( xiT ) 



LIST OF ILLUSTEATIONS. 



Fig. paqb 

 PoETBAlT .. .. .. .. .. .. .. Frontispiece. 



1. Alfred Smee's working-room in the Bank of England .. .. .. 13 



2. Smee's Ether-inhaler 37 



3. Optometer .. .. .. .. .. .. .. .. .. 38 



4. Gas-bvimer and jet .. .. .. .. .. .. .. 39 



5. Hot and cold Detector .. .. .. .. .. .. .. 54 



6. Alfred Smee, with his son, fishing in the Thames . . To face 135 

 6a. Soman coin found at Clermont .. .. .. .. .. .. 137 



7. View of St. Mary's, Beddington, ftom the Grarden .. To face 141 

 7a. The Grave of Alfred Smee „ 142 



8. Smee's Battery, compomid six cells .. .. .. .. .. 169 



9. Smee's Battery, for Electrotype .. .. .. .. .. .. 170 



10. Smee's Odds-and-Ends Battery 170 



11. Covered wire, as generally used for the formation of Electro-magnets .. 222 



12. Electro-magnet 223 



13. Magnetized Needle, for discovering needles withia the body .. .. 224 



14. Eesting-spores of the Potato Fungus within an Aphis .. .. .. 254 



15. Eesting-spores of the Potato Pvmgus within the cellular tissue of 



Potatoes .. .. .. .. .. .. .. .. .. 254 



16. Illustration showing the Interpenetration of Objects when seen by 



two eyes, and the geometrical law on which it is founded .. .. 280 



17. Diagram of the Faculties of the Human Mind at different Periods of 



Life 291 



18. Smee's Photometer 326 



LIST OF BOOKS BY ALFEED SMEE. 



Elements of Electro-Metallurgy. 



Sources of Physical Science. 



The Potato Plant : its Uses and Properties ; together with 



the Cause of the present Malady. 

 The Bye in Health and Disease. 

 Elements of Electro-Biology. 

 Instinct and Beason. 

 Process of Thought. 

 Debility and Defective Nutrition. 

 Fairy Legend : The Widow and the Babbits. — Anon. 

 My- Garden. 

 The Mind of Man. 

 1876-77. A Book on Fishing. (Not completed.) 



