SYSTEMATIC INDEX. 



PAGE 



INSECTS IN GENERAL 1 



Internal structure of insects 2 



Circulatory system 3 



Respiratory system 3 



Digestive system 4 



Secretory system 5 



Muscular system 5 



Organs of the senses 5 



Sounds made by insects 7 



Metamorphoses of insects 8 



Sexes of insects 9 



External structure of insects 10 



Head and appendages 10 



Thorax and appendages 12 



Abdomen and appendages 14 



Capturing and preserving insects 14 



Instinct of insects 17 



Insects practically considered 17 



General utility of insects 18' 



Division according to food-habits 19 



Tr latment of injurious insects 21 



Classification and nomenclature 22 



Di\Tsion into orders 24 



Table of orders 25 



The order of Coleoptera 26 



External anatomy 27 



LarviB and pupa» 29 



The Coleoptera practically considered 29 



Aids in classifying 32 



Classification of Coleoptera 35 



Section I. PENTAMERA : 

 Synopsis of the Pentamera 36 



Sub-section I. ITiliconies- 



Tribe I. 



PEEDACEOUS GROUND-BEETLES. 



Families : 



CICINDELID^ V 38 



Cicendela 38 



CARABID^ 39 



Carabides 42 



Caiabus 43 



Calosoma 43 



Cychrus 43 



Nebria 43 



Elaphrus 43 



Notiophilus 43 



Omophron 43 



SCARITIDES 43 



Pasimachus 43 



Scarites 43 



Clivina 43 



Dyschirius 43 



Brachinides 44 



Galerita 44 



Brachinus 44 



Lebia 44 



Dromius 44 



CARABIDJE. PAHB 



Brachinides. 



Calleida 44 



Cymindis 44 



Casnonia 44 



Leptotrachelus 44 



Helluomorpha 44 



Chl^niides 45 



Panagseus 46 



Chlienius 46 



Dicaelus 46 



Diplocheila 46 



Oodes 46 



Badister 46 



Harpalides 47 



Anisodactylus 48 



Gynandropus 48 



Harpahis 48 



Stenolophus 48 



Bradycellus 48 



Pterostichus 48 



Poecilus 48 



Amara 48 



Calathus 48 



Platynus 48 



Patrobus 48 



Trechus 48 



Geopinus 48 



Agonoderns 48 



Bembidudks 49 



Tribe n. 

 PREDACEOUS "WATER-BEETLES. 



DYTICID^ 50 



Haliplus 51 



Cy bister 51 



Dytiscus 51 



Acilius 51 



Hydaticus 51 



Colymbetes 51 



Agabus 51 



Laccophilus 51 



Hydroporus 51 



GTRINID^ 51 



Gyrinus 51 



Sub-section II. Clavicomes. 



Tribe III. 



WATER SCAVENGER-BEETLES. 



PARNID^ 52 



Pamua 52 



Elmis 52 



Heterocerus 52 



HYDROPHILID^ 53 



Helophorus 54 



Hydrophilus 54 



Berosus 54 



Hydrobius 54 



Sphoeridiam 54 



