230 TYRANNID/E. 



P.Z.S.1859, p. 36G, et Ibis, 1859, p. 441; Sclat.et Salv. 

 Ibis, 1859, p. 122. Empidonax hypoxanthis, Baird, MS. 

 a. Cavlisle, Pennsylvania [Bell). h. Jalapa [De Oca), 

 c. Cboctum, Vera Paz (Salvvi). d. Duenas [Salvin). 



1410. Empidonax biificilis. 



Empidunax difficilis, Baird, B. N, Am, p. 198. 

 a. California [Bridges). 



V 1411. Empidonax bairdii. 



Empidunnx bairdii, Sclater, P. Z. S. 1858, p. 301, et Ibis, 



1859, p. 442 ; Sclat. et Salv. Ibis, 1860, p. 36. 

 fl. c? . Cordova [Salle). b. Coban, Vera Paz [Salvin). 



c. Mazatlan. d. S. Mexico. 



^^ 1412. Empidonax hammondij. 



Tyranmda hammondii, De Vesey, Proc. Acad. Philad. 1858, 



p. 117. EmpidoHax ham7nondii,^aivd, B. N. Am. p. 199. 

 a. N.W. Boundary [Kennerhj) : example received from 



Smithsonian Institution. 



^ 1413. ExMpidonax obscurus. 



Tyrannuh ohscura, Sw.Phil. Mag. 1827, i. p. 367. Empi- 

 donax ofocwMS, Baird, B.N. Am. p. 200; Sclatei*, P.Z. S. 

 1862, Jan. 28. 

 a. Fort Yuma [Mollhausen) ; b. S. Jose, L. California 

 [Xantus) : examples received from Smithsonian Institu- 

 tion, c, d. La Parada, Mexico (Soiican/). • 



1414. Empidonax ? 



a, b. Southern Mexico : perhaps young of E. obscurus. 



1415. Empidonax ? 



Empidonax ?, Sclater, P. Z. S. 1862, Jan. 28. 



a. Mexico, b, c. La Parada, Mexico [Boucard). 



Genus Contopus. 



V 1416. Contopus borealis. 



Tyrannus borealis, Swr. Faun. Bor.-Am. ii, p. 141. pi. 5. 

 .. Muscicapa . coopef'i, Nutt. Man. i. p. 282. Contopus 



cooperi, Cab. Journ. f!'5rn. 1855,p.479,etl861,p.248 ; 



Cab. et Hein. Mus. Hein. ii. p. 72. Muscicapa inornafa, 



Nutt. Man. i. p. 282. Contopus borealis, Ijaird, B. N. 



Am. p. 188. Contopus mesoleucus, Sclater, P. Z. S. 1859, 



p. 43, et Ibis, 1 859, pp. 122, 440. 

 a. San Francisco, California [Cutts): ex. received from 



Smiths. Inst. Z*. Mexico (>SW/e). c. Orizaba (^o/^m) : 



type of C. mesoleucus (rather smaller in dimensions). 



d. ]\Iexico ( Verreaux) . 



