408 



Mr. F. Merrifield and Mr. E. B. Poulton 



Gree7i paper, gmize and cabbage-leaves (6, 7, 8, 10, 11) 

 caused the appearance of far lighter pupae, the majority- 

 being the whitish-yello'iv degree (2). Here too the influ- 

 ence through glass (8) was as strong as in the other 

 experiments (6, 7). The few pupae subjected to light 

 through green glass (9) were of the two lightest and 

 greenest degrees, thus confirming the effects described in 

 Trans. Ent. Soc. Lond. 1892 (pp. 429-432, 446, 466— 



