Genera of Humming Birds. 47 



Mellisuga loddigesi, Gray. Gen. Birds, vol. i., p, 114. 



Cephalepis loddigesi, Bon. Consp. Gen. Av., 1850, vol. i., 

 p. 83. 



Orthorhynchus loddigesi, Keich. Troch. Enum., 1855, p. 9. 



Loddiges Plover Crest, Gould. Mon. Troch.., vol. vi., p. 209. 



Le Cephallepis de Loddiges, Muls. Hist. Nat. Ois. Mou., 

 1876,t.iii.,p. 192. 



Habitat.— South Brazil. 



Male. Head and crest metallic prussian-blue, the long 

 feathers of crest black. Upperside bronze-green. White spot 

 behind the eye. Median rectrices bronze-green, lateral bronze- 

 green at base, then black with large white tips. Chin and sides 

 of the neck brownish-gray. Flanks and undertail-coverts 

 brownish- grey washed with green. Eest of underside dark 

 shining blue. Wings dark brown. Feet flesh color. Bill 

 black. 



Total length, 3| in. Wing, 2. Tail, If. Culmen, f. 



Female. — Upperside bronze-green. Underside gray. Rest 

 like male. 



This rare species was dedicated by Gould to Mr. George 

 Loddiges, the celebrated botanist, who made, during his life- 

 time, one of the best collections of humming birds of that 

 epoch. 



One of my specimens I found in the collection of Costa de 

 Beauregard, another was collected by H. von Hering, at 

 Taquara do Mundo novo, Prov., Rio Grande, Brazil. 



Genus XXII. Loddigesia, Gould, Mon. Troch., vol. iii. 



Loddigiornis, Bon. Compt. Rend., 1850, p. 381. 



Mulsantia, Reich. Aufz der Colib, 1853, p. 12. 



Thaumantoëssa, Hein. Journ. fur Ornith., 1863, p. 209. 



Type : T. mirabilis, Bourcier. 



Bill straight, longer than the head. Wings diminutive, 

 primaries rounded at the tip, tail feathers on each side very 

 much prolongated aod terminating in a large spatula, median 

 and lateral rectrices excessively short, the two posterior under- 

 tail-coverts very long and pointed. 



Habitat. — Peru. 



