520 ORNITHOLOGY. 



List of specimens. 

 G\, S JHv.; Sacramento, Ciilifornlii, Jiiue 20, 1807. Oaks. I4§ — 22 — 7i — Til — 1 — 



(i5, $ juv.; oaks. 16f — 233— Tf— G§— 1^— lif— SJ— GJ. 



(!(), $ juv.; Sacramento, California, June 20, 1807. Oalvs. 15.^ — 23 — 7i| — GJ — 



07, $ juv.; oaks. IGf— 23^— 7§— G^— 1-J— 1§— S— GJ. 



08, 9 juv.; oaks. 15U-22§-7i-GT?j.-l J^-lf-S-0. 



09, 9 juv.; oaks. 16— 23|— 7f— Gg— IJ^— 1|— 7^— 0^. 

 70, 9 juv.; oaks. 10!^— 23i— 7a_G3— 1^— 13_^-_Gi. 

 78,juv.; oaks. 101—233— 7 1— 0^1 1 — 1|— si_Gi. 

 79, juv.; oaks. 14— 221— 7^0- 1 Jj.— Iji— CJ— 4i. 

 80, juv.; oaks. WJL-2•>^~^^-^-]f^-l^^^-^. 



314, $ ad.; American River, Sacramento Co., Cal., November, 1867. (H. G. 

 Parker.) 19— (?)— 8— 61— iT-'g—lif— lOi— SJ. 



[All the specimens obtained, with the exception of the last, were immature and 

 in molting condition; thus the measurements given are of little importance. In all, 

 the bill and bare orbital-region is pure unshaded yellow, varying little, if any, with 

 the specimen, being of a deep lemon-, or nearly chrome-yellow, the face more 

 citreous. The skin over the whole body also, as well as the underside of the claws 

 (possibly only in young birds), is yellow. We did not notice, in examining this species, 

 the leaden-blue outer ring to the iris, afterward found to be a constant feature in 

 P. hudsonica.] 



Pica rustica. 



ninrk-biDlfd :TI:ig;i>ie. 



/i. huhonka — American Macjpk. 

 {Tall' -tut of the Washoes ; Qm' -iou-fjih, gih of the Paiutes.) 



Corvus hudsonicus, Sabine, App. Franklin's Journey, 1823, 25, 201. 



Pica hudsonica, BoNAP., Comp. & Geog. List, 1838, 27.— Baird, B. N. Am, 1858, 



570; Cat. N. Am. B., 1859, ¥o. 432.— Cooper, Orn. Cal, I, 296. 

 Pica melanoleuca var. hudsonica, CouES, Key, 1872, 164, fig. 106 ; Check List, 1873, 



No. 233a; B. N.W., 1874, 211.— Henshaw, 1875, 334. 

 Pica caudata var. hudsonica, Allen, Bull. Mus. Comp. Zool., Ill, 1872, 178.— B. B. 



& R., Hist. N. Am. B., II, 1874, 206, pi. xxxviii, fig. 1. 

 Pica rustica var. hudsonica, Baird, Orn. Simpson's Exped., 1876, 380. 



The Black-billed Magpie is one of the most c-haracteristic birds of the 

 Interior, bnt its abundance varies greatly, in fact, almost unaccountably, 

 with the locality ; it is also one of the most conspicuous birds of that region, 



