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POPULAR SCIENCE MONTHLY. 



equal quantities of solid food and milk at six o'clock in the even- 

 ing. The alcohol is thoroughly mixed with this meal. In the 

 morning, each is given half a Spratt biscuit. This forms the 



staple diet, but is gen- 

 P erously fortified with 



good meat, both raw 

 and cooked, and plen- 

 ty of good gnawing 

 bones. 



A large, sunny 

 yard, kept clean; a 

 good, dry kennel, and 

 good kennel hygiene, 

 including frequent 

 disinfection ; clean, 

 cool water, three 

 times a day in hot 

 weather ; dry beds 

 with plenty of clean 

 straw and sawdust ; 

 careful and regular 

 attention to para- 

 sites, both internal 

 and external all these things have conspired to render the experi- 

 ment thus far physiologically ideal. 



The dogs were weighed, always before their breakfast, at first 

 daily ; later, every week. Their respective lines in Fig. 7 tell the 

 story of their growth at a glance. Until nine months of age. 

 Bum remains heavier than Nig. Topsy is evidently destined to 

 be a much smaller dog than her sister. February 31, 1807, they 

 weighed as follows : 



Bum. 



Nig. 

 Fig. 9. October, 1896. 



Nig 10,520 grammes. 



Bum 9,950 " 



Topsy II 10,630 grammes. 



Tipsy 10,060 



Both the alcoholics are thus seen to be a little lighter than their 

 controls, 5'4 per cert. This does give a small margin in favor 

 of the normal animals, but it is doubtful whether four puppies 

 would be found to grow under normal conditions more uniformly 

 and come out more evenly at the end of two years. It would 

 certainly be straining a point to claim any "stunting" effect of 

 alcohol administered as above described. 



For the general setting of the experiment, it only remains for 

 me to add that, barring the accidental death of Topsy, and a 

 trifling exception in Bum^s case, the health of all the dogs has 

 been perfect from the beginning of the experiment up to the pres- 

 ent. Tipsy and Bum have not always eaten all that was offered 



