176 



HAROLD H. PLOUGH 



TABLE 14— Continued 



Hatched at 22°C. Exposed to 31.5°C. from third to eleventh day after mating 

 (also from nineteenth to twenty-first day). Nos. 607-626 



February 7. 

 February 10. 

 February 12. 

 February 14. 

 February 16. 

 February 18. 

 February 20. 

 February 22. 

 February 24. 

 February 26. 

 February 28. 

 March 2.... 

 March 4. . . . 

 March 6.... 

 March 8.... 

 March 10... . 

 March 12... . 

 March 15. . . . 

 March 17. . . . 



93 



47] 



65 | 



52 \ 197 



33 | 



39j 



63 



56 \ 224 



66 J 

 23 

 55 

 55 

 42 

 50 



69 

 64 



No. 626. Not added to above. No eggs hatched from February 18 to February 26, 

 inclusive, new male February 28 



February 28 

 March 2. . . . 



March 4 



March 6 



difference in the form of the curves caused by the application of 

 heat or cold. 



