SUBDIVISION OF INSESSORES. 



425 



I. CONIROSTRES, or conical-billed Birds ; having a strong 

 conical beak (Fig. 



223), the margin of 

 which is generally 

 entire, that is, not 

 toothed or indented. 

 The greater part of 

 these are omnivor- 

 ous ; but some are 

 exclusively grani- 

 vorous (or seed- 

 eating). The Crows, 

 Starlings, and 

 Finches are examples of this group. 



II. DENTIROSTRES, or toothed-billed Birds, which are cha- 

 racterised by a notch or tooth near the extremity of the upper 



FIG 223. BILL OF GROSBEAK. 



FIG. 224. HEAD OF SHRIKE. 



mandible (Fig. 224). These feed on Insects, small Birds, &c. 

 The Shrikes or Butcher Birds, Thrushes, Warblers, Tits, &c., 

 belong to this division. 



III. TENUIROSTRES, or slender-billed Birds, which have a long 

 slender bill, specially adapted for sucking up vegetable juices 



