COLEOPTERA. 



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 betvFeen them as 



Fig. 34B. 



in the previous suborders. Thej^ are either filiform where the 

 joints are C3'lindrical, as in the Carabidce, not enlarging 

 towards the end, or serrate, as in the E later idee, where the 



buccal opening; I, gnla or throat; m, m, buccal sntnres; «, giilar sntnre; o, pro- 

 sternum ;i.', episternum of prothorax; p, epimeron of prothorax; q, q', q", cox»: 

 r, r*, r", trochanters; s,s',s", femora or thighs; t, <',<", tibiae; v, v', v', etc., ventral 

 abdominal segments; w, episterna of mesothorax (the epimeron is just behind it); 

 X, mesoternum ; y, episternum of metathorax ; y', epimeron of metathorax ; s, mcta- 

 stemum. 



Fig. 346, upper surface of Necrophorus Americanus. (After Leconte.j a, man- 

 dible ; b, maxillary palpus ; c, labrum ; d, clypeus ; e, antennae ; /, front ; g, vertex ; 

 k, occiput; i, neck; l-, eve; I, pronotiim (usually called prothorax); «i, elytron; v, 

 hind wing: o, scutellum (of mesothorax); p,metanotum (or dorsal surface of meta- 

 thorax); q, femur or thigh : r, r. r, tergites of the abdomen; s, s'', s^, spiracles or 

 stigmata; t, t', t", tibia;; v, tibial spurs; w, tarsi. 



