320 APPENDIX. 



Soil, in accordance with the increase of Human Species — 

 The Human Frame affected by peculiar changes of the 

 Atmosphere— Sixth Age of Man — Periods Fatal or Inju- 

 rious to the Health of Man — Hereditary Longevity — Reca- 

 pitulation — Last Age of Man, Decrepitude and Death — 

 Conclusion. 



LECTURE III. 



Influence of the Nervous System on the Constitution — Ef- 

 fects of Art in the Configuration and Features of the Human 

 Race — Professor Blumenbach's Classification — Circassians 

 and Georgians — Europeans — Scotchmen and Englishmen — 

 J ews — Egyptians, and Gypsies — Asiatics — Greenlanders — 

 Tartars — North and South Americans — Caribs — Ethiopians 

 — Negroes — their intellectual characters, sufficient alone to 

 prevent their being employed as slaves — Lawrence, Cuvier, 

 Hume, Gibbon, and others, refuted by facts — Hereditary 

 variety of the Human Configuration — The Last Age of 

 Man, or the End of the Existence of the Human Species — 

 Conclusion of the Course. 



* * Any of the above Lectures can be delivered separately, 

 without interfering with the arrangement of the subject of 

 any of the others, and at a few hours' notice. 



These Discourses are familiarly illustrated by a most 

 extensive and splendid series of Preparations, Foetal and 

 Adult Skeletons, Tables, Drawings, Coloured Engravings, 

 Diagrams, Skulls and Casts, Models, &c. &c. 



LECTURES 



ON 



THE NATURAL HISTORY 



OF THE 



ORDER CETACEA 



As soon as the illustrations to these interesting Lectures 

 on the Marine Zoology of the Polar Seas are completed, 

 Professor Dewhurst will duly announce them. 



