CONTENTS. 



South America ; to China and Australia ; to North America and China ; 

 to New Zeahmd and South America ; to South America and Tas- 

 mania ; to South America and Australia. — Plcurodont lizards. — Insec- 

 tivorous niammals. — Similarity of F^uropean and South American frogs.- 

 — Analogy between European salmon and fislios of New Zealand, tS:c. — 

 An ancient Antarctic continent probable.- — Oilier modes of accounting 

 for facts of distribution. — Independent origin of closely similar forms. 

 — Con-jlusion Page 163 



CHAPTER VIII. 



HOMOLOGIES 



Animals made up of parts mutually related in various ways. — "What homo- 

 logy is — Its various kinds. — Serial homology. — Lateral homology. — 

 Vertical homology. — Mr. Herbert Spencer's explanations. — An internal 

 powLT necessary, as shown by facts of comparative anatomy. — Of ter- 

 atology. — M. St. Hihure. — Professor Burt "Wilder. — Foot-wings. — Facts 

 of pathology. — ^Ir. James Paget. — Dr. "William Budd. — The existence 

 of such an internal power of individual development diminishes the 

 improbability of an analogous law of specific origination . Page 175 



CHAPTER IX. 



EVOLUTION AND ETHICS. 



The origin of morals an intjuiry not foreign to the subject of this l)Ook. — 

 Modern utilitarian view as to that origin.— Mr. Darwin's .sjteculation 

 as to the origin of the abhorrence of incest. — Cause a.ssigned l)y him 

 insufficient. — Care of tlie aged and infirm oj»po.sed by "Natural Selec- 

 tion ;" also self-abnegation and a.sceticism. — Distinctness of the ideas 

 "right" and "useful." — Mr. John Stuart Mill. — Insufficiency of 

 "Natural Selection" to account for the origin of the distinction 

 between duty and profit. — Distinction of moral acts into "material" 



