56 
ANIMAL ACTIVITIES. 
7. How are butterflies protected ? 
8. Does the pupa of a butterfly breathe ? 
9. Do you know any common animals which are 
protected by their color ? 
Topics for Reports. The Silk-worm. The Gypsy- 
moth. The Clothes-moth. The Life-history of Cecro- 
pia. The Metamorphosis of Lepidoptera. How to 
Destroy the Most Injurious Lepidoptera. Insects as 
Food. 
VOCABULARY. 
A'nus (Lat. anus, a ring), the 
opening of the digestive canal 
opposite the mouth. 
Chrys'a lis (Gr. ckrysos , gold), the 
naked pupa of a butterfly. 
Cos tal (Lat. costa, a rib), the ante¬ 
rior part of a wing. 
Co coon' (Lat. concha, a shell), the 
silken covering of a pupa. 
Gan'gli on {Gr. ganglion, a tumor), 
a nerve-mass. 
Haus tel'late (Lat. hausirum, a 
water-drawing machine), having 
mouth-parts fitted for sucking. 
I ma'go (Lat. wiago, likeness), the 
adult insect. 
Lar'va (Lat. larva, a mask), the 
stage of metamorphosis immedi¬ 
ately succeeding the egg. 
Man di bu late (Lat. mando, chew), 
having mouth-parts fitted for 
biting. 
No'tum (Gr. notos, back), the dor¬ 
sal surface. 
Pri'ma ry wings (Lat. primus , 
first), the first pair of wings. 
Pro bos'cis (Gr. pro, before, and 
bosko, feed), the sucking tongue 
of a butterfly. 
Pu pa (Lat. pupa , a doll), the stage 
of metamorphosis after the larva. 
Sec'on da ry wings (Lat. secun- 
dus), the second pair of wings. 
Vein (Lat. vena, a blood-vessel), 
one of the vein-like ribs of an 
insect’s wing. 
Vein'ules, branches of veins. 
