( 4: ) 



10. Lampropygia wilsoni (Del. & Boarc). 



A flue series from Rio Pescadu, at elevations of from 50<( to 3UU0 feet. In 

 good plumage from Jauuiiry to February. 



The difference in size between the males and females is most remarkable, the 

 wing measuring 2'8 to 2'9 inches in the former, and only 2-4 fo 2-or) in the latter. 



20. Lampropygia columbiana Elliot. 



Rio Negro Hacienda and Hio Pastassa, east of the Andes, at elevations of from 

 3500 to 4t)(J(;) feet. 



As in L. wilso?ii, the se.xes are very uneijual in size, the wing of the males 

 measuring 2"95 to 3 inches, that of the females only 2-6 to 2' 7 (measured lo males 

 and 7 females). 



21. Cyanolesbia coelestis (Gould). (Salvin, Cat. B.. .wi., p. 139.) 

 ("ollected on the west side of the Andes, on the road from Loja and Xaranjal 

 to Cuenca, at elevations of from 2000 to (iOOO feet, mostly at 500(1 feet above the 

 sea. In good plumage in A]iril. 



This species is closely allied to Ci/amhsbia gonjo (Reichb.), from Bogottl, but 

 the longer bill, the much browner, somewhat bronzy colour of the underjiarts, and 

 perhaps larger size in general, serve to distinguish the males, while in the females 

 there is ajjparently always much white on the breast, which is not the case in the 

 females of the Colombian C. gorgo. As these characters seem to be quite constant, 

 there is no reason why they should not justify a specific separation of the 

 Ecuadorian bird. 



22. Cyanolesbia mocoa (Del. k Bourc). 



East from Banos, on the Rio Pastassa, east side of the Andes, at elevations of 

 about 1000 feet. Evidently in good plumage about October. 



The glittering green tail distinguishes this species from C. coidestis, from the 

 west side of the Andes of Ecuador, but it is closely allied to the greeu-tailed 

 Colombian form, C. emmae Berl. {J./. 0., 1892, pp. 453 and 454), which, however, 

 has no blue spot on the throat, and a longer bill. The females have less white on 

 the underparts than those of C. coelestis, and agree in this respect with the females 

 of C. gorgo. 



C. emmae Berl. might better be treated as a subspecies, as there seem to be 

 specimens intermediate between C. gorgo and C. emmae. 



The following species and subspecies of the genus Cyanolesbia seem to be 

 recognisable as far as our present knowledge goes (see Salvin, Cat. B., xvi., pp. 137 

 to 141 ; Berl., J./. 0., 1892, i)p. 452 to 454 ; Tacz., Orn. de Pcrou, i., p. 334). 



A. Outer rectrices green. 



a. Blue gular spot. 



a\ Under surface ])ale cinereous, feathers of gular spot white at 



liaso C. griseiventris (Peru). 



i'. Under surface dull metallic green, feathers of gular spot dark at 

 base. 

 a-. Tail longer, gular spot sap]ihirc-blue : C. mocoa (Ecuador). 

 b-. Tail shorter, gular spot greenish blue : C. tiiocoa smarag- 

 <Una (Bolivia). 



b. No blue gular spot G. emmae (Colombia). 



