10 



EFFECT OF DIET ON THE ALBINO RAT 





OMNIVOROUS RATS 



VEGETARIAN RATS 



Age N 

 m 



0. I 



No. 2 



No. 3 > 



Jo. 4 



No. 5 



No. 6 



No. 7 



No. 8 



Mos. ^ 



lale 



Male 



Female ] 



klale 



Male 



Female 



Femal 



2 



Femal 



e 



I 



348 



1002 



620 



448 



1 182 



752 



318 



970 





2 1 



200 



1 124 



2118 I 



336 



1964 



668 



716 



1952 



3 



790 



886 



1956 I 



832 



1618 



682 



1396 



2238 



4 5 



028 



5850 



5782 9 



406 



2150 



542 



2870 



1468 



5 I 



206 



3930 



7280 



834 



420 



657 



1206 



3496 



6 



540 



1644 



8482 



540 



596 



920 



1 170 



1472 



7 I 



307 



3144 



IO185 3 



574 



1084 



1 128 



3244 



1904 



8 2 



024 



3274 



9518 4 



276 



676 



5652 



2400 



3884 



9 6 



002 



7574 



8930 2 



836 



836 



656 



8962 



4106 



lO 2 



618 



4398 



8260 2 



882 



858 



578 



876 



2962 



II 3 



62c 



2096 



8640 2 



310 



1006 



340 



670 



882 



12 2 



186 



4258 



8902 2 



616 



II44 



528 



' 898 



1004 



13 4 



964 



7066 



11044 3 



084 



602 



46 



316 



708 



14 3 



86c 



6374 



10992 3 



004 



168 





... 



524 



634 



IS I 



428 



4768 



8198 2 



556 



90 









918 



96 



i6 I 



oot 



> 2642 



13002 I 



364 



342 









68 



96 



17 2 



684 



4776 



5982 I 



998 



84 









.... 



72 



i8 



744 



2364 



9732 I 



512 



88 















22 



19 



99^ 



> 2476 



8312 



808 



70 















60 



20 



80^ 



) 2056 



9658 



720 



82 















24 



21 



69c 



' 1520 



2210 



482 



56 















58 



22 



33^ 



) 1810 



5468 



290 



52 















22 



23 1 



696 



) 1680 



3188 



456 



40 















88 



24 



38c 



> 1352 



3100 



220 

















.... 



25 



9A 



^* 1466 



4612 



196 

























26 





188 



2538 



48* 

























27 





160 



1968 



























28 





180 



5171 





























29 





72 



2424 





























30 





56 



2832 





























31 





28* 



1706 





























32 





.... 



2312 





























33 







488 





























34 







435 

 60* 





























Table I. — Average daily revolutions of the omnivorous and vegetarian rats 

 at ages indicated. 



female, which remained practically unchanged. Then, with the except- 

 tion of the vegetarian female, there was another general increase up to 

 the fifth month. Again, at the tenth month, all show an increase, except- 

 ing the vegetarian male, which shows a slight decrease. 



*The number of revolutions during the 24 hours previous to death. 



