SHELTER DURING HIBERNATION, 



29 



centage of living stages was found in examinations during January 

 and February of 1906. In January among 1,933 bolls examined in 

 several localities 86 adults and stages were found. In February 

 14,246 bolls were examined and only 30 adults were found. The 

 lowest temperature experienced during January was 12° F, at Dallas, 

 with the mean temperature of 49.6° F. in an average of the eight locali- 

 ties wdiere the examinations were made. During February the abso- 

 lute minimum was 15° F. at Dallas and the average minimum 38.5° F. 

 During these two months in the localities where examinations were 

 made the minimum temperature went below 32 degrees on an aver- 

 age of only nineteen days. 



T.vBLE X. — Climatic conditions at eight points in Texas, January to March, 1906. 



JANUARY. 



FEBRUARY. 



Dallas , 



Corsicana 



Hearne 



Palestine 



Waco , 



Nacogdoches . 



Austin 



Victoria 



Average. 



+0.53 

 -I- .49 

 -1-2.40 



- .45 

 + .72 

 -2.09 



- .59 

 -I- .19 



+ .15 



MARCH. 



A comparison of the principal points shown in Tables VIII and 

 X indicates the relative severity of the two seasons, especially in 

 the columns showing absolute minimum and average minimum 



