INTRODUCTION. 49, 



CONIROSTRES. 



Corvidte. StnrnicUf. Frinsillidcp. Musophagida. Bueeriaes- 



)*Corvinze. *Sturninse. *Coccothraustinae. Phytotominse. 1 genus only 



*Garrulinae. Lamprotorninse.Tanagrinse. Colinae. Buceros 



Glaucopinse. Scaphidurinse. *Frinpillina?. Musophaginze. is yet Imown. 



Coracinae. Icterinse. *Alaudimc. 



*Frigillinae. Aglainae. *Pyrrhulina?. 



8CANSOKES. 



Ramphastidte. Psiltacidce. Picid<e. Certhiadce. Cuculidte. 



Macrocircinae. Picianae. *Certhianse. *Cuculinae. 



Psittacinse. Buccoinae. Anabatinae. Coccyzinae. 



Plyctolophinae. *Sittinae. Crotophaginae 



Lorianaa. *Troglodytina?.Leptosominae. 



Platycercinee. Buphagiux. Indicatorinae. 



TENUIROSTRES. 

 Meliphagidce. Cymindince. Trochilidce. UPromeropidce. Paradisiadae. 



Sub-families not ascertained. 

 A single British form represents the Promeropidae. 



FISSIEOSTRES. 



*Meropidce. *Halcyonid(e. tTrogonida. *Caprimulgidae. *Hirundinidce. 

 Sub-families not ascertained. 



Viewing this important order as a part of the 

 great plan of nature, and as connected with the 

 benefits and injuries done to the productions used 

 by man, the influence of its members on his feel- 

 ings and enjoyments, and their effects on the 

 scenery of their various native countries, we shall 

 find them still more interesting. The desire for 

 food, and the manner of searching for it, are 

 nearly the primary causes of all the benefits or 

 injuries received from birds. In this order some 

 feed entirely on grains and seeds, others on the 

 buds and tender shoots of plants and trees, others 

 on various fruits and berries, and some again, on 

 all these substances indiscriminatel}'. Wherever 

 any production is cultivated extensively, consider- 

 o])\e ravages may be committed at some period of 



