1865.] 



for the Mercantile Marine. 



549 



Means 0'82 ... 0-63 ... 3'72 ... 3'45 ... 0'43 ... 2'43 ... 55 



From these six examples, the following results for the middle period of 

 the test are deduced : 



TABLE II. Showing the mean daily rates, gaining, in three definite 

 temperatures. 



TABLE III. Showing the weekly increase of gaining-rate deduced from 

 the first and last weeks of the test. 



No. i. 

 s 

 0'04 



No. 2. 



s 

 -0-03 



No. 3. 



8 



0'05 



No. 4. 

 0-11 



No. 5. No. 6. 



s s 



-0-19 -0-03 



