156 Mr. F. Merrifield's systematic temperature 

 Table XVI. — Illustraria autumn pupae, forced. 



Table XVII. — lllmtra Ha autumn -pnT^se, warmed, then wintered (frosty weather). 

 c . ^ 'i Days. 



Sp. up 



and 



warmed. 



Ord. 

 temp. 



Wintd, 



O 0) 



3 tl2-14ix 



4 1 



6 I 



7 



8 22 ix ? 



12 xi 



27 xi 1 i 



W 



9i 



1<?| 60 



<?! 60 



2 ' 60 



y , 60 



$ 60 



gi 55? 



35 

 50 

 

 

 13 

 40 



Fair 



Crippled 



Fair 



Crippled 



Perfect 



Perfect 



PI. fig. 10 



The object of the " ordinary temperature " was to prevent a sudden change of temperature. 

 Warm " means a temperature of about 70°. 



Table XVIII. — Illustraria autumn pupfe at ordinary indoor 

 temperature (45°-55°), afterwards wintered or warmed, or hoth. 



Nos. 1 and 6 to 13, $ and 2 5 (wintered) very slightly darker than the rest ; 

 No. 1, rf .especially dark. 



