PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 141 



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

 Texas) and Guatemala. 



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



fTyrannula irrUaUUs, Bonap., Consp. I, 1850, 189. Supposed to belong? here from 

 quot.atiou of Azara. " South America." Not Tyrannus inifahllis, Vieill. ! 

 ilyiarchus a-initus, b. var. irritabilis, Coues, P. A.N. S.July 2, 187"2, 65 (Ceutral and 

 South America, Paraguay, Rio Parana, Babia, Venezuela, Yucatan, Guate- 

 mala, Costa Rica). 

 Alyiarchus crinitus var. irriiahilis, B. B. & R., Hist. N. Am. B. II, 1874, 3:51 (Paraguay 

 to Costa Rica). 

 Myiarchus erythrocei-ctis, Sgl. »& Salv.,P. Z. S. 1H68, 631, 632 (Venezuela); Norn. Neotr. 

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

 Pyrovephahis erythrocercus, Gray, Hand-list, I, 1859, No. 5522 (s. g. Myionax. Quotes 

 "crinitus, p., Hartl. ; irritabilis, p., Bp. ; ferox $ , Burra."). 

 Pipperie gran-hois, St. Croix vernac. {fide Semper, I. c). 



112. Myiarchus cinerascens, Lawr. 



On\y two specimens of this variety were taken. — {M. mewicanus, Dres- 

 ser, Ibis, 1865, 473.) 



113. Pyrocephalus rubiiieus var. me^cauus, Sclat. 



Resident, 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 : — 



9100 

 29C90 

 373C4 

 523 10 



'-ao7 



57040 

 58644 

 .53815 

 5yU17 



73(i:n 



73C32 

 736a:» 

 42337 

 71138 

 73032 

 4'J312 



— ad. 



— ad. 



— ad. 

 d ad. 

 cf ad. 



— ad. 

 cT ad. 

 ? ad. 

 d" ail. 

 d ad. 



— ad. 

 d nd. 

 d'ad. 

 d ad. 

 -ad 

 ?ad. 

 d'ad. 



— ad. 



U.S. 

 U.S. 



u. s. 

 u. s. 



R.R. 

 R. R. 

 R. R. 



u. s. 

 u. s. 



u. s. 



U.S. 

 U.S. 



U.S. 



U.S. 



IT. S. 



u. s. 

 u. .s. 



U.S. 



Locality. 



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



Mexico 



Tie» Maria.s, Weatern Mexico 



Mazatlaii, Mexico 



do 



Tehuaiitepec, Southern Mexico 



do 



do 



!!!";do!!!-!i" !'";!"""'" "i"!"^! 

 do 



do 



Guadalajara, Southern Mexico 



Fort Brown, Texaa 



do 



Central Guatemala 



Date. 



Jan. —,1865 



Dec. 18, 18fi8 

 Dec. 24, 1SG8 

 Dec. 16, 18G8 

 May 5, 1869 

 Apr. 27, 18C9 

 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. €0 

 4. 2.") 



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 

 1. 55 

 4.00 

 4.30 

 4.25 

 4.20 

 4.60 

 4.15 

 4.60 

 4.20 



4.15 



.62 



.93 

 .95 

 .95 

 .92 

 .92 

 .90 

 .88 

 .92 

 .88 

 .95 

 .95 

 .98 

 .95 

 .90 



.90 



