BEETLES. 



Fig. 4. — Under surface of male Cicindela: a, antenna or feeler; lbr, anterior mar- 

 gin of labrum; mrf, mandibula; mx. maxilla; p. mx, maxillary palpus; m, mentttm; 

 p. 1., labial palpus; s. g., gular suture; st, prosternum; st?, mesosternum; sf3, 

 metasternum; epsi, eps 2 . eps s . episterna ol pro-, meso- and meta-thorax; epm 1 , 

 epm2, epimera of pro- and meso-thorax; v-vf . ventral segments of forceps; c 1 , c-, 

 c3, coxae; tri, tr2, tr3, trochanters; fi, ft, fS, femora; tiW-,tib\ tibs, tibiae; U, t?. 

 t 3 , tarsi. After Ganglbauer. 



Btj c t 



Fig. 7. — Head and thorax of Gyrinus from the side: ant. antennae or feeler; cl, 

 clypeus; lbr. 1at>rum; p. L, labial palpi; m. mandible; sr, prosternum; c, coxa of 

 front leg: each compound eye is divided into two parts, one above the antenna- 

 and one below. Afcer oanglbauer. 



The Snout-beetles, which form the suborder Rhynchophora 

 of the order Coleoptcra, have the head more or less prolonged into 

 a snout or beak called the rostrum, which is in some cases longer 



