COLEOPTERA. 



499 



The Mordellids. p. 586 Family MORDELLID.E. 



The Anthicids. p. 586 Family ANTHICID.E. 



The Pyrochroids. p. 586 Family PYROCHROID^E. 



The Blister-beetles, p. 586 Family MELOID^E. 



The Rhipiphorids. p. 589 Family RHIPIPHORIM:. 



The Stylopids. p. 589 Family STYLOPID.E. 



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 RHINOMACERID^;. 



The Rhynchitids. p. 591 Family RHYNCHITID^;. 



The Leaf-rolling Weevils, p. 591 Family ATTELABIDJE. 



The Byrsopids. p. 591 Family BYRSOPID^;. 



The Scarred Snout-beetles, p. 592 Family OTIORHYNCHID^;. 



The Curculios. p. 593 Family CURCULIONID^E. 



The Brenthids. p. 594 Family BRENTHiDyE. 



The Bill-bugs, p. 595 Family CALANDRID^E. 



The Engraver-beetles, p. 596 Family SCOLYTID^;. 



The Anthribids. p. 598 Family 



CLASSIFICATION OF THE COLEOPTERA. 



(For Advanced Stiidents^ 



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

 is necessarv that the student should become familiar with certain 



FIG. 601. Head of Harpalus : a, dorsal aspect ; b, ventral 

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

 gula; 7, antenna; 8, labrum; 10, mandibles; i\d, maxillary 

 palpus; ii/, galea or outer lobe of maxilla; i2, submen- 

 tum; 12^, labial palpus; cs, clypeal suture; g-s, gular 

 suture. 



FIG. 602. Head and pro- 

 thorax of Rhynchophorus: 

 c, coxa; em, epimeron;yi 

 femur; gs, gular suture ; 

 s. prosternum 



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 discussion. 



The Head. Two of the sclerites that enter into the composition 



