I9O THE CHICAGO ACADEMY OF SCIENCES. 



Illinois, two of these being based on specimens actually secured. 

 Mr. Nelson says : "A very rare winter visitant. Dr. Hoy ob- 

 served a small flock near Racine in January, 1852; and Dr. Velie 

 has since observed them at Rock Island, Illinois." Mr. Ridg- 

 way writes as follows : "This species can only be considered 

 the merest straggler to the extreme northern portion of the 

 State." On November 5, 1906, Mr. John F. Ferry obtained 

 a specimen at Waukegan, Illinois, and on the eighth of the same 

 month I secured two females at the same locality. These birds 

 are the only specimens actually secured in the state. 



The Hudsonian Chickadee ranges in North America from 

 northern New England, New York and northern Illinois north- 

 ward. 



FAMILY SYLVIIDJE: WARBLERS, KINGLETS. AND 

 GNATCATCHERS. 



Genus REGULUS Cuvier, 1799-1800. 



Regulus satrapa Lichtenstein. Golden-crowned Kinglet. 

 Regulus satrapa LICHTENSTEIN, Verz. Doubl., 1823, 35. 

 Regulus crisatus NUTTALL, Man., I, 1832, 420. 



Popular synonyms: GOLDEN-CRESTED KINGLET or WREN. AMERICAN 

 GOLDEN-CREST. GOLDEN-CROWNED WREN. 



The Golden-crowned Kinglet is a common migrant, arriving, 

 in the spring, from the last of March to the tenth of May, and 

 returning, in the fall, from the first of October to the middle of 

 November. Mr. Eliot Blackwelder reports having seen one of 

 these birds on the first of December, which is an unusually late 

 record. 



The range of this species covers the whole of North America. 

 It breeds in the northern and elevated portions of the United 

 States and northward, and winters southward in the United States 

 and through Mexico and Central America to Guatemala. 



Regulus calendula (Linnaeus). Ruby-crowned Kinglet. 



Motacilla calendula LINNAEUS, S. N., ed. 12, I, 1766, 337. 

 Regulus calendula LICHTENSTEIN, Verz. Doubl., 1823, 35. 

 Popular synonym: RUBY-CROWNED WREN. 



The Ruby-crowned Kinglet is an abundant migrant, arriving, 

 in the spring, from the fifth of April to the middle of May, and 

 returning, in the fall,, from the last of September to the last of 

 October. 



