240 ESSAYS OF A BIOLOGIST 



epiphenomenon that orthodox science would have 

 it ; and he desired a scheme of things in which mind 

 should be more adequately explained than it could 

 be by science at its then stage of development. Him 

 illae lacr'imae. 



To-day it is at least possible to link up, not only 

 physics and chemistry and geology and evolutionary 

 biology, but also anthropology and psychology, into a 

 whole which, though far from complete, is at least 

 organized and coherent with itself. If the seven- 

 teenth century cleared the ground for that dwelling- 

 place of human mind which we call the scientific 

 view of things, if the eighteenth century laid the 

 foundations and the nineteenth built the walls, the 

 twentieth is already fitting up some of the rooms for 

 actual habitation. 



There are certain other domains of reality which 

 have not yet been properly investigated by science. 

 Telepathy, for instance, and the whole mass of 

 phenomenon included broadly under the term spirit- 

 ualism, are in about the same position with regard 

 to organized scientific thought to-day as was astronomy 

 before astrology's collapse, as was the study of elec- 

 tricity in the eighteenth century, or that of hypnotism 

 in the middle of the nineteenth. What is more, 

 the average man demands that phenomena of this 

 order shall be included in his scheme of things. 

 Science cannot yet do this for him ; and accordingly 

 the dwelling-place that we are building must still 



