15. PSITTACULA. 241 



b". Orbital region with no blue colour. 

 a". Upper mandible dusky brown. Lar- 

 ger than P. passerina and very dark 

 green; female with no blue whatever, 

 and with the forehead, sides of the 

 head, and throat yellowish green . . selateri, p. 244. 

 b'". Upper mandible, like the under man- 

 dible, whitish. 

 a*. Greener. 



«\ Forehead, cheeks, and lower 

 parts more or less yellowish 

 green ; female with no blue 

 whatever, with the rump 

 emerald-green, and with fore- 

 head, cheeks, and lower parts 

 decidedly yellowish green .... passerina, p. 245. 

 6\ Forehead and cheeks pure green, 

 with no yellow tinge whatever ; 

 blue colour of the rump and 

 wings a shade lighter ; bill 

 thick and robust; female un- 

 known crassirostris, p. 247. 



b*. Paler and more yellowish ; fore- 

 head, cheeks, and underparts dis- 

 tinctly yellowish green ; female 

 unknown Jlavescens, p. 248. 



b. Rump in the adult male turquoise-blue. 



c'. Under wing-coverts turquoise-blue like 

 the rump ; female with no blue what- 

 ever, and with rump bright green ; 

 quills (except tertials) darker green than 

 coverts , cyanopygia, p. 249. 



d'. Under wing-coverts bicoloured, dark ultra- 

 marine-blue, surrounded by a distinct 

 outer margin of bluish green ; female 

 " with tbe rump and under wing- 

 coverts Paris-green " (Ridgway) spengeli, p. 250. 



c. Rump in the adult male emerald-green ; 



under wing-coverts bicoloured, dark ultra- 

 marine-blue, surrounded by a distinct outer 

 margin of bluish green ; upper greater wing- 

 coverts emerald-green, more or less tinged 

 with light cobalt-blue ; primary-coverts 

 green, the innermost deep ultramarine-blue ; 

 female with no blue whatever ; inner webs 

 of the quills underneath greenish guianensis, p. 251. 



1 . Psittacula ccelestis. 



Agapomis ccelestis, Less. Echo du Monde Savant, 1844, t. 2 * ; id. 



Descr. Mamm. vt Ois. p. 198 (1847). 

 Psittacula ccelestis, Lafr. Rev. Zool. 1848, p. 172 ; Bp. Rev. et Mag . 



de Zool. 1854, p. 152, n. 133 ; Souanci, Rev. et Mag. de Zool. 



* I have not been able to find this quotation, which seems wrong, although 

 given by Lesson himself (Descr. Mamm. et Ois. /. c). 



VOL. XX. B 



