THE LONG-TAILED AMERICAN PARTRIDGES. I.13 



Tetrao mariJiorata^ La Llave, Reg. Trim. i. p. 144 (183 1) ; id. 



La Nat. Mex. vii. App. p. 65 (1884). 

 Dendrorfyx macrouriis, Gould, Monogr. Odontoph. pt. i. pi. 2c 



(1844); Ogilvie-Grant, Cat. B. Brit. Mus. xxii. p. 392 



(1893). 



Adult Male — Chin and throat black (feathers of the chin 

 sometimes with whitish centres) ; short eyebrow-stripes and 

 band bordering sides of throat ivJiite ; neck, mantle, chest, and 

 sides chestnut broadly edged with grey ; lower back and rump 

 dull olive-brown finely mottled with black ; wing-coverts and 

 shoulder-feathers mostly olive-grey, with irregular black and 

 white spots and markings ; breast and middle of belly dirty- 

 white or brownish-olive ; naked space round the eye coral-red. 

 Total length, 15 inches; wing, 6-3; tail, 6*5 ; tarsus, 2; middle 

 toe and claw, 2*i. 



Adult Pemale. — Smaller. Total length, 13-3 inches; wing, 

 5-9; tail, 5*3; tarsus, 175; middle toe and claw, i-8. 



Range.— Southern Mexico; the highlands of Colima, Guer- 

 rero, and Oaxaca. 



II. THE BEARDED LONG-TAILED PARTRIDGE. DENDRORTYX 



BARBATUS. 



Dendrorfyx barbatus, lAcht.; Gould, Monogr. Odontoph. pt. ii. 

 pi. 22 (1846) ; Ogilvie-Grant, Cat. B. Brit. Mus. xxii. p. 

 393 (1893)- 



Adult. — Easily distinguished from D. 7nacrourus by having 

 the chin and throat grey ; eyebrow-stripes and cheeks dark 

 grey ; chest, breast, and sides of belly light chestnut. Naked 

 skin round the eye red. Total length, 13*5 inches ; wing, 6*2; 

 tail, 4"8 ; tarsus, 1*95 ; middle toe and claw, 2'i. 



Range. — South-east Mexico; the vicinity of Jalapa, Vera 

 Cruz. 



12 I 



