COLEOPTEEA. 



421 



quite large, and there is but a paii- of ocelli, when present, or 

 there may be but a single ocellus. The antennae are generally 

 inserted just in front of the eyes, and rarely between them aa 



Fig. 346. 



in the previous suborders. They are either filiform where th© 

 joints are cylindrical, as in the Carabidce, not enlarging 

 towards the end, or serrate, as in the El at eridce, where the 



buccal oppiiin.cr; I, gula or throat; m, m.. l)iiccal sutures; n, gular suture; o, pro- 

 sternum;//, cpisternum of prothoi-ax; p, epiineron of prothorax; q, q', q", cox»,- 

 r, rf, r", trochanters ; s, s\ s", femora or thighs ; t, f,t'\ tibia; ; r, v'', r', etc., ventral 

 abdominal segments; 70, episterna of mesothorax (the epimerou is just behind it); 

 3-, mcsotcrnum ; y, episternum of metathorax ; y', epimeron of metathorax ; z. nieta- 

 sternum. 



Fig. .346. upper surface of Necrophorns Americanus. (After Lecoiirc.i a man- 

 dible ; b, maxillary palpus ; c, labrum ; rf, clypeus ; e, antennie ; /, front ; g, vertex ; 

 /i, occii)t,t: j, nock; /.•, eye; 7, pronotum (usually called prothorax); to, elv'tron; n, 

 himl wing;o, scutellum (of me.sothorax); p, metanotum (or dorsal surface of meta- 

 thorax) ; 7, femur or thigh; r, r, r, toi-gite^ of the abdomen; s, s«, s^ spiracles 01 

 stigmata; t, t, t", tibia;; v, tibial spurs; «•, tarsi. 



