366 



Dendrornis erythropygia, sp. nov. 



Bendrornis triangularis, Sclater, P. Z. S. 1856, p. 289, nee Lafr. 



Supra obscure olivacea, secundariis extus, uropygio toto et cauda 

 rubiginoso-rufis ; capite striis, dorso medio maculis ovalibus 

 ochracescenti-albidis distincte notato : subtus obscure olivacea, 

 guttis subtriangularibus pallide ochracescenti-albidis, in gula 

 crebrioribus, et totas fere plumas occupantibus notata: rostri 

 albicantis parte culminali nigricanti-cornea : pedibus nigris. 

 Long. tota9'0, alse 4'6, caudse 4*0, rostri a rictu 1'45. 

 Hab. In Stat. Verse Crucis et Oaxaca reipubl. Mexicanse {Salle 

 et Bouca7-d). 

 Mus. P. L. S. 



Obs. Affinis Dendrornithi triangulari ex Nova Granada, sed se- 

 cundariis extus et uropygio omnino rufis, guttis interscapulii ova- 

 libus et gutture fere toto ochracescente facile distinguenda. 



Fam. Formicariid^. 



118. Thamnophilus doliatus 119. Grallaria guatemalensis, 



(Linn.). Prevost. 



Fam. Tyrannid^. 



120. Scaphorhynchus mexicanus, Lafr. 



121. Pitangus derbianus, Kp. 



122. Tyrannus melancholicus (Vieill.). 



123. Contopus borealis (Sw.). 



124. Myiozetetes texensis (Giraud). 



125. Myiodynastes luteiventris, Sclater. 



126. Pyrocephalus mexicanus, Sclater. 



127. S ay ornis pallida (Sw.). 



128. Witrephorus ph(ieocercus,^f^2XQX. 



129. Mionectes assimilis, Sclater. 



130. Legatus variegatus, Sclater. 



131. Myiarchus lawrencii (Cass.), 



132. fuscus (Gm.). 



133. Empidonax flaviventris, Baird. 



134. Attila citreopygius, Bp. 



Fam. CoTiNGiD^. 



135. Tityra personata (Jard. & Selb.). 



136. Platypsaris affinis, Elliot. 



137. Pachyrhamphus major. Cab. 



Numerous specimens of a rosy -breasted Becard are in the collec- 

 tion, which seem all referable to the light-backed bird lately distin- 

 guished by Mr. Elliot as Platypsaris affinis (Ibis, 1859, p. 394. 

 pi. 13). On the other hand, specimens from Oaxaca and Central 

 America belong to the dark-backed variety, which he considers to 

 be the true P. aglaice. There is certainly no difference in size between 



