TABLE 4 

 Further analysis of the data of table 1 , 9 No. 60 {hybrid 7/8 St. alba, 1/8 St. risoria) 



Total from 1st of clutch = 17d^ : 19 9 (unknown 8); 2nd = 16cf : 25 9 (un- 

 known 6). 



1 Eleven clutches are present, but the first following a rest is left out of account 

 in rating the time between clutches. 



' Female twins were produced at the close of this period. 



245 



