Rev. F. W. Hope on some new Insects collected in Assam. 447 



The above insect is one of the most lovely in colouring of all the Lepidoptera. 

 When viewed by individuals standing in a different light, the blue appears to 

 one j)erson to be of a vivid green, to another of a lazulite blue. I have had 

 drawings made by different persons ; the first contends that the colour is green, 

 and the second that it is blue ; in short, both are right ; all depends on the 

 situation in which the individual views the specimens. 



EXPLANATION OF THE PLATES. 

 Tab. XXX. 



Fig. 1. Anoplophora Stanleyana. 



2. Callichroma Griffithii. 



3. Callichroma Cantori. 



4. Oplophora Sollii. 



5. Monochamus ruber. 



6. Euoplia polyspila. 



Tab. XXXI. 



Fig. 1. Lystra aeruginosa. 



2. Aphana aurantia. 



3. Bomhyx spectahilis. 



4. Eterusia tricolor. 



a. Head, and bar of antenna, b. Part of antenna, c. Apex of 

 hind-wing. d. Fore-leg. e. Ungues. 

 6. Erasmia pulchella. 



a. Head, and base of antenna, b. Apex of the fore-wing. c. 

 Apex of hind-wing. d. Hind-foot. 



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