134 bulletin: museum of comparative zoology. 



Four specimens : 



a. <J, Feb. 26,1904. 



b. (alcoholic), 1904. 



c. d. Chichen-Itza, 189-, E. H. Thompson. 



Kather common in the large trees in the clearing near the house. 



75. Platypsaris aglaiae (Lafresnaye). 



Rose-throated Becard. 

 Maya name, I'-a. 

 Two specimens : 



a. 9 (?), March 12, 1904. 



b. $, March 14, 1904. 



76. Pachyrhamphus major itzensis Nelson. 

 Proc. Biol. Soc. Wash., 1901, 14, p. 173. 



Yucatan Pachyrhamphus. 

 Two specimens : 



a. <J, March 13, 1904. 



b. <J, Feb. 5, 1890, E. H. Thompson (Pablo Perera). 

 Apparently rare ; but the one specimen seen by me. The subspecies was 



described from a female taken at Chichen-Itza by Nelson and Goldman. 



HIRUNDINIDAE. 

 77- Progne chalybea chalybea (Gmelin). 



Gray-breasted Martin. 



Maya name, kii-sam'; also l-ya'. " When anything comes near them they 

 circle about it crying ' l-ya', l-ya', ' meaning ' Look out ! Look out ! ' " 

 Two specimens : 



a. <J, March 4, 1904. 



b. 9 , March 4, 1904. 



A few of these birds were seen about in the neighborhood of the house in the 

 early part of March. They often flew into holes under the veranda roof to 

 roost. 



78. *Stelgidopteryx ridgwayi Nelson. 

 Stelgidopteryx serripennis (Aud.). Chapman, Bull. Amer. Mus. Nat. Hist., 1896, 

 8, p. 278. 



Maya name, ku-sam'. 



One specimen : sex ?, Feb. 22, 1904. 



Like Chapman, I found these birds abundant about the ruins. 



