280 U.S. NATIONAL MUSEUM BULLETIN 221 



This form was based upon three specimens with identical data, all ac- 

 quired by von Berlepsch at the same time and place. One other cotype was 

 given to Sclater, from whose possession it passed into that of the British 

 Museum (Natural History), London; the third may still exist in one of the 

 German collections. 

 Myiarchus ferox actiosus Ridgway 



Proc. Biol. Soc. Washington 19: 116, September 6, 1906. 

 198632. Adult male. Pigres, Territory of Puntarrenas, Costa Rica. 

 March 6, 1905. Collected by Robert Ridgway. 

 Myiarchus ferox audens Wetmore 



Smithsonian Misc. Coll. 122 (8) : 5, December 17, 1953. 

 443502. Adult female. Nuqui (Pacific coast at lat. 5°40' N.) , Intendancy 

 of Choco, Colombia. March 5, 1951. Collected by Melbourne A. 

 Carriker, Jr. Original number 19780. 

 Muscicapa lawrenceii Giraud 



Description of sixteen new species of North American birds, [p. 7], 

 pi. 2, fig. 1, 1841. 

 =Myiarchus tuberculifer lawrenceii (Giraud) . See Hellmayr, Catalogue 



of birds of the Americas 5 : 185, 1927. 

 47690. Adult (sex not indicated). "Texas." "1838." Received from 



Jacob P. Giraud, Jr. 

 See my remarks under Muscicapa texensis Giraud (p. 275). The type 

 locality for this bird has been corrected to the Mexican State of Nuevo 

 Leon, by Miller and Griscom (Amer. Mus. Nov. 159: 7, February 16, 1925) . 

 Myiarchus lawrencei tresmariae Nelson 



Proc. Biol. Soc. Washington 17: 49, March 10, 1904. 

 =Myiarchus tuberculifer tresmariae Nelson. See Hellmayr, Catalogue of 



birds of the Americas 5 : 186, 1927. 

 156810. Adult male. Maria Madre Island, Tres Marias Islands, off the 

 State of Nayarit, Mexico. May 7 (not 5), 1897. Collected by Edward 

 W. Nelson and Edward A. Goldman. Original number 4319. Received 

 from the U.S. Fish and Wildlife Service. 

 Myiarchus lawrencei querulus Nelson 



Proc. Biol. Soc. Washington 17: 47, March 10, 1904. 

 =Myiarchus tuberculifer querulus Nelson. See Hellmayr, Catalogue of 



birds of the Americas 5: 185, 1927. 

 185220. Adult male. Los Reyes, State of Michoacan, Mexico. February 

 17, 1903. Collected by Edward W. Nelson and Edward A. Goldman. 

 Original number 9137. Received from the U.S. Fish and Wildlife 

 Service. 

 Myiarchus lawrencei olivascens Ridgway 



Proc. Biol. Soc. Washington 2: 91, April 10, 1884. 

 =Myiarchus tuberculifer olivascens Ridgway. See Hellmayr, Catalogue 

 of birds of the Americas 5 : 186, 1927. 



