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. aikent Ridgway, Am. Nat., vii, 
1873,616. See also Pr. Bost. Soc., xv, 1872, p. 201. 
174a. JUNCO HYEMALIS (1.) Scl., 
var. AIKENI Ridg. 
White-winged Snowbird. 
Nos. 175? 176? The queries indicate the gradation with No. 174 
noted in the Key, p. 141. 
No. 183a. The true Z. Jeucophrys var. gambeli is a Pacific coast form, 
from which the Middle Coast form has been distinguished (Bull. Ess. 
Inst., v, 198) as 
188b. LONOTRICHIA LEUCOPHRYS (forst.) Sw., 
var. INTERMEDIA Ridgw. 
Ridgway’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. 
‘¢ 2920. For Girand read Giraud. 
‘¢ 226. For Nuttallii read Nuttalli. 
‘¢ 2999a. 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: On sordida”’ 
of the Key is a new variety, arizone of ultramarina, the true sordida 
being a Mexican variety of the same species. Accordingly, No. 237 
should stand as 
237. APHELOCOMA ULTRAMARINA (Bp.) Cas.,. 
var. ARIZONZ (Ridg.) 
Arizona Ultramarime Jay.. 
No. 239. Two varieties of Canada jay, one from Alaska, the other 
from the Rocky Mountains, have lately been named (Bull. Ess. Inst., 
Weel). 
239a. PERISOREUS CANADENSIS (L.) Bpe., 
f ar. OBSCURUS Ridg. 
Dusky Canada Jay. 
239b. PERISOREUS CANADENSIS (2.) Bpr., 
var. CAPITALIS Bd. 
Rocky Mountain Jay. 
CHECK LIST BIRDS. 8) 
