314 U.S. NATIONAL MUSEUM BULLETIN 23 7 pabt i 



Migration. — Early dates of spring arrival are: New Jersey — Oak- 

 hurst, February 19. Texas — northwestern Atascosa County, Feb- 

 ruary 2; Haskell County, March 28. New Mexico — Clayton, Febru- 

 ary 26. Montana — Stanton Lake, February 11. Nevada — Carson 

 City, March 9. Washington — Pullman, March 16. British Co- 

 lumbia — Okanagan Landing, March 21. 



Late dates of spring departure are: Texas — Haskell County, May 8; 

 Rockport, April 26. Nebraska — Red Cloud, February 26. New 

 Mexico — Clayton, May 3. Colorado — Platteville, March 17. 



Early dates of fall arrival are: Washington — Camas, September 11. 

 Nevada — Clark County, October 5. Texas — El Paso, August 7. 



Late dates of fall departure are: British Columbia — Okanagan 

 Landing, October 24. Nevada — Clark County, December 5. Wy- 

 oming — Laramie, November 25. Utah — Pine Valley, December 31. 

 Colorado — Platteville, December 27. Arizona — Tombstone, Decem- 

 ber 20. New Mexico — Clayton, December 13. Kansas — Morton 

 and Hamilton counties, November 19. 



Egg dates. — Arizona: 37 records, March 16 to June 30; 20 records, 

 May 10 to May 26. 



British Columbia: 50 records, April 13 to July 18; 25 records, 

 April 22 to May 23. 



California: 268 records, February 28 to August 7; 104 records. 

 May 1 to May 17; 72 records, April 6 to April 26. 



Colorado: 16 records, April 24 to July 22; 9 records. May 13 to 

 May 26. 



New Mexico: 12 records, April 12 to June 26. 



Oregon: 31 records, April 7 to July 25; 16 records. May 6 to May 22. 



Texas: 9 records, April 5 to July 12. 



Utah: 37 records, Apiil 16 to July 4; 19 records, April 20 to June 1. 



Washington: 23 records, April 15 to June 30; 13 records, April 25 

 to June 13. 



CARPODACUS MEXICANUS POTOSINUS Griscom 



San Luis House Finch 



Habits 



Ludlow Griscom (1928) gave the above name to this subspecies 

 and selected an adult male from San Luis Potosi, Mexico, as the type. 

 He gave it the following subspecific characters: "Similar to Car- 

 -podacus mexicanus rhodocolpus Cabanis, but adult male in breeding 

 plumage a darker bird thi'oughout, the red areas more crimson or car- 

 mine, less scarlet; brown of upperparts darker, and brown streaking 

 below heavier, darker and more distinct; adult male in winter plum- 



