface of the Earth. 387 All dead animal and vegetable Bodies become animated. 403 Doctrine of St. Paul. 411 Happiness increased. 417 Doctrine of Pythagoras. 431 Geology. 450 Method of investigation of Organic happiness. 453 Organic Life increases.

ADDITIONAL NOTES.

ADDITIONAL NOTES.

SPONTANEOUS VITALITY OF MICROSCOPIC ANIMALS.

Hence without parent by spontaneous birth Rise the first specks of animated earth.