1887. PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 589 



39. Pitaugus derbianus (Kaup). 



Two specimens, June 2 and 18. 



40. Tyrannus melancholicus satrapa (LiciiT.). 

 Two si)eciineus, June 12 and 19. 



41. Myiodyuastes luteiventris ScL. 

 One specimen, June 13. 



42. Myiozetetes texensis (Giu.). 

 One specimeu, June 23. 



43. Contopus brachytarsus ScL. 



Three specimens, in bad plumage, July 19 to August 15. 



44. Pyrocephalus rubineus mexicanus (ScL.). 

 Six specimens, June 12 to July 19. 



45. Myiobius sulphureipygius Sgl. 



One specimen, June 13. 



46. Todirostrum cinereum (Linn.). 

 Three specimens, June 12, 13. 



47. Copurus leuconotus Lafk. 

 Two specimens, June 15. 



48. Pipra mentalis Scl. 

 Two specimens, June 15. 



49. Tityra personata Jard & Selby. 

 Two specimens, June 12 and 19. 



50. Tityra fraseri Kaup. 



One specimen, August 5. 



51. Pachyrhamphus ciiiuamomeus Lawr. 

 Two specimens, June 12. 



52. Laniocerca rufescens (Scl.). 



One specimeu (male), June 18. This differs from two ottier males, 

 one from Oosta Eica, the other from Panama, in longer bill (though the 

 wing and tail are not longer), in much more^istinctly undulated lower 

 parts, and in possessing very distinct black terminal margins to the 

 greater and some of the middle wing-coverts, besides two or three small 

 black spots on the belly. These black markings are, however, said to 

 occur in examples from Veragua and Panama. 



53. Dendrocolaptes sancti-thomae (Lafr.) 

 One specimeu, August 13. 



54. Dendrornis lavirrencei costaricensis Ridgw.* 

 One specimen, June 19. 



* Cf. these Proceedings, p. 510. 



