APPENDIX. 



519 



bird, composed of sticks, ^ecds, diy grasses, and lined with hair, wool, and the inner 

 soft hbres-of bark of the cottouwood. The nsual complement of eggs is three, 

 seldom four. Thoy measm-o from l.t)() by .75 to 1.10 by .80 of an inch, are of a 

 creamy-white color, with large isolated spots of a reddish-brown, scattered priuci- 

 pallv about the larger end. 



Myiarchus (II, 329). For a discussion of the races of M. hnvrencii considered 

 in then' relation to climatic color-variation, see Am. Journ. Science and Arts, 

 December, 1872. 



Sayornis (11, 339). The outlines of species of Sayomis given below are addi- 

 tional to tliusc already published. 



Empidonax brunneus (II, 363). Specimens in the collection of the Boston 

 Society bear the .MSS. name of E. olivus. But we cannot find a reference to this 

 name. 



Empidonax minimus (11, 372). Has been collected in El Paso County, 

 Colorado, by Mr. Aiken. 



Sayornis saytts. 



Sayornis fuscus. 



