164 BROOKLYN INSTITUTE MUSEUM. SCIENCE BULLETIN 2. (). 
e'. Adult males, interscapulum blue, chin and throat black; 
females and immature specimens with white, or yellowish 
white, under wing-coverts and inner edges to wing quills. 
/. Black of throat not extending on to the chest. 
g. Larger; wing, 56 to 59 cm.; tail, 28 to 31 cm., and blue 
of back and head deeper and richer Cyanerpes caerulea cacruUa . 
s'. Smaller; wing, 53 to 55 cm.; tail, 26 to 26.5 cm.; general 
color a paler blue, the anterior part of crown and cheeks 
a pale azure blue Cyanerpes caerulea cherriei.i 
f. Black of throat extending on to the chest Cyanerpes nilida. 
c'. Bill not longer than tarsus Dacnis. 
d. Males, more or less black about the head (chin, throat lores, 
etc.); or, nearly uniform dark purplish blue, or bluish grey above. 
e. Chin and throat black or blackish. 
/. General color blue Dacnis cayana cayana. 
/'. General color yellow Dacnis flavivenlris. 
e'. Chin and throat not black or blackish. 
/. Bright blue below, centre of belly white Dacnis angelica. ' 
/'. Not 'bright blue below. 
g. Above dark purplish blue Aleleodacnis analis. ' 
g'. Above blueish grey Aleleodacnis bicolor. 
b'. Superciliaries white, or yellowish white. 
c. A white spot at base of primaries Coereba luleola. 
d. Averaging smaller (wing average 54 vara.) yellow of breast, ab- 
domen and upper tail coverts paler Coereba luleola luleola. . 
</'. Avra^ing larger (wing 57 mm.) yellow color darker and richer, .. Coereba luleola helbnayri. 
c'. No white spot at base of primaries Coereba guianensis. 
CiiLuRoPHANES SPiz.\ spiZA (Liniiaeus). 
Motacilla spiaa L., Syst. Nat. ed. lo. I. 1758. p. 18S, excl, var. /3. 
Chlorophancs spiza Berlepsch & Hartert, p. 15. 
Chlorophanes spiza spiaa Hellmayr, Novit. Zool. XIII. igo6. p. 10. 
While I have not observed this species either on the middle or on 
the Upper Orinoco, it has been recorded from Guanoco in the Orinoco 
Delta by Hellmayr, and Klages sent specimens from Suajnire and Nicare 
on the Caura River to the Tring Museum, as recorded by Berlepsch and 
Hartert. 
Cyanerpes cyanea cyanea (Linnaeus). 
Certhia cyanea L., Syst. Nat. ed. 1.2. -I. 1766. p. 188. 
Cyanerpes cyanea cyanea Hellmayr, Novit. Zool. XIII. 1906. p. 10. 
This species has been recorded from the ( )rinoco Delta ( Guanoco ) 
by Hellmayr, and Beebe secured specimens at the same locality in 
April, 1908. 
Cyanerpes caerulea caerulea (Linnaeus). 
Certhia caerulea L., Syst, Nat. ed. 10. I. 1758, p. 118. (Surinam). 
Cyanerpes caerulea caerulea Hellmayr, Novit. Zool. XIII. 1906. p. 8. 
Recorded from Guanoco (Orinoco Delta) by Hellmayr. 
<C. caerulea trinitalis Bonaparte (Hellm. Novit. Zool. XIII. 1906. p. 8) is believed to be confined 
10 the island of Trinidad. It may, however, occur on the mainland of Venezuela. From C. c. caerulea and 
f. cherrici it is distinguished by its larger and (at the base) broader bill; and by the dark blue of the crown 
being uniform from the forehead to the nape. 
^Recorded from British Guiana. 
^Recorded from Cayenne. 
