THE TEKEAPIN SCALE. 



39 



p. m. This larva traveled 192 cm. in 2 hours and 35 minutes at an 

 average rate per hour of 74.84 cm. (Fig. 13.) 



STAfiT 



Fig. 13.— Tracing of a female larva of the terrapin scale for 2 liours and 35 minutes during 

 the first day of the twigward migration. Distance traveled, 192 cm. (Original.) 



Table XXVI. — Rate 'per hour and distance traveled hy two migrating larva; of the 

 terrapin scale on wrapping paper. 



» Larva number. 



Observed — 



Interval. 



Distance. 



Rate per 

 hour. 





[2.25 p. m 



Mm. 



Cm. 



Cm. 



2 '.. 



2.47 p.m.. 

 3.40 p.m.. 



4 p. m 



4.45 p. m.. 

 5p. m 



22 



53 



20 



25.7 



15 



58 



57 



31.fi 



25.7 



21 



158.88 

 64.33 

 94.8 

 34.26 

 84.00 





Total 



2hrs. 35 m. 



192 



74.84 





fll a m 













3 



11.30 a. m. 



■ 12 noon 



12.30 p. m. 

 Ip. m 



30 

 30 

 ■30 

 30 



53.5 

 45 

 48.1 

 37.5 



101.5 

 90. 





96.2 



75 



Total 



2hrs. 



18-1.1 



92.05 









