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 Kidg. 

 White-wingred 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. ZOWOTBICHIA LEUCOPHRYS (FORST.) Sw., 



var. INTERMEDIA Ridgw. 

 Jtidg 1 way'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 Dandin'read Daudin. 



" 220. For Girand read Giraud. 



" 226. For Nuttallii read 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 ULTBAMABINA (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. PERISOBEUS CANADENSIS (L.) BP., 



var. OBSCURUS Ridg. 

 Dusky Canada Jay. 



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



var. CAPITALIS Bd. 

 Rocky Mountain Jay. 



CHECK LIST BIRDS. 9 



