CONTENTS OF THE ADDITIONAL NOTES. 123 



NOTE IX. STORGE. 



Pelicans; pigeons; instincts of animals acquired by a previous state, and trans- 

 mitted by tradition ; parental love originates from pleasure. 



NOTE X. EVE FROM ADAM'S RIB. 



Mosaic history of Paradise supposed by some to be an allegory; Egyptian philoso- 

 phers, and others, supposed mankind to have been originally of both sexes united. 



NOTE XI. HEREDITARY DISEASES. 



Most affect the offspring of solitary reproduction; grafted trees, strawberries, po- 

 tatoes; changing seed; intermarriages; hereditary diseases owing to indulgence in 

 fermented liquors; immoderate use of common salt; improvement of progeny; ha- 

 zardous to marry an heiress. 



NOTE XII. CHEMICAL THEORY OF ELECTRICITY AND MAGNETISM. 



I. Attraction and repulsion. II. Two kinds of electric ether; atmospheres of 

 electricity surround all separate bodies; atmospheres of similar kinds repel, of different 

 kinds attract each other strongly; explode on uniting; nonconductors; imperfect con- 

 ductors; perfect conductors; torpedo, gymnotus, galvanism. III. Effect of metal- 

 lic points. IV. Accumulation of electric ethers by contact. V. By vicinity; Volta's 

 electrophorus and Bennet's doubler. VI. By heat and by decomposition ; the tourmalin; 

 cats; galvanic pile; evaporation of water. VII. The spark from the conductor; 

 electric light; not accounted for by Franklin's theory. VIII. Shock from a coated 

 jar; perhaps an unrestrainable ethereal fluid yet unobserved; electric condensation. 

 IX. Galvanic electricity. X. Tsvo magnetic ethers; analogy between magnetism and 

 electricity; differences between them. XL Conclusion. 



NOTE XIII. ANALYSIS OF TASTE. 



Tas.te may signify the pleasures received by any of the senses, but not those which 

 simply attend perception ; four sources of pleasure in vision. I. Novelty or infrequency 

 of visible objects; surprise. II. Repetition; beating of a drum; dancing; architec- 

 ture; landscapes; picturesque; beautiful; romantic; sublime. III. Melody of 

 colours. IV. Association of agreeable sentiments with visible objects; vision the 

 language of touch ; sentiment of beauty. 



