INDEX. 575 



Order Coleoptera continued. PAGE 



Divided into four sections, according to number of joints 



in feet 117 



Section of Pentamerans 117 



Tiger beetles, their rapacity, beauty, and activity . . 117 

 Dens of larva) ........ 118 



Ground beetles, their habits 118 



Bombardiers . . . . . . . .118 



The \vork intrusted to the carnivora essential to the 



well-being of nature . . . . . .118 



Water beetles 119 



Their predatory excursions 119 



Their larvae "water-tigers" 120 



Equally active and ferocious 120 



Insect scavengers . . . . . . . .121 



Brachelytrous pentamerans . . . . . .121 



Rove beetles 121. 



Serricornes, how distinguished . . . . .122 

 Their mngriificence . . . . . . .122 



Vegetable feeders 122 



Spring beetles, for what remarkable .... 122 

 The cucujo, its brilliant light ..... 122 

 Glow-worms, their luminosity . . . . .122 

 Death watches * . . . . . . . .123 



Habit of calling to their mates 123 



Clavicornes . . . . . . . . .124 



Carrion beetles . . . . . . . .124 



Sexton beetles, their remarkable instinct - . . .124 

 Bacon beetles . . . . . . . .124 



Palpicornes, principally aquatic 124 



Lar^e water beetles . . . . . . 1 25 



Their singular table ....... 125 



Lamellicornes, how distinguished . . . . .125 



Live on vegetable substances . . . . .125 



Scavenger beetles 126 



Live in tropical climates ...... 126 



Second Section, Heteromerans, how distinguished . . .127 



Melasomes, for what remarkable 127 



Meal-grinders 127 



Taxicornes 127 



Stenelytra .127 



Trachelides, how distinguished 128 



Blister beetles . . 128 



Coleopterous tetrameraiis . . , . . .128 

 What beetles included in this section . . . .128 



Snout beetles 129 



Weevils 129 



Diamond beetles 130 



The wood eaters, for what purpose appointed . . .131 

 Long-horned beetle . . . . . . .131 



Trimerans ......... 131 



Lady-birds destroy aphides . . . . . .131 



Orthoptera .... .... 133 



In what circumstances they differ from beetles . .133 



