CHAP. V.] 



CLASSIFICATION. 



95 



D. — Formicaroid Passeres — continued. 



46. Pteroptochidae 



47. Pittidfe 



48. Paictidse 



Pittas. 



49. Menuridae 



50. Atrichidae 



E. — Anomalous Passeres. 



Lyre-birds. 

 Scrub-birds. 



The preceding arrangement is a modification of that proposed 

 by myself in the Ibis (1874, p. 406). The principal altera- 

 tions are adding the families Panuridae and Sittidae in series 

 A, commencing series B with Dicaeidae ; bringing Vireonidae 

 next to the allied American family Mniotiltidae ; and placing 

 Motacillidae in series C next to Alaudidae. At the suggestion of 

 Professor Newton I place Menuridae and Atrichidae apart from 

 the other Passeres, as they both possess striking peculiarities of 

 anatomical structure. 



The heterogeneous families constituting the order Picariae may 

 be conveniently arranged as follows : 



