442 



U. S. p. E. R. EXP. AND SURVEYS ZOOLOGY — GENERAL REPORT. 



througlioiit, the commissure concave and slightly sinuated, the gonys straight. The claws are 

 straighter, or less curved. In other resijects of form, &c., there is a very close relationship. 



Synopsis of the species. 



Back with well defined dark brown streaks. A yellowish superciliary streak from the hill, 

 and a distinct median liglit line along the top of the head. Bill moderate. 

 Superciliary stripe decided yellow throughout. 



Fore part of breast only streaked. Bill above, .40 ; wing, 2.65 P. savanna. 



Similar to last, but larger and darker. Bill above, .50 ; wing, 2.95. 



P. sandwichensis. 

 Breast and fore part of belly thickly streaked. Under parts with a reddish tinge. 



Bill, attenuated, .42 ; wing, 2.66 P. anthinus. 



Superciliary stripe pale, with little or no yellow. 



Fore part of breast sparsely streaked. Bill slender, elongated P. alaudinus. 



Back grayish brown, with very obsolete and rather darker streaks. No distinct median light 

 line on the crown. Bill enormously large P. rostratus. 



Comparative measurements of species. 



C'atal 

 No. 



6339 



6340 



10145 



102o0 



78U 



780 



781 



102(13 



6343 



6343 



63)5 



6315 



4311 



4341 



5554 



4342 



4343 



5E55 



6330 



Species, 



Passerculus rostratus 



.do . 

 .do.. 

 ■ do. 

 .do. 

 .do. 

 .do. 

 .do., 

 .do. 

 .do. 

 .do. 

 .do. 

 .do., 

 .do. 

 .do. 

 .do . 

 .do . 



....do 



...Bavauna.... 



....do 



....do , 



Locality. 



San Diego 



do 



VVasliingt(>ii,D. 0. 



Soutll Illinois 



CarH.sIn, Pa 



do do 



do I do 



..sandwicllonsisi Russian America.. 



do 



do.... 



do.... 



do.... 



.alaudinus 

 .... do.... 



do.... 



do.... 



do.... 



,do....anlliinus . 

 .do do?.... 



Slioalwater bay. . . . 



, do 



Fort Steitacoom .... 



do 



Tamaiilipao, Mcx.. 



do 



Pelaluma, Cal 



Tamaulipas, Mcx .. 



do 



Petaliinia, Cal 



Bunicia, Cal 



5.30 

 5.30 

 5.40 

 5.40 

 4.84 

 5.25 

 5.06 

 5.30 

 5.60 

 6.12 

 5.64 

 6.12 

 5.00 

 5.25 

 5.14 

 5.00 

 5.00 

 5.00 

 4.90 



§'S 



8.57 



9.25 

 9.37 

 9.00 



2.63 

 2.82 

 2.77 

 2.63 

 2.53 

 2.64 

 2 65 

 2.S9 

 2.80 



2.95 



2.27 

 2.36 

 2.29 

 2.13 

 2.14 



2.12 



2.37 

 2.33 



2.57 



2.76 



2.25.' 



2.90 



2.50 



2.50 



2.66 



2.56 



2.30 



2.37 

 2.03 



2.24 

 2.00 



0.85 

 0.89 

 0.84 

 0.78 

 0.76 



0.78 

 0.83 

 0.86 



0.85 

 0.81 



0.84 

 0.77 



0.79 

 0.80 



0.79 



0.84 

 0.80 

 0.76 

 0.73 



0.78 

 0.78 

 0.66 



0.82 

 0.78 



0.77 

 0.73 



0.76 

 0.78 



0.20 

 0.20 

 0.19 

 21 

 0.17 



O.IS 

 0.18 

 U.24 



0.22 

 0.22 



0.18 

 0.19 



0.20 

 0.20 



S a 



0.60 

 0,61 

 0.64 

 0.61 

 0.60 



0.62 

 0.66 



0.66 

 0.62 



0.63 

 0.59 



0.62 

 0.62 



a 



0.29 

 0.28 

 0.30 

 0.30 

 0.30 



0.28 

 0.29 



0.34 

 0.31 



0.30 

 0.28 



0.30 

 0.27 



0.50 

 0.52 

 0.40 

 0.41 

 39 



0.54 



I 0.56 



I 0.48 



0.46 



44 



0.40 

 0.39 

 0.50 



0.43 

 0.42 



0.56 

 0.52 

 0.52 



Specimen 

 measured. 



0.40 

 0.40 



0.45 

 0.44 



0.42 

 0.42 



0.15 

 0.50 



Skin .. 

 Skin .. 

 Skill .. 

 i^kiii .. 

 Skin .. 

 Fresh . 

 Skin .. 

 Skin .. 

 Skin .. 

 Fresh . 

 Skin .. 

 fresh . 

 Skin .. 

 Fresh . 

 Skin .. 

 Skin .. 

 Fresh . 

 Skin .. 

 Skin .. 



PASSERCULUS SAVANNA, Bo nap. 

 Savanuah Sparrow. 



FringUlu i«ii«ii,i«, Wii.so.-j, Am. Orii. Ill, 1811, 55 ; pi. 23, C 2.— lu. IV, lisll, 72 ; [il. ai, I'. J.— .Aid. Oiii. Ilio};. 



II, 1834, 63 : V, 1839, 51G ; pi. 109. 

 fusserculus savanna, Hon. List, 18.38. — In. Coiispcclus, IH.'iO, 480 — Cab. lilus. Meiii. 1851, 1,'il. 

 Emherizn savanna, Ai.D. Syii. 18:i9, 103.— In. Uiicl-s Amer. Ill, 1841, 08 ; pi. 1G(I. 

 '/ Filngilla hijenialis, Gm. 1, 1788, 922. — Licirr. Vcrzcicliniss, 1823, No. 2.50. Gmcliii'ii description, based on 



I'oTinant Arctic iiool. II, .370, (winter fiiicli,) npplies ei|iially well to a lui;ju iiiiniliuiorBjiucios. 

 J.lnai-ia savanna, Kiciiaiiusun, List, 1837. 



