INDEX. 



575 



Order Coleoptera — continued. 



Divided into four section?, according to number of joints 



in feet .... 



Section of Pentamerans 

 Tiger beetles, their rapacity, beauty, and 

 Dens of larvae .... 

 Ground beetles, their habits . 

 Bombardiers .... 

 The ^vork intrusted to the carni 



well-being of nature 

 Water beetles 



Their predatory excursions . 

 Tlieir larva? "water-tigers'" . 

 Equally active and ferocious . 

 Insect scavengers 

 Brachelytrous pentamerans . 

 Eove beetles .... 

 Serricornes, how distinguished 

 Their mngnificence 

 Vegetable feeders 



Spring beetles, for what remarkable 

 TJie cucujo, its brilliant light 

 Glow-worms, their luminosity 

 Death watches .... 

 Habit of calling to their mates 

 Clavicornes .... 



Carrion beetles .... 

 Sexton beetles, their remarkable instinct 

 Bacon beetles .... 

 Palpicornes, principally aquatic . 

 Large water beetles . 

 Tl}eir singular table . 

 Laraellicornes, how distinguished . 

 Live on vegetable substances 

 Scavenger beetles 

 Live in tropical climates 

 Second Section, Heteromerans, how distinguished 

 Melasomes, for what remarkable . 

 Meal-grindti-rs .... 

 Taxicornes. .... 



Stenelytra ..... 

 Trachelides, how distingnishcd 

 BUster beetles .... 

 Coleopterous tetramerans 

 What beetles included in this section 

 Snout beetles .... 

 Weevils ..... 

 Diamond beetles. 

 The wood caters, for what purpose appointed 

 Long-horned beetle 

 Trimerans ..... 

 Lady-birds destroy aphides . 

 Orthoptera . . . . • 



In what circumstances thev differ from Ijeetle 



activity 



essential 



to 



