BIRDS OF NORTH AND MIDDLE AMERICA 19 



Zapatera, Nicaragua). — Miixer and Griscom, Atner. Mus. Nov., No. 25, 1921, 



7 (crit.). — Groebbels, Der Vogel, ii, 1937, 166 (breeding data). 

 C[rax] panamensis Reichenow, Die Vogel, i, 1913, 280. 

 [Crax] panamensis Sharpe, Hand-list, i, 1899, 14. — Brabourne and Chijbb, Birds 



South Amer., i, 1912, 8 (Colombia; nw. Ecuador). 

 Crax hecki Reichenow, Joum fiir Om., 1894, 231, pi. 2 (aviary bird; 9). — 



Groebbels, Der Vogel, ii, 1937, 166 (data on breeding biology). 

 Crax chapmani Nelson, Proc. Biol. Soc. Washington, xiv, Sept. 25, 1901, 170 



(Puerto Morelos, e. Yucatan; coll. U. S. Nat. Mus.). — Salvin and Godman, 



Biol. Centr.-Amer., Aves, iii, 1902, 273. 

 Crax sclateri Beristain and Laurencio, Mem. y Rev. Soc. Cient. "Antonio Alzate,'' 



vii, 1894, 220 (Mexico). 



CRAX BUBBA GRISCOMI Nelson 



COZUMEL CURASSOW 



Adult male. — Similar to that of the nominate form but smaller. 



Adult female. — Similar to the dark phase adult female of the typical 

 race but smaller, the median white band on the crest slightly broader; 

 the inner primaries and the secondaries with slightly wider whitish trans- 

 verse markings, and the scapulars, greater upper wing coverts, and upper 

 surface of secondaries generally more irregularly marked with dusky 

 mottlings. 



Subadult male. — Similar to the adult but without the swollen wattle 

 on the cere. 



Juvenal male. — None seen. 



Juvenal female. — Similar to the adult but with the lower breast, upper 

 abdomen, and sides barred with narrow wavy blackish bands, some of 

 the feathers with whitish tips. 



Natal down. — Apparently not known. 



Adult male.— Wing 325-355 (339.5) ; tail 300-310 (306.8) ; culmen 

 from cere 26.5-29 (27.8) ; culmen including cere 44—52 (48) ; tarsus 

 98-109.5 (104.5) ; middle toe without claw 62.5-71.5 (67 mm.)." 



Adult female.— Wing 320-330 (328.3) ; tail 273-305 (289.3) ; culmen 

 from cere 22.5-26 (24.5) ; culmen including cere 42-45 (43) ; tarsus 

 97-98 (97.5) ; middle toe without claw 60.5-63 (62.1 mm.).i^ 



Confined to the type locality, Cozumel Island, off the coast of Yucatan. 



Crax glohicera (not of Linnaeus, 1766) Salvin, Ibis, 1889, 378; 1890, 89 (Cozumel 

 Island; crit.). — Ogilvie-Grant, Cat. Birds Brit. Mus., xxii, 1893, 478, part 

 (Cozumel Island) ; Handb. Game Birds, ii, 1897, 203, part (Cozumel Island). — 

 Salvin and Godman, Biol. Centr.-Amer., Aves, iii, 1902, 271, part (Cozumel 

 Island). 



Crax glohicera ? Ridgway, Proc. U. S. Nat. Mus., viii, 1885, 581 (Cozumel Island; 

 crit.). 



Crax globicera griscomi Nelson, Proc. Biol. Soc. Washington, xxxix, 1926, 106 



" Three specimens of each sex. 



