COLEOPTERA. 
499 
The Mordellids. p. 586.Family Mordellidas. 
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 RniPiPHORiDiE. 
The Stylopids. p. 589. Family STYLOPiDiE. 
AA. The Rhynchophora (Rhyn-choph'o-ra) or Snout-Beetles.— 
Beeiles 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 Rhynchitid^:. 
The Leaf-rolling Weevils, p. 59 1 .Family Attelabid^e. 
The Byrsopids. p.591 .Family Byrsopids. 
The Scarred Snout-beetles, p. 59 2 .Family OtiorhynchidjE. 
The Curculios. p. 593.Family CURCULlONiDiE. 
The Brenthids. p. 594.Family Brenthims. 
The Bill-bugs. p. 595.Family Calandrid^e. 
The Engraver-beetles, p. 596 .Family Scolyt idjE. 
The Anthribids. p. 598.Family Anthribid^e. 
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 Harfialus : a, dorsal aspect; K ventral 
aspect: 1, occiput; 2 cpicrantum; 3. eyp; 5- clypcus; 6, 
gula; 7 , antenna; 8, labrum: 10, mandibles, lid, maxillary 
palpus; 1 j/, galea or outer lobe of maxilla; 12a, submen. 
turn; 12 d, labial palpus; cs , clypeal suture; gs, gular 
suture* 
Fig. 602. — Head and pro- 
thorax of Rhynchophorus: 
c, coxa; etn, epimeron;./i 
femur; gs, gular suture; 
j, 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 
