1916] Thoracic and Cervical Sclerites of Insects 



83 



EXPLANATION OP PLATES, 



di«pS,^^?,V*°h,\^^ T^""'^ °^ *-t? ^''°'^''' ^^^ ^§^^^^ ^'•e necessarily somewhat 

 diagramatic, but as far as possible, represent the natural condition of the sclerites 

 as they occur in the thorax of these insects. In lateral views the anterior end 



fs tttop^^s ii%it ''''■ '^ ^''''^' ^"^^ ^°^^^^ ^-- ^^^ -^--' -^ 



Fig. 2. 



Plate I. 

 Fig. 1. A lateral view of the thorax of Tipula, including part of the dorsum and 

 le removed "" segment. Head, wing and the greater part of each 

 A lateral view of the thorax of Leptis, including part of the dorsum and 

 k ^ removed °"''"^ segment. Head, wing and the greater part of each 



Plate II. 



^ ^!^!^f\'^''^^^''? "^i^"^ °^ *^^ *^°^^^ °^ P^riplaneta, showing the ventral 

 Hpt?^''?lf '"'^'f ' *°g^ther with the edge of the pronotum and wings. 

 Head and the greater part of each leg removed. 



A three-quarters view of the thorax of Capnia, showing the ventral and 



^ll'f. "ff^.'^''' '?^''^'' ^;*^ ^h^ ^^g^ °f ^he pronotum and wings 



Head and the greater part of each leg removed. 

 Dorsal cervical sclerites of Periplaneta. 

 ^'corldMr^''^'^^'^^^^^^' °'^'''''"'"'"S between the pro- and mesothorax of 



Plate III. 

 A three-quarters view of the thorax of Gryllus including the lateral and 



ventral sclerites, together with the edge of the pronotum and wings. 



Head and greater part of each leg removed. ^ 



A three-quarters view of the thorax of Forficula, including the lateral 



and ventral sclerites and the edge of the pronotum and wings. Head 



and greater part of each leg removed. • 



A three-quarters view of the prothorax of Ectobia lapponica, including 



the ventral and lateral sclerites, and the edge of the pronotum. Head 



and greater part of each leg removed. 

 A lateral view of the mesothorax of Corydalis, including part of the 



tergum and sternum. Most of the leg removed. 



Plate IV. 

 A lateral view of the thorax of Tabanus, including part of the dorsum 



Head wmg and the greater part of each leg removed. 

 Ventral view of the prothorax of Dolerus, showing ventral and lateral 



sclerites. Head and greater part of each leg removed. 

 Lateral view of the thorax of Chrysopa including part of dorsum and first 



abdominal segment Head, wing and greater part of each leg removed. 

 A ventral view of the prothorax of Macroxyela, showing ventral and 



lateral sclerites. Head and most of each leg removed 

 Ventral view of the prothorax of Abia, showing ventral and lateral 



sclerites. Head and most of each leg removed. 



