270 
NORTH AMERICAN BIRDS. 
of quills yellowish green or greenish yellow; rest of quills dark bluish ; 
lower parts clear light yellowish green ; edge of wing and thighs tinged 
with orange. Immature: Similar to adult, but head and neck entirely 
green, except forehead and lores, which are dull orange-red. Young 
(first plumage): Similar to preceding, but with little if any orange on 
forehead or lores. Length 11.35-14.00, wing 7.00-7.60, tail 6.40-7.10. 
Nest in hole of large tree (usually cypress or sycamore). Eggs 1.37 X 
1.06, ovate, short ovate, or rounded ovate, pure white. Hab. Formerly, 
entire Mississippi Valley, Gulf States, and southern Atlantic States, north 
(casually ?) to Michigan, Maryland, or even to Albany, New York, regu- 
larly to Ohio, Indiana, Illinois, Nebraska, etc., west to eastern Colorado 
and Texas; now nearly exterminated, and existing only in compara- 
tively restricted and isolated localities in lower Mississippi Valley and 
Gulf States........s00 382. C. carolinensis (Linn.). Carolina Paroquet. 
a’, Cere partly naked, the nostrils exposed ; culmen flattened. 
b'. Wing 6.50, or more; quills and secondaries green. (Color uniform grass- 
green, including quills, paler on lower parts; under surface of quills and 
tail-feathers yellowish olive.) 
c. Rather smaller, with weaker bill, relatively larger feet, and more yel- 
lowish green lower parts; wing 6.70-7.00 (6.87), tail 5.40-6.30 (5.96), 
culmen 1.00-1.10 (1.03), depth of upper mandible at base .50-.60 
(55), width .55-.65 (.60), tarsus .66-.75 (.71), middle toe .85-1.00 (.91). 
Hab. Northern Mexico (Chihuahua) to Nicaragua. 
C. holochlorus Sct. Green Parakeet.! 
¢. Rather larger, with stouter bill, relatively weaker feet, and more deeply 
green lower parts ; wing 6.50-6.70 (6.59), tail 6.10-6.50 (6.29), culmen 
1.00-1.12 (1.07), depth of upper mandible at base .57-.61 (.59), width 
.61-.65 (.63), tarsus .70-.72 (.70), middle toe .85-.89 (.86). Hab. 
Socorro Island, western Mexico. 
C. holochlorus brevipes Barrp. Socorro Parakeet.? 
v%. Wing 5.50, or less; quills and secondaries partly blue. 
c. Bill horn-colored, the ends of both mandibles whitish ; throat and chest 
dull olive or olive-brownish ; belly dull yellowish olive or olive-yel- 
lowish, in contrast with bright green of sides and flanks; top of 
head entirely green; wing 5.00-5.40, tail 4.60-5.10. Hab. Southern 
Mexico, and south to Nicaragua. CC. aztec Sovancé. Aztec Parakeet.? 
ce. Bill buffy whitish (sides of lower mandible horn-colored in young); 
throat and chest yellowish olive; belly clear yellowish green, like 
sides and flanks; top of head dull verditer-blue, the forehead buffy 
orange in adult; wing 5.10-5.50, tail 4.20-4.80. Hab. Southern 
Mexico, from Orizaba and Mazatlan south to Costa Rica. 
C. petzii (WaaL.). Petz’s Parakeet.! 
1 Conurus holochlorus Scu., Ann. Mag. N. H. 1859, 224. 
2 Conurus holochlorua var. brevipes BArrD, Ann. Lye. N. Y. 1871, 14. 
3 Conurus aztec Souanc&, Rev. et Mag. Zool. 1857, 97. 
4 Sittace petzii WacL., Mon, Psitt. 1832, 650. Conurus petzit Gray, Gen. B. ii. 1845, 413, sp. 13. 
