PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 141 



erage, 92).* Hob. — Mexico (including Lower Kio Grande Valley in 

 Texas) and Guatemala. 



The principal references to var. erythrocerciis are the following : — 



fTyrannula irritdbilis, Boxap., Consp. I, 1850, 189. Supposed to belong here from 

 quotation of Azara. " South America." Not Tyrannus irritahilis, Vieill. ! 

 Myiarchus crinitus, b. var. irritahilis, CouES, P. A.N. S.July 2, 1872, 65 (Central and 

 South America, Paraguay, Eio Parana, Bahia, Venezuela, Yucatan, Guate- 

 mala, Costa Rica). 

 Myiarchus crinitus var. irriiaMlis, B. B. & R., Hist. N. Am. B. II, 1S74, 331 (Paraguay 

 to Costa Rica). 

 Myiarchus erythrocercus, Scl. & Salv., P. Z. S. 1868, 631, 632 (Venezuela); Norn. Neotr. 

 1873, 52.— ? Semper, P. Z. S. 1871, 271 (Sta. Lucia, W. I.!) ; 1872, 650. 

 Pyrocephalus erythrocercus, Gkay, Hand-list, I, 1869, No. 5522 (s. g. Myionax. Quotes 

 "crinitus, p., Hartl. ; irritahilis, p., Bp. ; ferox $ , Burm."). 

 Pippei'ie gran-hois, St. Croix vernac. {fide Semper, I. c). 



112. Myiarchus cinerascens, Lawr. 



Only two specimens of this variety were taken. — (If. mexicanus, Dres- 

 ser, Ibis, 1865, 473.) 



113. Pyrocephalus rubineus var. mexicanus, Sclat. 



Eesident, but more abundant in summer than in winter. During the 

 breeding season, the male frequently utters a peculiar twittering song 

 while poised in the air about thirty feet from the ground ; during the song, 

 it frequently snaps its bill as if catching insects. Its note of anger and 

 alarm is a mew. Except during the breeding season, the birds are 

 decidedly shy. The nests are usually placed upon horizontal forks of 

 ratama-trees, growing upon the edge of a prairie, and rarely more than 

 six feet from the ground. They bear considerable resemblance to nests 

 of the Wood Pewee in appearance and in the manner in which they are 

 saddled to the limb ; the bottoms are made of small twigs, over which 



* Eighteen specimens, as follows : — 



Locality. 



Date. 



9100 

 29690 

 373GJ 

 oiSlO 

 1182 

 '-:J97 



57(140 

 58&44 

 58815 

 .')yGi7 



73031 

 73632 

 73633 

 42337 

 71138 

 73022 

 49312 



— ad. 



— afl. 



— ad. 

 d ad. 

 d ad. 



— ad. 

 d ad. 

 ? ad. 

 d ad. 

 d ad. 



— ad. 

 cf ad. 

 cTad. 

 d ad. 



— ad. 

 9 ad. 

 d ad. 



— ad. 



U.S. 

 U.S. 



U.S. 

 U.S. 

 R.R. 

 K.R. 

 R. R. 

 U.S. 

 U. S. 

 U.S. 

 U.S. 

 U.S. 

 U.S. 

 U.S. 

 U.S. 

 U.S. 

 U.S. 

 U.S. 



" Mexico " (If. cooperi, Baird, B. N. Am.). 



Mexico 



Tres Marias, Western Mexico 



Mazatlan, Mexico 



.. -do 



Tehuantepec, Southern Mexico 



do 



.""\Ao\v^"l[\[\'..".'.v^'.v^'.'.'.'.'.v..\ 



do 



do 



do 



do 



Guadalajara, Southern Mexico 



Fort Brown, Texas 



do 



Central Guatemala 



Jan. — , 1865 



Dec. 18,1868 

 Dec. 24,1868 

 Dec. 16, 1868 

 May 5,1869 

 Apr. 27, 1869 

 Oct. 8, 1869 

 Apr. 11,1871 

 May 27, 1871 

 May 27, 1871 



May 10, 1877 

 Apr. 1, 1876 



4.10 

 4.05 

 4.10 

 4.30 

 4.30 

 4.05 

 4.00 

 4.25 

 3.85 

 4.10 

 4.15 

 4.10 

 4.40 

 4.05 

 4.45 

 4.05 



4.15 



4.00 

 4.05 

 4.20 

 4.20 

 4.40 

 4.05 

 4.25 

 4.55 

 4.00 

 4.30 

 4.25 

 4.20 

 4.60 

 4.15 

 4.60 

 4.20 



4.15 



.69 

 .62 

 .70 

 .70 

 .72 

 .65 

 . 75 

 .60 

 .72 



.75 

 .73 

 .82 

 .65 



.93 

 .95 

 .95 

 .92 

 .92 

 .90 

 .88 

 .92 

 .88 

 .95 

 .95 

 .98 

 .95 

 .90 



.90 



