448 



M. R. CLARE. 



TABLE II. 



PUPAL WEIGHTS AND OXYGEN PER GRAM FOR TOTAL STOCKS. 



Figures for weights are based on lots of 10 pupae, stated in milligrams; figures 

 for oxygen consumption are rates per minute, stated in cubic millimeters. 



period when the room temperature varied between 25 and 30 

 C., a collection of weights was made which for lots of 10 pupae 

 present mean values of 11.83 - 1 5 2 > 10.86 .169 and 11.00 

 .194 for the three days of pupal life. It is, therefore, evident 

 that an inverse relation obtains between temperature and pupal 

 weight. When the range of temperature is not very great, 



TABLE III. 



COEFFICIENTS OF VARIATION FOR PUPAL WEIGHTS AND OXYGEN PER GRAM. 

 The coefficients are based on the figures presented in Table II. 



