GENERA AND SPECIES OF BIRDS. 
3. orenocensis (Lafr.). (p. 398.) Venezuela. 
Colombia, 
4. masoni, Pidgw., Auk, iii, p. 333. (p. 397, note.) Venezuela. 
XXVII. CEPHALOPTERUS, Geoffr. 
(Selater, t. c. p. 398.) 
l. ornatus, Geoffr. (p. 399.) Guiana. 
Amazonia, 
C. Brazil. 
E, Ecuador, 
Bolivia. 
2, penduliger, Sci. (p. 400.) W. Ecuador. 
3. glabricollis, Gould. (p. 400.) C. America 
(Costa Rica 
to Panama). 
XXVIII. CALVIFRONS, Daud., Ann. Mus. H. N. iii. p. 146 
(1804) *, 
[Gymnocephalus, Geotfr. (nec Bloch & Schneider) ; 
Sclater, Cat. B. xiv. p. 401. 
Perissocephalus, Oberh., P. Philad. Acad. 1899, p. 209.] 
1. calvus (Gm.). (p. 401.) "Guiana. 
XXIX. GYMNODERUS, Geoffr. 
(Sclater, t.c. p. 402.) 
1. foetidus (Linn.). (p. 402.) Guiana. 
Amazonia. 
Brazil. 
Ecuador. 
VW77 
* Mr. Richmond has pointed out to me that Calvifrons is the oldest generic name 
for Corvus calvus, Gm. 
VOL, IIL April 3, 1901. N 
