COLEOPTERA, 499 



The Mordellids. p. 586 Family Mordellid^. 



The Anthicids. p. 586 Family ANTHiciDiE. 



The Pyrochroids. p. 586 Family PYROCHROiDiE. 



The Blister-beetles, p. 586 Family Meloid.e. 



The Rhipiphorids. p. 589 Family Rhipiphorid^. 



The Stylopids. p. 589 Family SxYLOPiDiE. 



AA. The Rhynchophora (Rhyn-choph'o-ra) or Snout-Beetles.— 

 Beetles in which the head is more or less prolonged into a beak, 

 and in which the palpi are short and rigid. 



The Rhinomacerids. p. 590 Family RHiNOMACERiDiE. 



The Rhynchitids. p. 591 Family RHYNCHixiDiE. 



The Leaf-rolling Weevils, p. 591 Family Attelabid.e. 



The Byrsopids. p. 591 Family Byrsopid^e. 



The Scarred Snout-beetles, p. 592 Family OxiORHYNCHiDiE. 



The Curculios. p. 593 Family Curculionid.e. 



The Brenthids. p. 594 Family Brenthid^. 



The Bill-bugs. p. 595 Family Calandrid^e. 



The Engraver-beetles, p. 596 Family ScolytiDuE. 



The Anthribids. p. 598 Family ANTHRlBiDiE. 



CLASSIFICATION OF THE COLEOPTERA. 



{For Advanced Students^ 



In order to use the table for determining the families of beetles it 

 is necessary that the student should become familiar with certain 



Fig. 601. — Head of Harpalus : a, dorsal aspect ; 3, ventral 

 aspect; i, occiput; 2 epicranium; 3. eye; 5, clypeus; 6, 

 gula; 7, antenna; 8, labrum; to, mandibles; wd^ maxillary 

 palpus; it/", gralea or outer lobe of maxilla; 12a, submen- 

 tum; 12^, labial palpus; rj, clypeal suture; gs, gular 

 suture. 



Fig. 602. — Head and pro- 

 thorax of Rhynchophorus: 

 c, coxa; em^ epimeron;^^ 

 femur; gs, gular suture ; 

 J. presternum 



terms not defined in the discussion of the external anatomy of insects 

 on pages 56-67. The following notes are therefore given as a supple- 

 ment to that discUvSsion. 



T/ie Head, — Two of the sclerites that enter into the composition 



