Nan “a 
FSITTACIDA. — PSITTACIN &. 301 
sinuated in the middle: tertials very long. Tail 
short, longer than the wings, broad, with the tips 
rounded. America only. (fig. 271.) 
Amazonicus. LeVail. pl]. 84. xstivus. Le Vail. pl. 110. 
Dufresnii. Ib. 91. ‘  autumnalis. Ib. 111. 
pulverulentus. Ib. 92. Havanensis. Ib. 122. 
ochropterus. Ib. 98. festivus. Ib. 129. 
zanthocephalus. Ib. 98. bis. cyanocephalus. Ib. 135. 
sordidus. Ib. 104. columbinus. Spix, i. 37. 
signatus. Ib. 105. Xanthops. Ib. i. 26. 
cyanotis. Ib. 106. menstruus. Ib. 114. (aberrant. ) 
leucocephalus. Ib. 107. And several new species. 
Psirracus*, Linn. Wings lengthened, nearly as long as 
the tail. Face (typically) naked. Tail even ; the 
feathers rounded. The Old World. 
P. erythacus. Le Vaill. pl. 99. 
Acarornis, Selby. Size diminutive. Under mandible 
very thick. Wings long, but shorter than the tail ; 
_ the three first quills equal and longest. Tail short, 
rounded; the feathers lanceolate, pointed. South 
America only. 
A. cyanopterus. Part 5.No.118. Guianensis. Part 5. No.119. 
PoicerHatus, Sw. Wings very long, reaching to the 
end of the tail; the first quill scarcely shorter than 
_ the second ; the inner web of the three first primaries 
suddenly narrowed beyond the middle, and then 
obliquely truncated at the tip. Tail very short, even ; 
the feathers broad, truncate, but the shafts prolonged 
into mucronate points. Tropics of the Old World 
only: representing Palgornis. 
_ Senegalensis. Le Vail. pl. 116. aureus. Le Vaill. pl. 138. 
Geoffroyi. Ib. 112. Swinderianus. Lear. Psitt. 
melanocephalus. Ib. 119. pl. 42. 
pileatus. Ib. 133. torquata. Ib. 40. 
~ Barrabaudi. Ib. 134. taranta. Ib. 39. 
* In this genus, which I think is the most typical of the Pszttacine, 1 
opose to retain, for the present, all those parrots of the Old World, which 
ill not arrange under the next group. _ 
