442 



PROCEEDINGS OF THE ACADEMY OF [Jwly, 



Table XVIII — Alternate Heat and Cold. 



Ex. 



Days. 



149 A 

 B 



150 A 

 B 



151A 

 B 



152A 

 B 



153A 

 B 



154 A 

 B 



155 A 

 B 



156 A 

 B 



157 A 

 B 



158A 

 B 



159A 

 B 



209A 

 B 



210A 

 B 



211A 

 B 

 C 



212A 

 B 

 C 



52 



52 

 61 

 52 

 52 

 45 

 42 

 42 

 42 

 48 

 48 

 42 

 42 

 44 



44 



No. 

 beg. 



No. 

 end. 



1 

 4 

 4 

 3 

 10 

 7 

 2 

 2 

 2 

 2 



1 

 5 

 7 

 4 

 4 

 8 

 8 

 2 

 2 

 2 

 2 

 3 

 2 

 4 

 4 

 5 

 5 

 4 

 5 

 5 

 4 



Variable. 



Alt. 2 weeks. 

 AVarm. 

 Alt. 2 weeks. 

 Warm. 

 Alt. 2 weeks. 

 Warm. 

 Alt. 1 week. 

 Warm. 

 Alt. 1 week. 

 Warm. 

 Alt. 1 week. 

 Warm. 

 -\lt. 1 week. 

 Warm. 

 Alt. 2 weeks. 

 Warm. 

 Alt. 2 weeks. 

 AVann. 

 .A.lt. 1 week. 

 Warm. 

 Alt. 1 week. 

 Warm. 

 .\lt. 1 week. 

 Warm. 

 Alt. 2 weeks. 

 Warm. 

 Alt. 2 weeks, 

 Alt. 2 weeks, 

 Heat. 



.\lt. 1 week. 

 Alt Iweek. 

 Heat. 



Constaut. 



Size. Dif, 



N. 500 cc. 

 W. P. 500 cc. 

 W. P. 500 cc. 

 N. 500 cc. 

 N. 500 cc. 

 N. 500 cc. 

 W. P. 750 cc. 

 W. P. 750 cc. 

 W. P. 750 cc. 

 X. 500 cc. 

 N. 500 cc. 

 W. P. 750 cc. 

 W. P. 750 cc. 

 W. P. 750 cc. 



W. P. 750 cc. 



.0110 

 .0055 

 .0078; 

 .0035 

 .0086j 

 .0062! 



4.4 



4.5 



4.9 



5.6 



6.0 



8.5 



5.0 



5.9 



5.6 



6.5 



3.5 



3.1 



3.0 



6.5 



3.1 



5.2 



10.2 



4.4 



6.3 



7.2 



6.1 



4.2 



7.6 



6.6 



6.7 



8.0 



Per 



cent. 



.0055! 



.0043 



.0024 



..7 



2.5 



3.5 



2.1 



5.8 



2.5 



1.4 



23% 

 23% 

 10% 



.02% 

 12% 

 29% 



15% 



14% 

 11% 



54% 



40% 



57% 



12% 

 34% 



18% 



Table XIX — ^Alternate Light and Dark. 



