CONTENTS. 
Page 
Dupont’s Humming-Bird. 
Trochilus Dupont ii. Plate XXVI. , 175 
Half-Tailed Humming-Bird. 
Trochilus enicurus. Plate XX VII. . 177 
Sapphire- Throated Humming-Bird. 
Trochilus sapphirinus. Plate XXVIII. 179 
White- Eared Humming-Bird. 
Trochilus leucotis . Plate XXIX. • 181 
White- Collared Humming-Bird. 
Trochilu< mellivorus. Plate XXX. . 183 
Harlequin Humming-Bird. 
Trochilus multicolor . Plate XXXI. . 185 
Black- Breasted Humming-Bird. 
Trochilus gramineus. Adult Male. Plate XXXII. 187 
Black- Breasted Humming-Bird. 
Trochilus (jramineus. Young. Plate XX XI II. 189 
Blue- Throated Sabre- Wing. 
Trochilus latipennis. Plate XXXIV. . 19*1 
