DIAGRAM A. ILLUSTRATING THE DISTRIBUTION OF 
SONG SPARROWS. 
1. Mexican Song Sparrow. 
2. Michoacan Song Sparrow. 
3. Durango Song Sparrow. 
4. Mountain Song Sparrow. 
5. Dakota Song Sparrow. 
6. Eastern Song Sparrow. 
7. Merrill’s Song Sparrow. 
8. Desert Song Sparrow. 
9. Brown’s Song Sparrow. 
10. San Clemente Song Sparrow. 
11. Santa Barbara Song Sparrow. 
12. Cooper’s Song Sparrow. 
13. Herrmann’s Song Sparrow. 
14. Alameda Song Sparrow. 
15. Suisun Song Sparrow. 
16; Samuel’s Song Sparrow. 
17. Mendocino Song Sparrow. 
18. Rusty Song Sparrow. 
19. Sooty Song Sparrow. 
20. Yakutat Song Sparrow. 
21. Kenai Song Sparrow. 
22. Bischoff’s Song Sparrow. 
23. Aleutian Song Sparrow. 
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