154 



VERTEBRATA. 



THE SUMMER YELLOW-BIKD AND TUE COW-BIRD. (See page 153.) 



northward; the Pine-oreepinCt Warbler, S. pinus, is five inches long; light yclioAvish-green 

 above, yellow beneath ; found from Texas to Maine. The Hemlock Warbler, S. parus, is five 

 and a half inches long; yellowish-green above ; breast yellow ; rest of the lower parts white ; coni- 

 inon in the Middle States. The Black-throated Green Warbler, S. virens, is five inches long; 

 upper parts light yellowish-green ; fore part of the neck black ; lower parts white, tinged with 

 yellow ; found from Texas to Newfoundland. The Cape May Warbler, S. maritima, is five and 

 a half inches long; head and part of the back yellowish-olive; other portions above yellow; 

 lower parts yellow, streaked with black; a rare species; found in New Jersey and Vermont. 

 The Blue-Gray Warbler, S. ca^rulea, four and a half inches long ; upper parts fine light blue ; 

 lower parts white ; found from Texas northward. The Blaokburnian Warbler, S. Blackburnice, 

 is four and three-quarter inches long ; black, streaked with white, above ; breast dull yellow ; 

 the rest white ; found from Texas northward. Ratiibone's Warbler, ^S*. Rathhonii^ is four and 

 a half inches long; general color bright yellow ; found in Mississippi. The Yellow Red-Poll 

 Warbler, S. petechia, is four and a half inches long ; yellowish-olive, streaked with brown, above ; 

 lower parts yellow ; an abundant species from Texas northward, spending the winter in the 

 Southern States. The Blue Yellow-backed Warbler, 8. Americana, is four and a half inches 

 long; light blue above; breast yellow; lower parts yelloAvish-white ; it is a beatitiful species; 

 found throughout the ITnitcd States. The Hermit Warbler, S. occidentalis, is three and a half 

 inches long; the upper parts bluish-gray; throat black; breast and abdomen white; found on 



