] 74 SYNOPSIS OF THE TROCHILID^E. 



PL. XXIII. VOL. I. 25. C. FURCATUS, Violet Fork-tailed 

 Humming- Bird. L'Oiseau-mouche a queue four- 

 chue, Buff. Trochilus furcatus, Gmel. Less, xviii. 

 Plumage of a deep violet-black, with lighter reflec- 

 tions ; gorget, reaching to the upper part of the breast, 

 bright emerald-green ; tail ample, deeply forked. 

 Inhabits Brazil, Guiana, Jamaica. 



26. C. ERYTHRONOTUS, Crimson-Rumped Humming- 

 Bird. L'Erythronote, Less. Col. xi. Head, breast, 

 and belly, bright emerald-green ; lower part of the 

 back, rump and upper tail-coverts, crimson-red ; tail 

 forked, of an indigo-blue on both sides. Inhabits 

 Brazil. 



27. C. MAUGERII, The Ourissa. Trochilus Maugerii, 

 Vieill. Oiseau-mouche Mauge, Less. O. M. Ixvii. Ixix. 

 Deep blackish-green above, the reflections brilliant ; 

 forehead and throat emerald-green ; breast banded 

 with rich blue: vent greyish ; tail deeply forked, steel- 

 Blue. Female of duller plumage ; lower parts grey ; 

 tail nearly square, centre feathers green, tipped with 

 white, others nearly brown. Inhabits Porto Rico. 



28. C. CYANOGENYS, Neuwied's Humming-Bird. Oiseau- 



mouche Wied, Less. O. M. Supp. xxvi. Above 

 golden-green ; chin blue ; breast and belly emerald- 

 green ; vent white ; tail square, deep and bright 

 steel-blue. Inhabits Brazil. 



29. C. ATALA, The Atala I/Atala, Less. Troch. xlii. 



Plumage of the head and body clear emerald-green, 

 the vent and under tail-coverts white ; tail square, of 

 a deep and bright steel-blue. Inhabits Brazil. 



The two last are very closely allied, the distinctions will be 

 seen in the characters given to the lower parts; they vary 

 from the character in the square form of the tail. 



PL. I. II. VOL. II 30. C. THALASSINUS, Blue-bellied Saw- 

 billed Humming-Bird. T. thalassinus, Phil. Mag. 

 I/Anais, Less. Troch. Iv. Ivi. Ivii. ; Sup. iii. Gene- 

 ral colour emerald-green, with golden and steei-blue 

 reflections ; gorget extends upon the side of the neck 



