DISCUSSION 135 



he inferred that I had lately lost confidence in the 

 results of my investigations regarding blood, I 

 merely pointed out what precautions must be taken 

 to avoid certain sources of error. There was no 

 question of a retraction of the results of my work, 

 but only of a reference to the avoidance of error.' 



However, it was not this criticism of his works 

 that caused Dr. Friedenthal to address the meeting, 

 but he wished to point out that all present were under 

 the impression, that as soon as Father Wasmann 

 began to speak of the origin of man, he spoke as a 

 dilettante scientist, in sharp contrast to the Father 

 Wasmann, whom they all knew as a specialist 

 devoted to research work on the subject of ants. 



By calling me a ' dilettante scientist ' in my 

 dealing with the origin of man, Friedenthal 

 seems to mean that I am not a specialist. 

 I was quite unaware that one, who is not a 

 specialist, is supposed to be incapable of criti- 

 cising the conclusions at which a specialist in 

 that field of research has arrived, provided 

 that he takes pains to obtain information 

 regarding the subject and the results obtained 

 by others. 



Dr. Friedenthal did not prove in his speech 

 that I had criticised his investigations in a 

 dilettante manner; on the contrary, he allowed 

 that I was right in saying that a chemical and 

 physiological likeness between two kinds of 



