146 



PSITTACID^, 



Key to the Genera. 



a. General colour above and below blue. 



a'. Lores feathered ; orbital ring incom- 

 plete 



V. Lores naked ; (orbital ring- incomplete ?) 



b. Underparts never blue 

 c'. Orbital ring complete ; furcula present. 



a 1 '. Lores, and, more or less, also tbe 



cheeks naked 4. 



b". Lores feathered. 



a"'. Bill much compressed; lower 

 mandible flattened and grooved in 



front ; cere feathered 5. 



b'". Bill not compressed, rather 

 swollen on the sides ; lower man- 

 dible broad, not grooved. 

 a*. Fourth primary attenuated, nos- 

 trils exposed ; ambiens muscle 

 always well developed( Garrod). 

 b*. Fourth primary not attenuated. 

 ft 3 . Cere feathered ; nostrils 

 hidden. 

 a 6 . Tail never entirely red. 

 ft 7 . Bill of moderate size. 

 a 9 . Upper mandible sharply 



notched 7. 



J 8 . Upper mandible not 

 sharply notched .... 8. 

 h 1 . Bill very high, with the 

 lower mandible very 



broad 9. 



i 6 . Tail entirely dull red. 

 c 7 . Upper mandible abnormal, 

 very long and nearly 



straight 10. 



d 7 . Upper mandible normal . 11. 

 6 3 . Cere naked ; nostrils exposed ; 

 tail frequently brown-red ; 

 ambiens muscle lost (Garrod) 12. 

 «". Orbital ring incomplete. 



c". Bill rather swollen on the sides ; 



culmen rounded ; oil-gland tufted . 



c'". Furcula present. 



c*. Nostrils hidden by the feathers 



at the base of the bill projecting 



forwards 13. 



d*. Nostrils exposed and open in a 

 cere much swollen all round . . 14. 

 d'". Furcula absent ; tail rather short ; 



sexes different 15. 



d" . Bill rather compressed ; nostrils open 

 in a cere naked all round the base 

 of the bill ; no tufted oil-gland .... 16. 



[p. 147. 



2. Anodorhynchtjs, 



3. Ctanopsittacus, 

 [p. 150. 



Ara, p. 150. 



Rhynchopsittacus, 

 [p. 168. 



6. Contjrus, p. 170. 



Conuropsis, p. 203. 

 Cyanolysetjs, p. 205 



Gnathosittaca, 



[p. 208. 



[p. 209. 

 Henicognathxts, 



MlCROSITTACE, p. 210. 



Pyrrhura, p. 211. 



Myopsittacus, p. 231. 



BoEBORHYNCHUS, 



[p. 233. 

 Psittacula, p. 240. 



Brotogerys, p. 253. 



