W. BOWATER 



307 



In September, 3 j^iipae from an altogether fresh .source were ob- 

 tained (10.5). 



The following April they emerged, 103 specimens (see 1910 table). 

 Various pairings and cross-pairings were made, and 13 families safely 

 reached maturity — 410 .specimens (see 1911 table). 



From the.se 62 pairings were made, and 33 families, comprising 

 1021 specimens, were raised to maturity (see 1912 table). 



From the specimens which emerged in 1913 various pairings were 

 made, including crosses between the palest of the type forms and the 

 most nearly black, and at the present moment there are over 1000 

 living })upae, comprised in 21 families, 4 of them represented by over 

 100 specimens each '. 



0. bidentata. Classified Tahh. 



Specimens 



Families 



Type 



Totals 



Totals ... 5 



(D) 12.11 12.1(3 12..S3 12.40 



12.46 5 



12.18 12.29 12.53 12.57 4 



217 



39 = 24.1°/„ 123 = 75.9 °/„ 



2 20 



217 



Totals 



(E) 11.5 11.9 11.8 3 



12.12 12.20 12. 2i; 12.26f 



12.31 12-39 6 



41 = 22.3% 143 = 77.7 7o 184 



57 62 



122 



123 



(F) 



10. 2 



11.1 



12.7 



12.43 



12.-59 



10.3 

 11.12 

 12. 10 

 12.45 

 12.63 



Totals 



11.14 

 12. 17 

 12.47 

 12.64 



9 



11.23 

 12.24 

 12.50 

 12.65 



12.66 



13 



179 = 49.17% 185 = 50.83% 364 

 81 



451 



Totals 



621 



621 



Combined Totals 



48 



841 



635 



1476 



' 470 imayines have emerged up to date (March 14, 1914) and they support the former 

 evidence. 



