570 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 
[Eugenes] spectabilis ScLateR and Satvin, Nom. Av. Neotr., 1873, 80.—MuL- 
sant, Ann. Soc. Linn. Lyon, xxii, 1876, 213.—SHarpe, Hand-list, ii, 1900, 
122 
Efugenes] spectabilis Ripaway, Man. N. Am. Birds, .1887, 310; Rep. U. S. Nat. 
Mus. for 1890 (1891), 319 (diagnosis, etc.).—Harvrert, Das Tierreich, Troch., 
1900, 113. 
(?) Eugenes spectabilis chiriquensis NEHRKORN, Orn. Monatsb., ix, Sept., 1901, 
132 (Chiriquf, Panam4). 
Genus HELIODOXA Gould. 
Heliodora 4 Goutpd, Proc. Zool. Soc. Lond., 1849, 95; Introd. Troch., oct. ed., 
1861, 74. (Type, H. jacula Gould.) 
Leadbeatera Bonaparte, Consp. Av., i, 1850, 70. (Type, Z. grata Bonaparte= 
Trochilus leadbeaterit Bourcier and Mulsant.) 
Aspasta 6 Heine, Journ. fiir Orn., xi, May, 1863, 179, in text. (Type, Trochilus 
leadbeatert Bourcier and Mulsant.) 
Hypolia (not of Ridgway, May 11, 1875) Munsant, Ann. Soc. Linn. Lyon, xxii, 
1876, 212 (Cat. Ois.-Mouch., p. 17). (Type, Trochilus leadbeatert Bourcier 
and Mulsant.) 
Xanthogenyx (typographical error) D’Hamonvite, Bull. Soc. Zool. France, 
viii, 1883, 77. (Type, Heliodoxa xanthogenys Salvin.) 
Xanthogenys D’Hamonvitzez, Bull. Soc. Zool. France, xi, 1886, 318 (correction). 
Large Trochilide (length about 115-125 mm.) with straight and 
rather stout bill about as long as head, nostrils completely hidden by 
appressed, imbricated, frontal feathering, wing three to nearly four 
times as long as exposed culmen; adult males with tail more than 
two-thirds as long as wing, forked, the under parts very brilliant 
metallic green, a blue spot on throat or else forehead and crown bril- 
liant violet-blue; adult females with tail less than two-thirds as long 
as wing, less deeply forked, the under parts whitish, spotted with 
bright metallic green. 
Bill (unfeathered portion) about as long as head, straight, terete 
or slightly compressed, rather stout; culmen rounded except at 
extreme base, where contracted into a rather broad ridge; tomia 
smooth; mandible with a narrow, rather indistinct, longitudinal 
median groove. Nasal operculum narrow, straight along edge, wholly 
covered by the closely appressed and imbricated frontal feathering, 
which advances over base of maxilla to beyond anterior end of nostril, 
forming a short obtuse point or antia on each side of culmen. Tarsus 
slender, feathered, except along posterior side; toes slender, the 
lateral toes about equal in length and slightly shorter than middle 
toe, the hallux about as long as lateral'toes. Wing three to nearly 
four times as long as exposed culmen, the outermost primary 
longest. Tail more than two-thirds as long as wing in adult males, 
a” Hoc, sol et d6fa, gloria. (Gould.) 
6 “Von donaotéc (Geliebt, lieblich).”? (Heine.) 
