236 



ZOOLOGY. 



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

 ming-bird, is the gold-crested kinglet (Regulus satrapa), 

 which is less than 9 cm. (3f inches) in length. Lastly 



Fig. 378.— Black-throated Green Warbler. 



Fig. 279.— Winter Wren. 



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

 ing-bird, while at the head of the entire class of birds in 

 t4ns country stands the robin [Turdus mic/ratorius), 



