APPENDIX TO CHECK LIST. 129 



No. 174. The form of Junco with white wing-bars, noted in the 

 Key, p. 141, is named J. hyemalis var. aikeni Ridgway, Am. Nat., vii, 

 1873, 616. See also Pr. Bost. Soc, xv, 1872, p. 201. 



174a. JUNCO HYEMALIS (L.) Scl., 

 var. AIKENI Eidg. 

 "Vniite-wing-ed Snowbird. 



Nos. 175? 176? The queries indicate the gradation with No. 174 

 noted in the Key, p. 141. 



No. 183a. The true Z. leucophrys var. gambeli is a Pacific coast form, 

 from which the Middle Coast form has been distinguished (Bull. Ess. 

 Inst., V, 198) as 



183b. ZONOTRICHIA LEUCOPHRYS (Fobst.) Sw., 



var. INTERMEDIA Eidgw. 



IXidg-way's Sparrow. 



No. 206. For Canon react Canon. 



" 210. The prairie form has been characterized as Dolichonyx 

 oryzivorus var. albinucha Eidg. (Bull. Ess. Inst., v, 198), a name it 

 may not be necessary to adopt. 

 No. 216. For Daudin read Daudin. 



" 220. For Girand read Giraud. 



" 226. jPor Nuttallii rea(Z Nuttalli. 



" 229a. For Gairdnerii read Gairdneri. 



" 237. The question of synonymy left open in the Key, p. 166, has 

 been determined (Bull. Ess. Inst., v, 199) as follows: "A. sordida" 

 of the Key is a new variety, arizonce of ultramarina, the true sordida 

 being a Mexican variety of the same species. Accordingly, No. 237 

 should stand as 



237. APHELOCOMA ULTEAMARIWA (Bp.) Cab., 

 var. ARIZONA (Eidg.) 

 Arizona Ultramarine Jay. 



No. 239. Two varieties of Canada jay, one from Alaska, the other 

 from the Rocky Mountains, have lately been named (Bull. Ess. Inst., 

 v, 199). 



239a. PERISOREUS CAWADEIfSIS (L.) Bp., 

 , var. OBSCUKUS Eidg. 



Dusky Canada Jay. 



239b. PERISOREUS CANADENSIS (L.) Bp., 

 var. capitalis Bd. 

 Rocky mountain Jay. 



Check List Birds. 9 



