NORTH AMERICAN BIRDS EGGS. 175 



often in deserted Crows' nests. The nesting season is from February in the south 

 to April in the northern parts of their range. They lay from two to four pure 

 white eggs, averaging considerably smaller than those of the Great Horned Owl; 

 size 1.95 x 1.65. 



368a. Florida Barred Owl. Syrnium varium alleni. 



Range. Florida and the Gulf States; north to South Carolina. 

 A. slightly smaller, and darker variety of the Barred Owl. Its habits and nest- 

 g habits are the same except that it generally breeds in January and February, 

 d lays but two eggs, which are smaller than those of the preceding; size 1.90 



1.60. 



368b. Texas Barred Owl. Syrnium varium helveolum. 



Range. Southern Texas. 

 A very similar but slight! 

 toes bare, as in alleni. Eggs indistinguishable. 



A very similar but slightly paler variety than the Barred Owl, and with the 

 Egers indis 



369. Spotted Owl. Syrnium occidentale. 



Range. Western United States, from southern Oregon and Colorado, south- 

 ward . 



Similar to the Barred Owl but spotted, instead of barred, on the back of head 

 and neck, and much more extensively barred on the under parts. The nesting 

 habits do not appear to differ in any respect from those of the eastern Barred 

 Owl, and their eggs which are from two to four in number, can not be distin- 

 guished from those of the latter species; sixe 2.05 x 1.80. 



369a. Northern Spotted Owl. Syrnium occidentale caurinum. 



Radge. Northwestern United States and British Columbia. 

 Similar to the preceding, but darker, both above and below; nesting the same, 

 in hollow trees or in old Hawk's or Crow's nests. Eggs not distinguishable. 



370. Great Gray Owl. Scotiaptex neb- 

 ulosa. 



Range. Northern North America; 

 wintering regularly south to the north- 

 ern border of the United States and 

 casually farther. 



This is the largest of American Owls, 

 being about 26 inches in length; it 

 does not weigh nearly as much, how- 

 ever, as the Great Horned or Snowy 

 Owls, its plumage being very light 

 and fluffy, and dark gray in color, 

 mottled with white. The facial disc is 

 very large, and the eyes are small and 

 yellow, while those of the Barred Owl 

 are large and blue back. They nest in 

 heavily wooded districts, building [White.] 



their nests of sticks, chiefly in pine . 1 _ ., 7O 



trees. The two to four white eggs are laid during May and June; size J.ia 



