CONTEXTS. 7 



PAGE 

 Circulation of Blood 85 



Spiracles of Larva of Bot-fly 86 



Wings of Insects. "Wing of Scatophaga, of House-fly, of Blue- 

 bottle-fly, of Syrphus, of Midge, of Gnat, of Beetle, of 

 Cricket 86 



Scales of Insects. Scales of Morphq Menelaus, of Polyommatus 

 Argus, of Hipparchia Janira, of Pontia Brassica, of Silkworm- 

 moth, of Clothes-moth, of Podura, of Lepisma Saccharina ... 91 



Elytra of Diamond Beetle 94 



Feet of Insects. Foot of Syrphus Leg of Dytiscus, or Dyticus 

 Foot of Wasp, of Ophion Leg of Bee, of Gyrinus, of Bra- 

 chinus, of Anchomenus, of Calathus Castelloides Sting of 

 Wasp and Bee, of Gnat, of Tabanus 94 



Egg of Bot-fly, or (Estrus 98 



CHAPTER III. 



INSECTS MOU>*TED "WHOLE. 



The Telephorns, or Soldier-beetle Helophorua Granularis 



Catheretes Urticae Coccinella, or Lady-bird ... ... 100 



Hemiptera. Yelia Rivulorum Notonecta, or the Water Boatman 

 Reduvius, or Bed-bug Cimex, or Field-bug Aphis 

 Aphrophora, or Cuckoo-spit Thrips ... ... ... 106 



Hymenoptera. Tenthredo, or Saw-fly Cypheus Pygmseus Ich- 

 neumon-fly Microgaster Glomeratus Aphidius Avenae 

 Ephedrus Plagiator Ceraphron Carpenterii Chelymorpha 

 Phyllophora, or the Turtle- shaped Leaf-bearer ... ... 110 



CHAPTER IV. 



DIPTERA. 



Culex Pipiena 120 



Ptychoptera : 124 



JScatopha/ja. The Family of the Brachycera the Scatophaga 

 Lonchoptera Bibeo Dolichopus The Opomyza Chlorops 

 Phoro Leptis Asilus Empis Empis Stercorea 

 Hilara Syrphus Pyrastri Borborus Equinus Sepedon 

 Sepsis 125 



The Halteres, Poisers, of Diptera. Halteres of Blow-fly Hal- 



teres of Tabanus 142 



