FRINOJLLIDJ;. 



Upper mandible produced backwards 

 beyond the front liue of the bony- 

 orbit ; inferior outline of lower 

 mandible straight or nearly so ... . 



195 



Coccothraustince, p. 196. 



Fig. 50.— Skull of Coccothraustes vulgaris 



Upper mandible not produced backwards 

 beyond front line of orbit ; inferior 

 outline of lower mandible with a 

 slight re-entering angle ; cutting- 

 edges of upper and lower mandibles 

 everywhere in contact FruxjUlu 



p. 202. 



Fig. 51.— Skull of Fringilla ccelebs. 



Upper mandible not produced backwards 

 beyond front line of orbit ; inferior 

 line of lower mandible greatly an- 

 gulate; cutting-edges of mandibles 



Fig. 52. — Skull of EmbcrLa citrinctla. 



not everywhere in contact, but 

 leaving a gap of greater or less 

 extent Emberizinai, p. 249. 



o'J 



