270 lyORTH AMERICAN BIRDS. 



of quills j-ellowish green or greenish yellow ; rest of quills ihu'k bluish ; 

 lower pai'ts clear light j-cllowish green ; edge of wing iind 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. 7/i/i. Formerlj-, 

 entire Mississippi Vallej-, Gulf States, and southern Atlantic States, north 

 (casually ?) to Michigan, Marj-land, or even to Albany, Now York, regu- 

 larly to Ohio, Indiana, Illinois, Nebraska, etc., west to eastern Colorado 

 and Texas; now nearly exterminated, and existing only in compara- 

 tivclj" restricted and isolated localities in lower Mississijipi Valley and 



Gulf States 382. C. carolinensis (Linn.). Carolina Paroquet. 



a^ Cere partly naked, the nostrils exjioscd ; culmen flattened. 



6'. 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 Scl. Green Parakeet.' 

 c". Rather larger, with stouter bill, relatively- weaker feet, and more deeply 

 green lower parts ; wing 6.50-6.70 (G.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). Hah. 

 Socorro Island, western Mexico. 



C. holochlorus brevipes Baird. Socorro Parakeet.' 

 tl AYing 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 j'ellovvish olive or olive-yel- 

 lowish, in cojitrast with bright green of sides and flanks; top of 

 head entirely green ; wing 5.00-5.40, tail 4.60-5.10. Ilab. Southern 

 Mexico, and south to Nicaragua. C. aztec Souance. Aztec Parakeet.' 

 c*. Bill bufTy 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^.80. Hab. Southern 

 Mexico, from Orizaba and Mazatlan south to Costa Rica. 



C. petzii (Waql.). Petz's Parakeet.* 



1 CuHiiriMr holoehlontt ScL., Ann. Mng. N. H. 1859, 224. 



' Conurut holoehlontt vnr. brcvipet Baird, Ann. Lyo. N. Y. 1S71, 14. 



» Conuriu aziec SouANcfi, Hcv. ct Mng. Zool. 1857, 97. 



* Silliicc pel-.;! AVaol., M.jn. I'sitt. 1832, «50. Cunurm pclzH GiiAV, (Jen. D. ii. 1.S15, 41,1, fp. 13. 



