218 AMPHIBIA. 
grey, or black mixed with a little grey. This it 
fometimes changes, and becomes entirely of a brim- 
Hone yellow: this is the colour I have feen ft 
moft frequently affume, except that firft mentioned- 
I have feen it affume a darker yellow, approach- 
ing fomewhat to a green, fometimes a lighter ; at 
•which time it was in colour more inclined to a , 
white than a yellow. I have not obferved him to 
affume any more colours; fuch as red, blue, purple. 
&c. I am, for this reafon, inclined to believe, that 
all which has been faicl concerning the changing and 
fhifting of colours in the Chameleon, confifts only 
in this, that on certain occafions it changes the 
dark colour, which feems to be natural to it, into 
yellow, of various fhades. This change it makes 
frequently. I obferved, that it more particu- 
larly did it on two occafions; one was when I e*' 
pofed it to the hot beams of the fun, and th e 
other when I made it angry, which I did by point- 
ing at it with my finger. When it was chang' 
ing from black to yellow, the foies of its fe<^ 
(Plant* & Palm* Pedum) its head, and the bag 
under its throat (Gula faccata) began firft to chang 6 ' 
which was afterwards continued over the who* 
body. I faw it feveral times fpeckled, or mark 6 
with large fpots of both colours over the who* 
body, which gave it an elegant appearan c6 j 
When it was of an iron grey colour, it extend 6 
its fides, or ribs, and hypochondria, which made 
fkin fit clofe to the body, and it appeared pl ull j, 
and handfome; but as foon as it turned yello-w'. ^ 
contrafted thofe parts, appearing thin, empty, le ' ! 
and ugly; and the nearer it approached in co 
to white, the emptier and uglier it feemed, 
appeared worft in regard to fhape, when it 
fpeckled. I kept this creature alive for nve ^ r 
