51. AGTRTRIA. 179 



Ran/e. Tropical America, from Southern ilexico to Bolivia and 

 South Brazil. 



Kei/ to the Sjjecies. 



a. Throat white, green, or blue. 



a'. Crown glittering green or bluish green. 

 a". Throat and breast white. 



a'". Bill whoUj black niveipectus, p. 180. 



b"'. Mandible except the tip flesh-colour. 



«*. Lateral rectrices steel-blue leucogaster, p. 181. 



i*. Lateral rectrices greyish green. 

 a'. Larger; lateral rectrices without 



definite subterminal bar viridiceps, p. 181. 



i'. Smaller ; lateral rectrices with 

 more or less detinite subterminal 



bar viilleri, p. 182. 



b" . Throat and breast glittering green, 

 e'". Crown glittering pale bluish green ; 



bill longer cceruleiceps, p. 183. 



d'". Crown glittering green ; bill smaller, nitidifroiu, p. 183. 

 b' . Crown dull green, slightly darker than 

 the back, 

 c". Breast glittering blue. 



e". Lateral rectrices pale greenish 

 bronze, with a subterminal blackish 



bar nec/leefa, p. 183. 



/"'. Lateral rectrices steel-blue bartletti, p. 184. 



d' . Throat and breast glittering green or 

 white. 

 ff'". Under tail-coverts greyish edged 

 with white. 

 c*. Lateral rectrices gi-eyish green, 

 with a more or less distinct sub- 

 terminal bar. 

 c^. Middle of the throat and breast 



white bi'evh'oslris, p. 185^ 



d\ Throat and breast covered with 



green spots affints, p. 185 *. 



d*. Lateral rectrices steel blue, some- 

 times tipped with bronze or 

 whitish. 

 «'. Lateral rectrices with more or less 

 distinct tips of grey or bronze. 

 a^. Lateral rectrices steel - blue 

 beneath except at the ex- 

 treme base. 

 a'. Larger : lateral rectrices less 



distinctly tipped viridissima, p. 186. 



b''. Smaller ; lateral rectrices 



very distinctly tipped .... mamlicauda, p. 188. 

 A*. Lateral rectrices bronzy green, 

 with purple - bronze subter- 

 minal bar hici(e, p. 188. 



y. Lateral rectrices nearly uniform, 

 or with narrow whitish tips. 



* A. alleni, Elliot, p. 186, probably belonga here. 



s i' 



