282 ANIMAL INTELLIGENCE 
Comparative Psychology will, I fear, continue to suffer 
till those who assume to deal with it authoritatively 
spend more time among animals and less in their studies. 
A few observations or experiments do not give them 
insight into the psychic nature of animals, and it were 
well, I venture to think, if the qualifications of the 
comparative psychologist, as set forth by Dr Groos, in 
the preface to his admirable work, “Die Spiele der 
Thiere,” were thoroughly known and believed in by all 
psychologists. WESLEY MILLs. 
M‘Gitt University, MonTREAL. 
NEWLY-HATCHED CHICKENS INSTINCTIVELY DRINK. 
To tHE Epiror oF Science—In the issue of 6th 
March 1896, appears an excellent and accurate note by 
Wesley Mills, calling attention to an error of state- 
ment made by Prof. Morgan in Science (issue of 14th 
February 1896). 
With due deference to “The Writer of the Note,” who 
follows Mr Mills, and who says that Morgan’s argu- 
ment is satisfactory—that “a chick might die of thirst 
in the presence of water”—I desire to say that this is 
not my understanding of the case. I have been, during 
the last thirty-five years, a breeder of fowls as an 
amateur, and I have given the hatching and rearing of 
chickens close and continued attention. I have re- 
peatedly placed a shallow water-dish before the bars of 
the coop in which a newly-hatched brood had been placed 
the day previous, taken there directly from the hatching 
nest, and in which they never had food or water 
