[45 



Tympanum (tym'pa-num), 28. 

 Typical branching of the wing-veins, 

 95- 



Upper lobe, 15. 



Vagina, 41. 



Vagus nerve (va'gus), 51. 



Vasa cleferentia (va sa def-e-ren'ti-a), 



40. 

 Vas deferens (vas deferens), 40, 

 Venation of the wings, 86. 

 Ventrad (ven'trad), 2. 

 Ventral (ven'tral), 2. 

 Ventral diaphragm, 4g. 

 Ventriculus (ven-tric'u-lus), 36. 

 Vertex (ver'tex). 11. 

 Vespa maculata, 75. 



Ward, the sufifix, 2. 

 Wing-covers, 27. 

 Wings, 27. 

 Wings of the heart, 48. 



of ant-lions, 115. 



of an Asilid, 98 



Wings of a Bombyliid, 98. 



of a Braconid, 108. 



of Chauliodes, 115. 



of Corydalis, 115. 



of a Cossid, loi. 



ol Culex, 99. 



of Dolichopodids, 98. 



of an Empidid, 98. 



of frenate moths, loi. 



of Hepialus, loi. 



of a Honey-bee, 108. 



of Hymenoptera, 102. 



of an Ichneumon-fly, 108. 



of Lepidoptera, 99. 



of the Monarch butterfly, loi 



of a Muscid, 98. 



of Neuroptera, 108. 



of Rhyphus, 87. 



of Scenopinid, 98. 



of Sialis, 115. 



of a Siricid, 108. 



of a Sphecid, 108. 



of a Syrphid, 98. 



of a Tabanid, 98. 



of Tenthredinids, lo8« 

 Wing-veins, 86. 



