Kvi CONTENTS. 



Page 

 Pive Bee — continued. 



Cleanliness ---_-... 394 

 Language ---.._-. 394 

 Anger -----... 395 



Wars ........ 397 



Enemies ----.-.. 399 



Accidents ----._-_ 40O 



Temperature of the hive •...._ 40I 

 Instincts not mere sensations - • > . . 402 



LETTER XXL 



Means by which Insects defend themselves » » . 404 — 430 



1, Passive. 



By imitating various substances, objects, and colours - - 404 



their brilliant colours - ... - 407 



frightful aspect, horns, &c. - ... - 407 

 spines, hairs, &c. _....- 408 



hardness and toughness - - - - . 409 

 involuntary offensive secretions ----- 409 

 power of vitality ----.- 409 



extraordinary multiplication - • - . -411 



2. Active. 



By rolling themselves into a ball - - . - - 411 



simulating death - - - . . -412 



assuming various attitudes - - . - - 413 



motions to alarm or escape their enemies - - - 415 



noises • - . . . . -415 



disgusting and powerful scents - - » - 416 



scent-organs - - - . - • -416 



explosive discharges - . - . -418 



emission of repulsive fluids - - » - - 419 



their weapons of defence - ... - 422 



concealing themselves - - _ . - 424 



feeding only by niglit ... - - 428 



especial modes of defence • . . _ - 428 



LETTER XXIL 



Motions of Insects. 



Larva and Pupa - - - ■ « . 43 1 — 446 



1. Of Larva. 



Destitute of proper legs - - - « ' - - 432 



Provided with projier legs .... - 438 

 Residing in water ---«_. 442 



2. Of PwpcB . . - r. , . - 443 



