MATTERS WHICH SO FAR ARE UN- 

 ACCOUNTED FOR, OR UNEXPLAINED 



A will, indeed, be evident, there is still much 

 that remains unexplained ; much that it will 

 be the task of the future to throw light upon. 

 Tests which have been but uncertain in their results ; 

 accidental discoveries, the importance of which only 

 becomes evident, after the results have been tested in 

 connexion with a number of animals. Among these 

 may be placed the more recent experiments dealing 

 with the sense of scent, undertaken by Professor Jaeger, 

 and in this category should be placed also what I 

 think to be a rather interesting test connected with 

 Lola : I was at the time staying with my family at 

 Hohenheim, and I asked the dog how many pups her 

 mother had had including herself : she answered 

 " 12." I inquired of Professor Kraemer if this was 

 so, and he said that at the time at which he had seen 

 them there had only been eleven. I then made the 

 same inquiry in Mannheim, and found that there had 

 been twelve, but that one had died immediately after 

 birth. It was the only instance of which Lola knew 

 about a dog having pups, so one day I asked her in 

 fun (19 June, 1916). " How many children will you 

 have ? " (Thinking that the answer would be 12). 

 At first she replied with " yes ! " " Do you know how 

 many ? why that's impossible 1 " But she rapped 



