INDEX rO KEY lO EGGS. 



Group i . White eggs (unmarked) 



Section i. Nest on branches of" trees or bushes 



Part 1 . Eggs less than .60 inch long 



Part 2. Eggs from .60 to .85 inches long 



Part 3. Eggs between .go and 1.25 inches long 



Part 4. Eggs more than 1.50 inches long 



Section 2. Nest in hole in tree, stump, or post 



Part I . Eggs less than .80 inch long 



Part 2. Eggs from .So to .98 inches long 



Part 3. Eggs from .98 to 1.25 inches long 



Part 4. Eggs from 1.25 *.> 1.75 inches long 



Part 5. Eggs more than 1.75 inches long 



Section 3. Nest about dwellings, barns, and out-buildings 



Section 4. Nest in open fields on ground or in bunch of grass 



Part I . Eggs less than 1.50 inches long 



Part 2. Eggs more than i .50 inches long 



Section 5. Nest in hole in bank 



Part I . Eggs less than i inch long 



Part 2. Eggs more than i inch long 



Section 6. Nest in swampy places, in reeds or grass, on ground, 

 or on floating vegetation 



Part I . Eggs less than i inch long 



Part 2. Eggs between i and 1.50 inches long 



Part 3. Eggs more than 1.50 inches long 



CiROUP 2. Eggs blue or greenish blue (unmarked) 



Section i. Nest on branches of trees or bushes 



Part I. Eggs less than .76 inch long 



Part 2. Eggs from .77 to i inch long 



Part 3. Eggs from i inch to 1.35 inches long 



Part 4. Eggs more than 1.35 inches long 



Section 2. Nest in hole in tree, stump, or post 



Section 3. Nest about dwellings and barns 



Section 4. Nest in open fields, on ground, or in bunch of grass 



Section 5. Nest in swampy places, in reeds, or grass, on ground, or 



on floating vegetation 



Oroup 3. Eggs not white or blue (unmarked) 



Section i 

 Section 2 

 Section 3 

 Section 4 

 Section 5 

 Section 6 



Nest on branches of trees or bushes 



Nest in hole in tree, stump, or post 



Nest about dweUings, and barns, and buildings 



Nest in open fields, on ground, or in bunch of grass 



Nest on ground, in woods, in dry places 



Nest in swampy places, in reeds or grass, on ground, or 



on floating vegetation 



716 



PACE 

 719 

 719 

 719 

 719 

 719 

 719 

 720 

 720 

 720 

 720 

 721 

 721 

 721 

 721 

 721 

 722 

 722 

 722 

 722 



722 

 722 

 722 



723 



723 

 723 

 723 

 724 

 724 

 724 

 724 



725 

 725 

 725 

 725 

 726 

 726 

 726 



726 



