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INSEGTA 



INSECTA. 



i. Head of a female Culex [Diptera] from above. (Low power.) Eyes; antennae; labrum or upper 

 lip; the proboscis constituted by the labium or fused 2nd maxillae, in a dorsal groove of which are 

 contained (when not extruded) the styliform mandibles and ist maxillae and the hypopharynx or 

 lingua ; the groove is closed dorsally by the labrum ; maxillary palps. 



[In the male, the maxillary palps are much longer, and the antennae bear very long hairs.] 



2. Head of a Notonecta or Water-boatman [Hemiptera] from above. (Low power.) Eyes ; 

 antennae; labrum; jointed proboscis or labium; the stylet-like mandibles and ist maxillae, contained 

 in the proboscis. [There are no maxillary or labial palps.] 



