NO. 23 



INFLUENCE OF ATMOSPHERE ON HEALTH 



43 



Box II 



Guinea-pigs 

 Hnger white. . . 

 Jght brown . . . 

 Mack and tan. . , 

 Jrown. white 



star 



Dark brown.. . . 

 r awny 



Rats 

 Black and white 

 Black and white 

 Black and white 



White 



White 



White 



Initial 

 weight 



Gra»is 

 121 

 141 

 115 



127 

 l60 

 178 



90 



67 



117 



165 

 102 



76 



Increments oi weight per week in 



4 and 5 



-'II I ) 



-71 13' 13') 



29( 14' M' 1 



251 122 1-'') 



25I I _• '■ ij.' ) 



dead 

 lost 

 3 < 1 ' 1 1) 



4< 2 



Dark 



Temperature 



Dry bulb Wet b lb 



^irst week. 



second week. 



'hird week . 



"ourth week. -: 



Degrees C. 



i8i 



I9h 



19 

 14 

 i6i 



164 



16 

 19 



20i 

 20l 



20 :J 

 20 

 18 

 16 



15 



16 



f I7 



ifth week.. . •] 1 q 



I 16 



Degrees C. 



184 

 i9i 



18 



i3i 



i5i 



i6i 



16 

 18 

 20 

 19 



I9i 

 194 



17 

 15 

 15 



15 



17 



17 

 13 

 15 



CO. 



Per ct 

 O.78 

 I.69 

 2.01 



i-95 



3-5 



4-53 

 0.65 

 1 . 11 



1. 13 



0.71 



0.86 

 0.72 

 0.63 

 0.89 

 1.23 



0.9 

 0.89 



1.03 



0.749 

 0.69 



Temperature 





Dry bulb Wet bulb 



Sixth week. . . 



Seventh week. 



Eighth week. . 



Ninth week .. . 



Tenth week. . . 



Eleventh w'k.. 

 Twelfth week. 

 Thirt'th week. 



Eourt'th week. 



Degi 



I .5 



17 

 [8 



_'!> 

 171 



[9 



2< 1 : . 



22 

 21 1 



20l 



21 



22 



21 



