222 TROCHILI. 



Ervthronota niveiventris, Gould, Mon. Troch. v. pi. 319 (May 1858); 



id. Intr. Troch. p. 161 ; Salv. P. Z. S. 1867, p. 155, 1870, p. 210. 

 Hemithylaca niveiventris. Cab. Sr Heine, Mas. Hein. m. p. 37 ; Heine, 



J.f. brn. 1863, p. 192. 

 Saucerottia niveiventris, Scl. 8,- Salv. P. Z. S. 1864, p. 365 ; Eiides- 



Desl. Ann. 3Iug. Caen, i. p. 429. 

 Ariana niveiventris, .!/«/*. ^- Verr. Class. Troch. p. 36. 

 Leucodora niveiventris, Muls. Hist. Nat. Ois.-Mouches, i. p. 313, iv. 



p. 184 ; id. Ann. Soc. Linn. Lyon, xxii. p. 206. 

 Amazilia niveiventris, Elliot, Si/n. Troch. p. 222. 

 Polytmus niveiventris. Gray, Hand-l. B. i. p. 133. 



Adult male. Similar to that of A. edwardi, but with the tail 

 purplish steel-blue instead of reddish bronze. 



Female. Similar to the male ; the lateral rectrices tipped with 

 bronze. 



Hab. Costa Eica and the State of Panama. 



a, b. S ad. sk. Costa Rica. Gould Coll. 



c5 ad. sk. Near David, Cbiiiqui(7Frtrsse- Gould Coll. (Type 



wiez). of the species.) 



d. S ad. sk. Chitra, Panama {Arce). Salvin-Godman Coll. 



e-g. (S ad. sk. Chiriqui (Arce). Salvin-Godman & 



Sclater Colls. 



h, i. S ad. sk. Veraguas (Arce). Salvin-Godman & 



Gould Colls. 



_/. Juv. sk. Cordillera del Chucu (Arci). Salvin-Godman Coll. 



k, I. S ad. ; m. Calovevora, Panama (Arce). Salvin-Godman & 



Juv. sk. Gould Colls. 



n. J ad. sk. Lion Hill, Panama {McLean- Salvin-Godman Coll. 



nan). 



o. S ad. sk. Panama ? {Seemann ?). Gould Coll. 



p. Skeleton. Gould Coll. 



23. Amazilia warszewiezi. 



Hemithvlaca warszewiezi, Cah. Sf- Heine, Mus. Hein. iii. p. 38 ; Heine, 



J.f. Orn. 1863, p. 193. 

 Saucerottia warszewiezi, Gotdd, Lntr. Troch. p. 163 ; Wyatt, Ibis, 



1871, p. 378 ; Salv. i^- Godm. Ibis, 1880, p. 173 ; Eudes-Besl. Ann. 



Mus. Caen, i. p. 423. 

 Hemithylaca caligata, Cab. S)- Heine, Mas. Hein. iii. p. 39 ? 

 Hemithylaca hraccata, Heine, J.f. Orn. 1863, p. 193? 

 Ariana warszewiezi, Muls. Hist. Nat. Ois.-Mouches, i. p. 327, iv. 



p. 185 ; id. Ami. Soc. Linn. Lyon, xxii. p. 207. 

 Polytmus warszewiezi. Gray, Hand-l. B. i. p. 131. 

 Amazilia warszewiezi, Elliot, Syn. Troch. p. 235 ; Sharpe in Gould's 



Mon. Troch. Suppl. (March 1887). 



Adult male. Upper surface shining dark grass-green ; longer 

 upper tail-coverts and tail bright steel-blue; under surface glittering 

 grass-green ; under tail-coverts steel-blue, more or less edged with 

 white : maxilla blackish ; mandible flesh-colour, the tip black. 



Female. Similar to the male. 



Cabanis and Heine described this species from two specimens 

 said to have been obtained by ^\^ arszewiez in Yeragua ; but Gould 



