APPENDIX TO CHECK LIST. 129 



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

 Key, p. Hi, is named J. hijemalis var. aikeni Kidgway, Am. Nat., vii, 

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



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



var. AIKENI Ridg. 

 White-wingrcd 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 (FoRST.) Sw., 



var. INTERMEDIA Ridgw. 

 Ridgrway's Sparrow. 



No. 206. For Canon read Canon. 



" 210. The prairie form has been characterized as Dolichonyx 

 oryzivorus var. albinucha Ridg. (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. For Nuttallii read Nuttalli. 



" 229a. For Gairclnerii 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 ULTRAMARINA (Bp.) CAB., 



var. ARIZONA (Ridg.) 

 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 CANADEWSIS (L.) BP., 



var. OBSCURUS Ridg. 

 Dusky Canada Jay. 



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



var. CAPITALIS Bd. 

 Rocky ^fountain Jay. 



CHECK LIST BIRDS. 9 



