438 Mr. P. L. Sclater's List of the 



I. Attilin.*. 



1. Attila citreopygius (Bp.). Dasycephala citr€opj/ga,^p. 

 Compt. Rend, xxxviii. p. 657; Notes Orn. p. 86; Sclater, P. Z. S. 

 1857, p. 227, et 1859, p. 41. 



Hab. S. ]\Iexico, Vera Cruz and Playa Vicente (Boucard), and 

 southwards to Guatemala and Nicaragua. 

 Mus. P. L. S. 



II. T^NIOPTERINiE. 



2. Sayornis nigricans, Sclater, P. Z. S. 1856, p. 296. 

 Tyrannula nigricans, Sw. Phil. Mag. 1827, p. 367; Baird, Rep. 

 p. 183. 



Hab. S, Mexico, Cordova (Salle); northern provinces (Couch). 



Mus. P. L. S. 



The aquatic habits of the birds of this group (see Eraser in 

 P. Z. S. 1858, p. 457, and Salvin, antea, p. 119), as well as their 

 close alliance with Ochtho'eca, induce me to arrange them here. 



3. Sayornis pallida, Sclater, P. Z. S. 1857, p. 204. Tyran- 

 nula pallida, Sw. Phil. 1827, p. 367. M. saya, Bp. Sayornis 

 saijus, Baird, Rep. p. 185. 



Hab. Whole of Mexico, Jalapa (Boucard). 

 Mus. P. L. S. 



III. Tyrannin^. 



4. Scaphorhynchus mexicanus, Lafr. Rev. Zool. 1851, 

 p. 473 ; Sclater, P. Z. S. 1857, p. 204. 



Hab. S. Mexico, Jalapa (Boucard & de Oca) ; Orizaba 

 (Botteri). 



Mus. P. L. S. 



5. PiTANGUS derbianus, Sclatcr, P. Z. S. 1856, p. 297. 

 Saurophagus derbianus, Kp. P. Z. S. 1851, p. 44, pi. 36. S. 

 sulphuratus, Gambel, Journ. Acad. Phil. i. p. 39. 



Hab. S. Mexico, Cordova (Salle); Jalapa (de Oca). 

 Mus. P. L. S. 



6. Myiodynastes luteiventris, Sclater, P. Z. S. 1859, 

 p. 42. Tyrannus audaxi, Sclater, P. Z. S. 1856, p. 297. 



