136 
TABULAR STATEMENT OF FERTILE EGGS LAID, AND 
Pedigree Moth-breeding. 
REARED, WITH MEASUREMENTS. 
MOTHS 
MOTHS. Larval 
ae & pupal 
sii Largest.| Smallest Dift | Average period. 
argest. . . | ge. Days. 
First Generation. 
WIL. 
a 1 20-20* 
fe) 4 22°40 18-10 4°30 20-20 
> jaa pul | | | 00 | 
Second Generation. 
SLEEVED. 
is 34 18-70 16°70 2-00 17°35 
2 23 | 20°30 | 16:30 | 400 | 1824 {| 
er a 40 | a Dojo Pot 
Borruenp. 
db 31 18-70 16-60 9-1 4G 17°65 
eC) 32 20°70 | 18:10 | 2-60 19-26 
SO | as lea Ae el ia ey a 
Forcep. 
re 25 19-00 15:90 3:10 17°54 
co) 33 20:80 17:90 2°90 18°95 
2 SR eR Ee ey SS ey 
TEhAdrd Generation. 
Forcep. Al. 
db 68 19-60 | 
2 61 21:10 | 
«Ce ee a ea | | 
Forcep. M1. 
rf 35 | 17°88 
& 53 Padi 19-20 
A015] | 88 | | | | 1:32 32 
Forcep. Z1. 
oS 16 16°90 15-40 1°50 16°15 
2 14 | 18:30 | 1560 | 2-70 | 17:57 
Wilby) gd0edis wel 20 | [sh decd 
Fourth Generation. 
Forcep. M2 
ea 35 19-80 17:00 2.80 18-41 
ce) 26 20-90 18-20 2-70 19-40 
210 | | 6? | aig 1-307 | Lk} Di feaeiii, 
* Average of five males taken in spring, 21-50; of five females then 
taken, 19-90; difference in favour of male, 1:60. 
tions the difference is ‘89 to 1°61 in favour of female. 
EXPLANATION OF PuatE VY. 
The explanation of this Plate will be found at p. 128. 
In all the later genera- 
