( 54 ) 



With this trne E. hetcniru, in our resti-icted sense, seems the Central American 

 E. salxiui to be identical. At least, one of us, who most carefully examined the 

 specimens in the British Museum, was not able to make out the slightest differences 

 between the two. Mr. Salviu (Cat. B., xvi., p. 262) is fully rigiit in saying that 

 E. salvini cannot be confounded with E. aquila, but is nearer to E. heterura. He, 

 however, says that tlie colour of tlie central spots to the abdnminal feathers is 

 different, being buff in E. hetcrara and white in E. aalcini-, but one of the birds from 

 Calovevora, Panama, in the British Museum, seems to be the bnffest of all. and tliis 

 character is, we believe, variable, and perha])s due to age. 



Our figures, which we have drawn with the greatest care and without any 

 exaggeration, will, we trust, better explain the differences of the three species than 

 our descriptions can. 



The habitat of E. heterum is somewhat puzzling, for the specimens in the 

 British Museum are said to be from Quito and Sarayai-u, on the east side of 

 the Andes, while Mr. Baron found K. luiuila on the east side of the Andes, and 

 recorded E. heterura from the Rio Pescado near Naraujal, west of the Andes. He 

 adds, " In good plumage from March to July. A^esting approximately April 

 and May." 



47. Eutoxeres baroni sp. nov. 

 Easily distinguished from the two allied species by its olive-grey tail, with 

 a faint greenish metallic hue only, if any, and with small white tips to the 

 rectrices, sometimes restricted to the central fiair and sometimes altogether 

 absent. 



Mr. Baron sent these also from tlie Rio Pescailo, near Naranjal. and noticed 

 that they were in good ]ilnmage from March to July, and that their nesting season 

 was April and May. 



We may mention that the Hon. Walter Rothschild, who took much interest 

 in the collection and our work on it, tjnite agrees with us, that these three species 

 are distinct. 



4"^. Threnetes cervinicauda Gould. 

 Guala([uiza, Rio Pastassa, east of the Andes, July. 



4'.i. Phaethornis yaruqui (Bourc). 



A series from the Rio Pescado, near Naranjal, collected in July. 



Provided Mr. Baron has not wrongly dissected the specimens, the female 

 is not similar to th(? young male, but closely resembles the adult male, only 

 differing in a slightly more distinct gular strii)c. 



oil. Phaethornis guyi emiliae (Bourc. A: .Muls.). 

 This form is only distinguishable from P. (juyi in fully adult sjiecimens by 

 a blue tinge, instead of a green one, on the upper tail-coverts and the base oi 

 the rectrices, but sometimes specimens seem to be hardly distinguishable. They 

 l)robably grade into each other, and it is therefore, perhaps, wise to follow Grat 

 Berlepsch, who considers them only subsj)ecifically distinct. (See Salvin, Cat. B., 

 xvi., p. 2()'.J ; Berl., ././. O., 1887, p. :}U.) Berlepsch has an unmistakable true 

 specimen of Phaethornis yuyi (Less.), undistinguishable from specimens from 

 Trinidad and Venezuela, in his collection, which came from Bogota. 



