494 



PASSERINES. 



Among the more remarkable species we may note the Topaz- 

 throated Trochilus ( T. pella, Grould), a native of Brazil ; the Sickle- 

 winged Humming-bird ( Trochilus falcatus, Sw.) ; Grould's Hum- 

 ming-bird (Ornismya Gouldii, Less.) ; the Double-crested Hum- 

 ming-bird (Trochilus cornutus, Wied.) ; Cora Humming-bird 

 (Ornismya cora, Less.) ; the Giant Humming-bird, which attains 

 the size of the Swallow ; the Dwarf Humming-bird, whose size 



Fig. 207. Bar-tailed Humming-bird (Trochilus spurganurus, Lesson;. 



does not exceed that of a bee ; the Bar-tailed Humming or 

 Sapho Bird of Lesson (Fig. 207), a native of Eastern Peru ; and the 

 Racket-tailed Humming-bird, so named from the shape of its 

 tail, which spreads out at the extremity in the form of a racket. 



The CLIMBERS (Scansores,Vig.) among birds, such as the Wood- 

 peckers, are characterised by an arched beak and a stiff pointed 



