17. ELVIRA. 75 



Thaiimantias cliionura, Bp. Rev. Zool. 1854, p. 255 ; Salv. P. Z. S. 



1867, p. 156, 1870, p. 210. 

 Agyi'tria cliionura, Cab. i^- Heine, Mus. Hein. iii. p. 32 ; Heine, J. f. 



dm. 1863, p. 18.3. 

 Eiipherusa niveicauda, Lawr. Ann. Lye. N. Y. viii. p. 131. 

 Elvira chianura, Muls. S,- Verr. Class. Troch. p. 32. 

 Eupherusa cliionura, Lnwr. Ann. Lye. N. Y. ix. p. 127. 

 Polytmus chionurus, Gray, Hand-l. B. i. p. 129. 

 Elvira chionura, Muls. Hist. Nat. Ois.-Mouches, i. p. 166, iv. p. 170 ; 



id. Ann. Soc. Linn. Lyon, xxii. p. 205 ; Ludes-Desl. Ann. Mus. 



Cam, i. p. 327 ; Elliot, Syn. Troch. p. 210. 



Adult male. Upper surface dark shining grass-green ; under sur- 

 face glittering grass-green ; under tail-coverts white ; central rec- 

 trices bronzy green, three laterals on either side white tipped with 

 bronzy black ; wings purple-black, without chestnut at the base of 

 the secondaries ; bill black, basal half of the mandible whitish. 

 Total length about 3-3 inches, wing 2, tail 1-15, bill 0-7. 



Adult female. Like the male on the upper surface ; under surface 

 nearly pure white, the sides of the head and neck green ; lateral 

 reetrices tipped with white, leaving a dark subterminal bar. 



Hah. Costa Eica and Panama. 



a-c. c?ad. ;c?. Costa Eica (Car »h"o/). Salvin-Godmau & 



? ad.sk. Gould Colls. 



e. cS ad. ; f. $ Cbiriqui ( Warszeiviez). Gould Coll. (Type 



ad. sk. of the species.) 



g. S juv. ; h-j. Cbiriqui {Arce). Salvin-Godman, 



$ ad.; k. <S Gould, & Sclater 



juv. sk. Colls. 



I, m. S ad. ; n. Calovevora, Panama (Arce). Salviu-Godman & 



? ad. sk. Gould Colls. 



o-r. (S ad. ; .«. Veraguas (Arce). Gould & Sclater 



2 ad. sk. Colls. 



2. Elvira cupreiceps. 



Eupherusa cupreiceps, Lawr. Ann. Lye. N. Y. viii. p. 348 (186G), 

 ix. p. 127. 



Elvira cupreiceps, Muls. Hist. Nat. Ois.-Mouches, i. p. 263, iv. 

 p. 179; Llliot, Sipi. Troch. p. 210; Gould, Suppl. Troch. -al. 5-3 

 (Aug. 1880) ; Eudes-Desl. Ann. Mus. Caen, i. p. 328. 



Thauiuantias cupreiceps, Bourc. P. Z. S. 1878, p. 71. 



Elvira cajruleiceps (!), Muls. Ann. Soc. Linn. Lyon, xxii. p. 328. 



Adidt male. Like that of E. chionura in general appearance, but 

 with the bill shorter and more curved ; the crown and the central 

 pair of reetrices deeper bronze and the latter alone without white on 

 either web. Total length about 3-3 inches, wing 1-8.5, tail 1, bill 0*65. 



Adidt female. Also has the curved bill and bronze crown of the 

 male; the lateral reetrices are tipped with white, leaving a very 

 narrow subterminal oblique dark bar. 



Hab. Costa Eica. 



a. c?ad. ;6, e. Costa Eica (Carauo;). Salvin-Godman Coll 



2 ad. sk. 



