436 



INDEX. 



Xiphias, 



gladius, 



Ya^er, cataract, 

 Yellow-bird, summer, 

 Vellow-shaiiks, 

 Yellow -throat, Maryland, 



Page. 

 61 



381 

 307 

 369 

 311 



Yellow-throat, Roscoe's, 

 Zoarcus, 



■ anguillaris, 



Zygsena, 

 Zygodactyli, 



Page. 

 313 



66 



200 

 33? 



