JACAMARALCYON TRIDACTYLA. 



THE THEEE-TOED JACAMAE. 

 PLATE XVI. 



Le Jacamaralcion, Levaill. Prom, et Guep. Suppl. p. 51, t. L. (1807). 



Galhula tridactyla, Vieill. Nouv. Diet. xvi. p. 445 (1817). 



Galhula tridactyla, Licht. Verz. Doubl. p. 12 (1823). 



Galbula tridactyla, Vieill. Enc. Meth. p. 1327 (1823). 



Galhula tridactyla, Spix, Av. Bras. i. p. 55, t. 57. fig. 2 (1824). 



Galhula ceycoides, Such, Zool. Journ. ii. p. 112 (1826). 



Galhula ceycoides, Jard. et Selb. 111. Orn. i. t. 22 (18301). 



Jacamaralcyon hrasiliensis. Less. Traite d'Orn. p. 235 (1831). 



Galhula armata. Swains. An. in Men. p. 328 (1839). 



Cauax tridactylus, Cab. in Wiegm. Arch. 1847, i. p. 347. 



Galhula tridactyla, Gray et Mitch. Gen. B. i. p. 83 (1847). 



Jacamaralcyon tridactyla, Gray, List of Eiss. B. M. p. 67 (1848). 



Jacamaralcyon tridactyla, Bp. Consp. i. p. 153 (1850). 



Cauax tridactylus. Cab. in Ersch u. Grub. Enc. sect. 1, p. 310 (1851). 



Jacamaralcyon tridactyla, Reich. Handb. d. sp. Orn. p. 83 (1852). 



Jacamaralcyon tridactyla, Scl. Syn. Galb. p. 8 (1852). 



Jacamaralcyon tridactyla, Cassin, Cat. Hale. p. 18 (1852). 



Jacamaralcyon tridactyla, Bp. Consp. Vol. Zyg. p. 18 (1854). 



Jacamaralcyon tridactyla, Scl. P. Z. S. 1855, p. 16. 



Galhula tridactyla, Pelz. Sitz. Ak. Wien. xx. p. 518 (1866). 



Jacamaralcyon tridactyla, Scl. Cat. A. B. p. 268 (1862). 



Cauax tridactylus, Cab. et Hein. Mus. Hein. iv. p. 213 (1863). 



Galhula tridactyla, Euler, Journ. f. Orn. 1867, p. 221. 



Jacamaralcyon tridactyla, Reinh. Fuglef. Bras. Camp. p. 123 (1870). 



Galhula tridactyla, Pelz. Orn. Bras. p. 25 (1871). 



Jacamaralcyon tridactyla, Scl. et Salv. Nomenel. p. 105 (1873). 



Cauax tridactylus. Cab. Journ. f. Orn. 1874, p. 227. 



Supr^ scMstaceo-nigra seneo perfusa ; pileo ochracescente fusco striato ; subtus paulo dilutior, gutture nigro, 

 meHto et lateribus capitis fusco striatis, abdomine medio pure albo ; rostro nigro, pedibus obscure 

 scbistaceis : long, tota 7-5, alse 2'8, caudse 2'8j rostri a rictu 1'9. 



Hab. in Brasilise meridionali-orientalis pro v. internis. 



The occurrence of monotypic forms in the subregion of South-eastern Brazil is a fact well known 

 to the student of neotropical ornithology. Tijuea and Phihalura among the Cotingidse, Cahj^tura 

 Scl. Jac. & Puffb. No. ^11.— January, 1880. H 



