362 



BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Mdospizafasclatame.vicana (not J/, jiiclodia \ar. laexicana Hidgway) Ai,i,p:x, Bull. 



Am. Mus. N. H., v, 1893, 39 (Bavispe R., ii. e. Sonora, Dec.^). 

 yielospiza mciodia mgersolU McGregor, Bull. Coop. Orn. Club, i, no. 2, ]Mai-. to 



Apr. (pub. Mar. 15), 1899, 35 (Battle Creek, Shasta Co., n. California, Oct.; 



coll. K. C. McGregor); no. 5, Sept. to Oct. (pub. Sept.), 1899, 88. 



MELOSPIZA CINEREA FALLAX (Baird). 

 DESERT SONG SPARROW. 



Similar in slender ))ill to 2L c. //lOfita/x/, Init wing- and tail avorai>-ing 

 decidedly shorter and coloration conspicnously paler and more rusty, 

 the rtisty streaks, both al)ove and below, without blackish shaft-streaks, 

 or else with these merely indicated on the interscapular region; young- 

 dull brownish bufty or ])ale wood ])rown above, the back streaked with 

 rusty brown or dark l)rown; beneath bully white, the chest streaked 

 with rather light browu. 



J/(//t^— Length (skins), 13H.14-155.45 (14( *..;-?()); wing, (>5. 02-68.83 

 (66.80); tail, 65.?J-T1.3T (68.83); exposed culmen. 11.18-12.70 (12.45); 

 depth of bill at base, T.11-T.3T (7.27); tarsus, 20.07-22.10 (21.34); 

 middle toe, 14.22-15.75 (14.73).- 



i'lv/^^/ A.— Length (skins), 129.54-147.83 (13'.).95); wing. 62.74-66.55 

 (64.26); tail, 60.71-70.61 (66.29); exposed cidmen. 11.43-12.19 (11.94); 

 depth of bill at base, 6.86-7.11 (6.90); tarsus, 20.07-21.08 (20.57); 

 middle toe, 13.72-14.99 (14.73). « 



Lower Sonoran district of southwestern Arizona, southern Nevada 

 (Pahranagot Valley, Beaverdam, etc.), southeastern California, north- 

 eastern Lower California (Salton River), and Sonora. 



Zonutricldufalla.vBAinD, Proc. Ac. Nat. Sci. Phila., vii, June, 1854, 119 (Pueblo 

 Creek, Arizona; U. S. Nat. Mus.). 



^Specimens compared with type of 3L c. merr'dU! 



^ Fifteen specimens. 



^Twelve specimens. 



Specimens from the Colorado desert district of California and Lower California are 

 identical in coloration with those from Arizona and Sonora; average measurements 

 of the two series are as follows: 



Locality. 



Wing. 



-MALES. 



Eight adult males from Arizona and Sonora 



Seven adult males from Salton River, Lower Cali- 

 fornia 



FEMALES. 



Eight adult females from Arizona 



Four adult females from Salton River, Lower Cali- 

 fornia 



