/)4. jJursYCHuRirx. 407 



n, 0.5 ad. et pull. Dos Arroyos, State of Guerrero, Salviii-Godmau ("oil. 

 8k. Sept., Oct. {Mrs. H. II. 



Smith). 



54. EUPSYCHORTYX. 



Type. 

 Eupsvchortyx, Gould, Mon. (klontoph. pi. 10, or pt. i. 



(1844); /«^/W. p. 15 (1850) E. leucopogon. 



Sexes different ; crest well or fairly well-developed. 



1st primary falls between the Sth and 9th ; 4th slightly the 

 longest. 



Tail composed of 12 feathers, rather more than half the length 

 of the wing. 



Tarsus shorter than the middle toe and claw. 



Range. Central America and the North of South America. 



Keij to the Species (Males)*. 



A. Breast and belly not pure white. 



a. Chin and throat not black. 



a' Superciliary stripe black cristaius, p. 407. 



b'. Superciliary .strijie ritfous chestnut. 



a". Chest thickly spotted right up to the 



throat ; ear-coverts white leucopogon, p. 408. 



b" . Chest almost immaculate. 



a". Chest much longer and brownish 

 white ; ear-coverts dirty white ; 



underparts paler sonnini, p. 409. 



b'". Crest shorter, dark brown ; ear- 

 coverts dark brown ; imdei-parts 

 brighter parcicristatus, p. 410. 



b. Chin and throat black. 



c . Chest vinaceous with few white spots ; 



mantle dark grey, mottled with black . . lerjlandi, p. 41 1. 

 d'. Chest white, each feather margined with 



black ; mantlechestuut,mostoftliefeathers 



with a more or less distinct central spot. iii(/ro//u!arif>, p. 412. 



B. Breast and belly pure white (chin, throat, and 



superciliary stripes the same coloiu-) hypoleucus, p. 413. 



1. Eupsychortyx cristatiis. 



La Caille hup^e du Mexique, Briss. Orn. i. p. L'()0, pi. xxv. fig. 2 



(1700). 

 Tetrao cristatus, Linn. S. N. i. p. 277 (1760); Gm. S. N. i. pt. ii. 



p. 705 (1788). 

 Caille liiipee du ^lexique, D'Aubent. PI. Enl. ii. pi. 61 [no. 126]. 

 he Zouecolin, I>iijf. Hist. Nat. Ow. ii. p. 485 (1771). 

 Crested Quail, Lath. Gen. Si/n. ii. pt. ii. p. 784 (1783) ; id. Gen. Hist. 



viii. p. 329 (1823). 

 Perdix cristata, Z^^/i. Lid. Orn. ii. p. 052(1790); Temm. Pig.et 



Gall. iii. pp. 440, 730 (1815). 



* It h.Ts not been found possible to make a satisfactory key for distinguishing 

 the females. 



