CLASS AVES 



593 



Family 



20. Certhiid^ . 



21. ccerebid.e . 



22. MnIOTILTIME 



23. Tanagrid^e . 



24. icterid.e . . 



25. fringillid.e 



Common Name 

 Creepers 

 Honey Creepers 

 Wood Warblers 

 Tanagers 



Blackbirds, Orioles, etc. (Fig. 504. C) 

 Finches, Sparrows, etc. (Fig. 504, D) 



3. A Review of the Orders and Families of Birds 



It is, of course, impossible in the limited space that can be 

 devoted to birds in this book to give anything more than a brief 

 survey of the subject. Most of the families that are considered 

 are represented by living species inhabiting the United States. 



Subclass I. Arcilsornithes. — The single genus, Archce- 

 opteryx (Fig. 477), belonging to this subclass is known from 

 a feather and two 



fairly complete 

 skeletons that were 

 found in the litho- 

 graphic slates of 

 Solenhofen, Bavaria, 

 of the Upper Juras- 

 sic period. Archce- 

 opteryx was about 

 the size of a crow. 

 It possessed teeth 

 embedded in sockets, 

 fore limbs with three 

 clawed digits (Fig. 

 477, I, II, III) and 

 separate metacarpal 

 bones, and a lizard- 

 like tail with large 

 feathers (rectrices) 

 on either side. The 



2Q 



Fig. 478. — Hesperomis regalis. 

 after Marsh.) 



(From Zittel, 



