20 Bulletin American Museum of Natural History [Vol XL VIII 



Amphispiza bilineata deserticola Ridgway 



Desert Sparrow 

 Taken at nearly all points visited by the expedition including 

 San Esteban, Carmen, Santa Catalina, Santa Cruz, and Espiritu Santo 

 islands. 



Melospiza lincolni lincolni (Audubon) 

 Lincoln's Sparrow 

 Tiburon Island, April 12. 



Pipilo maculatus magnirostris Brewster 



Large-billed Towhee 

 San Bernardo Mountain, May 14. 



Pipilo fuscus albigula Baird 

 San Lucas Towhee 

 San Bernardo Mountain, May 10, Miraflores, Ma}' 7-10. 



Pipilo fuscus jamesi, new subspecies 

 Tiburon Island Towhee 



Subspecific Characters. — Smaller than P. f. intermedins, but bill and feet 

 larger; coloration similar but paler throughout; chin, throat, breast and abdomen 

 paler; upper parts and flanks much more ashy, ear coverts slightly ashier; anal and 

 femoral regions and under tail-coverts decidedly less tawny; crown lighter rufous. 



Aver, of 2 9 .—Length (skin), 198. Wing, 88. Tail, 92. Culmen, 15. Tarsus, 24. 

 Middle-toe, 25. 



Aver, of 2 d".— Length (skin), 197. Wing, 90. Tail, 89. Culmen, 16. Tarsus, 23. 

 Middle-toe, 24. 



Type.— No. 131,854, Amer. Mus. Nat. Hist., cf ad., Tiburon Island. 



In general appearance of under parts this bird has more resemblance 

 to P. f. albigula, the Lower California form, than to intermedins of the 

 adjacent Sonoran mainland, but is paler than either. The Tiburon birds 

 were compared with specimens from Guaymas, taken March 3 to 23. 

 Tiburon Island, April 12, 13. 4 specimens. 



Named for Mr. Arthur Curtiss James of New York. 



Oreospiza chlorura (J. K. Townsend) 

 Green-tailed Towhee 

 Specimens were taken at Cape San Lucas, March 24 and La Paz, 

 March 29. It was observed also at Tiburon Island. 



