238 



ZOOLOGY. 



The smallest bird in tlie United States, except the hum- 

 ming-bird, is the gold-crested kinglet {Regtdus satrapa), 

 wliich is less than 9 cm. (3J inches) in length. Lastly 



Fig. 278.— Black-throated Green Warbler. 



Fig. 279.— Winter Wren. 



come the bluebird, the melodious thrushes, and the mock- 

 iiig-liird, wildcat the head of the entii'e class of birds in 

 tills country stands the robin [Turdus migraturius). 



