INDEX. 



421 



Lamarck, like Erasmus Darwin and 

 Buffon, understood the sur- 

 vival of the fittest, 301 



on the way in which serpents 



have lost their legs, 303 



on wading and aquatic birds, 



305 



on the eyes of flat fish, 307 



on man, 311, &c. 



on a single instance of con- 

 siderable variation under 

 domestication, 311 



on speech, 313, 314 



on the upright position of man 



and certain apes, 313 



his, and Etienne Geoffrey's 



views on conditions of exist- 

 ence, 326, 327, 328 



his hypothesis, and Isidore 



Geoffroy, 329 



Herbert Spencer on, 330, 331 



desired to discover the law 



underlying variations, 337 



the extent to which he and 



C. Darwin take common 

 ground, 335-337 



on body and mind, 338, 339, 



341 



on his theory variations will 



be definite, will appear in 

 large numbers of individuals 

 at the same time, for long 

 periods together, 341 



how he and C. Darwin treat 



the winglessness of Madeira 

 beetles respectively, 373-380 



on the eyes and ears of cave- 

 inhabiting animals, 378, 379 



Laputan method of making books, 

 the, and natural selection, 11 



Lawyer's deed, if we come across a 

 very intricate, &c. , 27 



Leopard, the, can change his spots 

 if it becomes worth his while to 

 try long enough, 40 



Lewes, G. H., on embryology, 25 



his objection to the tentative- 

 ness with which the same 

 errors are repeated genera- 

 tion after generation, 26 



his objection to 0. Darwin's 



language concerning natural 

 selection, 346 



Lewes, G. H., on natural selection, 



348, 349, 359 

 Life, some remarks about the 



criterion of, that I must 



retract, 279 



one Proteus principal of, 320 



"Life and Habit, "what I believe to 



have been its most important 



features, 67, 203, 204 

 recapitulation of the main 



principle insisted on, 37, 56, 



203, 380, 381, 384 

 and Hartmann's philosophy 



of the unconscious, German 



review, 56, 57 

 Lifetime, considerable modifications 



effected during a single, 304 

 the changes undergone by or- 

 ganisms during a single, 



Herbert Spencer,on,332-334 

 Ligament, the, which biuda down 



the tendons of the instep, 21 

 Living, Paley is but doing his best 



to earn an honest, 29 

 forms of faith, or faiths of 



form, 339 



Lines, no sharp can be drawn, 47 

 Lion and tiger, Buffon on the, 143, 



145 

 Llama, Buffon on the hereditary ills 



of the, 161 



Longevity, the principle under- 

 lying, 67, 380, 381 

 Loopholes for escape, the " Origin 



of Species " full of, 358 

 "Loves of the Plants," French 



translation of the, 63, 259 

 Lungs for respiration, and cork- 

 screw for corks, Professor Clifford 

 on, 7. (See also p. 58) 

 Lyell, Sir C., and Lamarck, 277 

 on the similarity between 



Lamarck's theory and Mr. 



Darwin's, 336, 337 



MACHINE, Paley declares ani- 

 mals to be neither wholly 

 machines nor wholly not 

 machines, 14 



Madeira beetles, the ways in which 

 Lamarck and C. Darwin would 

 treat their wiuglessness, 373-380 

 \Iaillet, de, referred to, 70 



