INDEX 



Acquired characters, 125, 150, 



174 

 Ambrosia beetles, 106 

 Anatomical argument, 69 

 Anthony, R., 213 

 Antlers, 128, 177 

 Ants and acacias, 109 

 Ants and caterpillars, 114, 117 

 Appendix vermiformis, 85 

 Arboreal life, 213 

 Archaeopteryx, 58 

 Atom, structure of, 18 



Balanoglossus, 78 

 Baly, 45, 48, 50 

 Barnacles, 138 

 Bateson, 99 

 Bayliss, 172 

 Becquerel, 43 

 Beebe, W., 64, 107 

 Belt, Thomas, 109 

 Bentley, 167 

 Berman, Louis, 228 

 Birds, ancestor of, 98 

 Blood, salts of, 95 



, transfusion of, 93 



Boule, 215, 216 



Boy den, 81 



Bracken, 102 



Browning, 206 



Buchner, 108 



Butterfly, "Large Blue," 117 



Cats, 100, 101 



Chamaeleon, 142 



Chamberlin, 23 



Chamberlin and Moulton, 8, 10 



Chlorophyll, 49 



Colloidal state, 25 



Convoluta, 156 



Cosmology, 32 



Cunningham, J. T., 86, 174, 175, 

 176 



Danforth, 163 



Darwin, 58, 69, 118, 124, 196 



Darwinism, 101 



Darwin's point in ear, 200 



Death-watch, 108 



Delpino, 110 



Descent of Man, 196, 197 



Design argument, 181 



De Sitter, 15 



Detlefsen, J. A., 169 



De Vries, 143 



Dipnoi, 64 a 74 



Ear, Darwin's point in, 200 

 Earth, fashioning of, 20 



, origin of, 23 



Eel, life-history of, 87 



Einstein, 15 



Electrons, 18 



Elephant, pedigree of, 59 



Embryological evidence, 80 



Emergent evolution, 205 



Emerson, 21 1, 212 



Energies, transformation of, 19 



Evolution, evidences of, 53 



, experiments on, 91 



, gospel of, 233 



, inorganic, 20 



, organic, 41 



, religious aspect of, 180 



Evolution of matter, 18 

 Eyelid, third, 198 



Factors in inheritance, 146 

 Feather-star, 88 

 Flat-fishes, 83 

 Flounders, 86 

 Fortuitousness, 179 

 Friedenthal, 93 



