199 
HOW AND WHY THEY CHANGE COLOUR. 
considerably in colouration, some specimens are uniform dull red 
*snouostod AyjnjzaMod ynq Aqr1jyUenb 
UI [[VUIS SI MOUDA oY *AJATIVA YORTE| UMOU-][OM IT} FO Jey} Se A[Tpeop se ysnf st equriey Jo AjoIIeA W901 OY} JO WOUAA OY T 
(‘yguus day{py) *(sdaa4snsuv sidsvapuaqg) equiry{ Jo Ayorrea uaaIH W—'7R “OL 
=" — — — 
SEO ee 
a. “a 
= 
- > 
= ih es OO eo ‘ . 
ad 
reen streaked laterally 
The degrees of 
o 
dS 
Others are yellowish- 
Others again, are uniform green. 
or purplish-brown. 
with black. 
