54 
CASSIDA. 
with a row or fringe of projecting fibres, the two 
terminal ones being much longer tlian the rest, 
and generally carried in an upright position while 
tlie animal is in motion. When ready for its 
change, it fastens itself to a leaf, and casting its 
skin, commences chrysalis, which is also of a very 
unusual shape, and is remarkable for the breadth 
or dilatation of the fore-part. From the chrysalis, 
in the space of three weeks, proceeds the insect in 
its complete state. 
Cassida marglnata is more than double the size . 
of the preceding, and is of a yellowish brown 
colour, wdth blue-green thorax. It is a native of 
India. I . 
Casmla lateralis is still larger, and brown with 
a brassy or metallic lustre, and has a large oval 
yellow spot on the middle of each wing-shell. It 
is a native of South- America. 
Cassida grossa is of a still superior size, being, 
perhaps, the largest of the genus, and is of a bright 
red colour, with the wdng-shells thickly marked 
by small black spots on the middle part, and by 
strong, ramified, transverse black streaks on each 
side. It is a native of South- America. 
