362 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Mtiospizafasciata inc.riccDia (not M. mdodia var. iiie.ricana Eidgway) Aluex, Bull. 



Am. Mus. ^'. H., V, 1893, 39 (Bavispe R., n. e. Sonora, Dec.'). 

 Melo.ipiza mdodia ingersolli ilcGEEGOR, Bull. Coop. Orn. Club, i, no. 2, Jlar. to 



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



coll. R. C. JIoGregor) ; no. 5, Sept. to Oct. (pub. Sept.), 1899, 88. 



MELOSPIZA CINEREA FALLAX (Baird). 

 BESEKT SONG SPAKROW. 



Similar in slender bill to M. c. iiwntund, but wing and tail averaging 

 decidedl}^ shorter and coloration conspicuously paler and more rusty, 

 the rusty streaks, both above and below, without blackish shaft-streaks, 

 or else with these merety indicated on the interscapular region ; young 

 dull brownish buily or pale wood brown above, the back streaked with 

 rusty brown or dark brown ; beneath buffy white, the chest streaked 

 with rather light brown. 



J7^r/6'.— Length (skins), 136.1^-156.45 (146.30); wing, 65.02-68.83 

 (66.80); tail, 65.79-71.37(68.83); exposed culmen, 11.18-12.70 (12.45); 

 depth of bill at base, 7.11-7.37 (7.27); tarsus, 20.07-22.10 (21.34); 

 middle toe, 14.22-15.75 (14.73).= 



i^tf?Hff/t'.— Length (skins), 129.54-147.83 (139.95); wing, 62.74-66.55 

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

 depth of bill at base, 6.S6-7.11 (6.90); tarsus, 30.07-21.08 (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. 



ZonotridiiafallcLv Baird, Proc. Ac. Nat. Sci. Phila., vii, June, 1854, 119 (Pueblo 

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



'Specimens compared with type of M. c mcrrilli! 



^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. 



Tail. 



Ex- 

 posed 

 culmen. 



Depth 

 of bill 

 at base. 



Middle 

 toe. 



MALES. 



Eight adult males from Arizona and Sonora 



Seven adult males from Salton River, Lower Call' 

 fornia 



FEMALES. 



Eight adult females from Arizona 



Four adult females from Salton River, Lower Call' 

 fornia 



6l>. .W 

 67.06 



64.91 

 64.52 



69.09 



68.58 



66.29 

 66.29 



12,19 

 12. IS 



11.94 



7.27 



7.27 



6.90 

 6.90 



21.34 

 2L08 



20.83 

 20.32 



15.24 

 14.48 



14. ra 

 14.48 



