Index 



Adam's Peak, Haeckel on, 244 

 Adaptations, embryonic, 228 

 Adaptation to environment, 119 

 Adickes, Professor, 304 

 Adriatic, visit to the, 257 

 Esthetic element in Haeckel, 83 

 Affinities of animals, 233 

 Agassiz, 229 



,, on creation, 128 

 Alexander, Karl, Grand Duke of 



Weimar, 254 



Algeciras, Haeckel at, 252 

 Algiers, Haeckel arrested in, 259 

 Allmers, Hermann, 85 

 Alpine salamander, the, 221 

 America, the discovery of, 20 

 Amphioxus, the, 274 

 Amplioridea and Cystoidea, the, 



291 



Angelo, Michael, paintings of, 15 

 Anthropogenic, the, 279, 309 

 Anthropological critics, Haeckel's, 



283 



Arabia, coral-fishing in, 257 

 Archeopteryx, the, 167, 223 

 Arctic hare, the, 119 

 Art and mathematics, 216 

 Art-forms in Nature, the, 26, 293, 



311 



Artificial selection, 117 

 Artistic gifts of Haeckel, 83-4 

 Asia Minor, travels in, 257 

 Aspects of Nature, 46 

 Association of Monists, 319 

 Athletic festival, Haeckel at the 



173 



Atom, the, 212 

 Aus Insulinde, 308 



B 



Bacilli, the, 206 



Bacteria, the, 180 



Basedow, 32 



Belligemma, 258 



Berlin, Haeckel's criticism of, 30 



, lectures at, in 1905, 319 

 Berthelot, 318, 319 

 Bjornsen, B., 318, 319 

 Bible, the, 126 

 Biogenetic law, the, 219 

 Bird, evolution of the, 223 

 Birth of Haeckel, 29 

 Birthday, celebration of Haeckel's 



sixtieth, 297 

 Birthday, celebration of Haeckel's 



seventieth, 814 

 Birthdays, real determination of, 



102 



