594 APPENDIX. 
above it; wing 3.30-3.40, tail 2.60-2.70, culmen, .37-.38. Hab. Mountains of 
southern Lower California. 
(37.) Page 268. Genus ARA Brisson. 
Two species occur in southern Mexico, one of them common as far north as 
Mazatlan. Their characters are as follows: 
a, General color grass-green, with forehead and part of tail-feathers red; rump, 
tail-coverts, and tip of tail light blue; wing about 14.00, tail about 15.00. 
Hab. Mexico to Bolivia. 
A. militaris (Liny.). Military Macaw.! 
a. General color vermilion-red, with middle wing-coverts chrome-yellow, the 
quills dark blue, the tail blue and red; a little larger than A. militaris, the 
tail much longer. Hab. Southern Mexico to Bolivia. 
A. macao (Liny.). Red yellow and blue Macaw.? 
(38.) Page 269, under “a?” preceding Genus RHYNCHOPSITTA, insert: 
B p S 
b'. Tail rounded, half as long as wing........ Ssiieeee peidaseneaees anaiaasaeen Amazona. 
b%. Tail even, less than half as long as wing........ iscengueavaaeee ssusueesnente Pionus’ 
Genus AMAZONA Lesson. 
Several Mexican species, distinguished as follows: 
a}, Wing more than 7.50; bill not bright yellow; primary coverts always green, 
and 3-6 innermost secondaries with outer webs chiefly red. 
b'. Anterior border of wing with more or less of red; forehead (in adult 
whole head and neck) yellow. 
Adult: Whole head and neck yellow. Young with yellow on head 
and red on anterior border of wing more restricted, according 
to age. Wing 8.70-9.50, tail 4.50-5.50. Hab. Mexico, from 
Tehuantepec to Mazatlan, the Tres Marias, and Tamaulipas. 
A. oratrix Ripew. Double Yellow-head Parrot.‘ 
b, Anterior border of wing without trace of red; forehead green or red. 
ce. Outer tail-feather without trace of red or yellow spot on basal por- 
tion of inner web. 
d@. Forehead green; feathers of breast, etc., without trace of 
blackish tips; whole top of head light blue, or bluish green ; 
wing 9.30-10.20, tail 5.20-6.20. Hab. Hastern Mexico (Mira- 
dor) and south to Nicaragua. 
A. guatemale (Harti.). Blue-crowned Parrot. 
1 Pstttacus militaria Linn., 8. N. ed. 12, i. 1766, 159, Ara militaria Gray, Gen. B. ii. 1845, 412. 
2 Peittacue macao Linn., S. N. ed. 10, i. 1758, 96. Ara macao Gray, List Psitt. Brit. Mus. 1859, 26. 
8 Pionus WacLER, Mon. Paitt. 1832, 497. Type, Psittacus menstruus Linn. 
4 Chrysotia levaillantii Gray, List Psitt. Brit. Mus. 1859, 79; nee Amazone levaillantit Lzss., 1831. 
5 Chrysotis guatemale Hanrtu., Verz. Brem, Samml, 1844, 87. Amazona guatemale ScuuEc., Mus. P.-B. 
Rev. Psitt. 1874, 27. 
