14 T. H. Pear, Number-Forms 



must be occupied bv Professor Einstein's illustration of a 

 large sphere tenanted by exceedingly small beetles, with whidi 

 he has recently illustrated his conception of a finite but 

 unbounded space. 



BIBLIOGRAPHY. 



1. Calkins, M. W. Amrr. Jour, of Psi/rholor/i/, 1892-3. 5, 439—464. 



2. Flournoy, T. " Des phenomenes de Synopsie." Paris. 1893. 



3. Galton, F. "Inquiries into Human Faculty and its Development." 1st 



edition. 1883. Subsequently reprinted in EvfryviarCs Library. (The 

 references in this paper are to the pages of the later edition.) 



4. MtJLLER, G. E. " Zur Analyse der Gedachtnistatigkeit und des Vor- 



stellungsverlaufes." Leipzig, 1913. Pt. Ill, 72—131. 



5. Varendonck, J. " The Psychology of Day-dreams." London, 1921. 



