XXVI 
Jtive Bee — continued, 
Cleanliness 
Language 
Anger 
Wars 
Enemies 
Accidents 
‘Temperature of the hice 
CONTENTS. 
Tnstincts not mere sensations 
LETTER XXI. 
Means By wuicn Insects DEFEND THEMSELVES 
1, Passive. 
By imitating various substances, objects, and colours 
their brilliant colours 
frightful aspect, horns, &c. 
spines, hairs, &c. 
hardness and toughness : 
involuntary offensive secretions - 
power of vitality 
extraordinary multiplication 
2. Active. 
By rolling themselves into a ball 
simulating death 
assuming various attitudes 
motions to alarm or se their enemies 
noises 
disgusting and powell seents 
scent-organs 
explosive discharges 
emission of repulsive fluids 
their weapons of defence 
concealing themselves 
feeding only by night 
especial modes of defence 
Motions or Insects. 
Larva and Pupa 
1. OF Larve. 
LETTER 
Destitute of proper lezs - 
Provided with proper ‘legs 
Residing in water 
2, Of Pupe 
XXIT. 
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