486 CRACID^. 



Crax tuberosa, Spix, Av. Bras. ii. p. 51, pi. Ixvii a. (1825) [Rio 



Solimoes]. 

 Ourax erythrorhynchus, Sivains. Class. B. ii. p. 352 (1837) ; id. An. 



in Menag. p. l87 (1837). 

 Mitu tuberosa, Grmj, List of B. pt. iii. Gall. p. 21 (1844); Bates, 



Nat. on the Amazons, ii. p. 112 (1863) [Rio Tapajos, Cupari 



Forests, Upper Amazons (rare)]. 

 Urax erythrorliynclius, Cab. in Schomb. Brit. Guiana, iii. p. 747 



(1848). 

 Urax mitu, Burmeister, Syst. Uehers. iii. p. 349 (1856) ; Tacz. P. Z. S. 



1874, p. 558 [Central Peru]. 

 Urax tuberosa, Burmeister, iSi/st. Uebers. iii. p. 348 (1856). 

 Mitu brasiliensis, Reichenh. Taubeti, p. 137 (1862). 

 Mitua tuberosa, Sclat. Sf Salvin, P. Z. S. 1870, p. 520 [Chatuicurros, 



E. Peru] ; Burmeister, P. Z. S. 1871, p. 701 [Bolivia] ; Sclat. Sr 



Salvin, P. Z. S. 1873, p. 307 [Loreto on the Maranon] ; Sclat. 



Trans. Z. S. ix. p. 283, pi. Ii. (1875) [Loreto R.] ; Salvin, Ibis, 



1886, p. 174 ; Tacz. Orn. Perou,ni. p. 266 (1886) [Monterico]. 



Adult male and female. General colour black glossed with blue, the 

 belly and under tail-coverts dark chestnut, tail tipped with white. 

 A well-developed occipital crest; culmen rounded and shaqily 

 compressed in front, swollen posteriorly, much deeper than in 

 M. tomentosa and M. salvini ; bill and feet red. 



Male. Total length 34 inches, wing 14-5, tail 12, tarsus 4-4, 

 middle toe and claw 3'5. 



Hab. British Guiana, Para, Rio Tapajos, Eio Madeira, Matto 

 Grosso, Bolivia, Peru, Rio Maraiion, and Upper Amazons. 



a, &. Ad.st. S.America. E. Cross, Esq. [P.]. 



c. Ad. sk. S. America. Purchased. 



d. Ad. sk. Cosnipata, Peru, Oct. H. Whitely [C.]. 



e. (S ad. sk. Lake loanacan, Rio Solimoes, Salvin-Godman Coll. 



Jan. {Nattcrer). 

 f-h. Skeletons. 



2. Mitua tomentosa. 



Crax tomentosa, Spix, Av. Bras. ii. p. 49, pi. Ixiii. (1825) [Rio 



Negro]; Gray, Hand-l. B. ii. p. 254 (1870). 

 Pauxi tomentosa. Gray, Gen. B. iii. p. 487 (1846) ; id. List Gallince 



Brit. Mus. p. 17 (1867). 

 Urax tomentosa, Burmeister, Syst. Uehers. iii. p. 349 (1856) ; Cab. 



in Scho7nb. Brit. Guiajia, iii. p. 746 (1848). 

 Mitua tomentosa, Sclat. Sc Snlmn, P. Z. S. 1870, p. 520 ; Sclat. Trans. 



Z. S. ix. p. 280, pi. Iii. (1875) ; Salvin, Ibis, 1886, p. 174 [British 



Guiana]. 

 Ourax tomentosa, v. Pelz. Orn. Bras. p. 288 (1870) [Rio Negro, Rio 



Branco]. 



Adult male and female. General colour black, glossed with blue 

 in female, or purplish blue in the male ; belly, under tail-coverts, 

 outer part of the thighs, and tips of the tail-feathers dark chestnut. 

 Head with only a very short crest. 



