Genera of Humming Birds. 179 



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



Female. — Upperside shining green. Front and entire 

 underside rufous. Median rectrices green, lateral rufous, with 

 black spots on the webs near the tips. 



This extremely rare species was discovered in California by 

 Mr. John Xanthus. It was dedicated to him by Mr. Lawrence, 

 of New York. The type is in the collection of the Smithsonian 

 Institution. 



Genus LXXVIII. Timolia, Muls.,Cat.Ois. Mou., i875,p.23. 



Type : T. lerchi, Mulsant and Verreaux. 



Allied to the genus Eucepliala. Bill longer than the head, 

 curved. Feathers of forehead projecting on the culmen. 

 Nostrils hidden. Tail forked. Tarsi clothed. 



Habitat. — Columbia. 



^256. Timolia lerchi, Muls. and Verr., Aun. Linn. Soc, 



Lyon., 1868. 



Eucephala lerchi, Muls. and Verr., Hist. Nat.Ois.Mou., 1878, 

 t. iv., p. 191. 



Lerch's Sapphire, Gould, Mon. Troch., Suppl., 1886, p. 94. 



L'Eucephale de Lerch, Muls., Hist. Nat. Ois. Mou., 1878, 

 t. iv., p. 192. 



Habitat.— Qo\\xxv\y\.2^. 



Male. — Fore part of head and a spot on the chin shining 

 deep blue. Upper parts dark grass-green, passing into 

 reddish-bronze on the upper tail-coverts. Entire underparts 

 grass-green. Undertail-coverts olive-green. Wings purplish- 

 brown. Tail steel-black. Maxilla black. Mandible flesh 

 colour, with black tip. 



Total length, 45in. Wing, 2\. Tail, if. Culmen, if. 

 "Elliot, loc. cit." 



Type unique in the collection of the Museum of Natural 

 History of New York. " Ex. Elliot's Collection." 



This remarkable species was discovered in Columbia by 

 Doctor Lerch, to whom it was dedicated by MM. Mulsant and 

 Verreaux. 



