iSSS.] Allen on Tvjo Suhsfecics of Seaside Sfarrorv. 2815 



series of A. 7iigrcscens from Indian River. I find also in Mr. 

 George B. Sennett's collection a specimen collected many years 

 since at Cedar Keys in November which is practically identical 

 with the Tarpon birds. 



Some April examples of A. 7iigrcscc7is approach var. fcnin- 

 sulcB in having the black of the upper parts, particularly of the 

 head, hind-neck, and fore-back, edged with olive and gray ; but 

 beneath the broad black streaks contrast strongly with the nar- 

 rower and less sharply outlined streaks o^ peninsula:. 



In A. 7narlti7n?4.s, in breeding dress, the breast anti sides are 

 ashy with obscure plumbeous centres, rarely showing a tendency 

 to well-defined streaks. In autumn, however, the dark centres 

 take more the form of streaks. From maritimus.^ in all stages 

 of plumage, /e«/;ej-?</<;i!? difters by its much smaller size, much 

 darker upper parts, decided streaks below, darker flanks, and 

 whiter throat and abdomen. 



I am indebted to Mr. Scott for generously placing this inter- 

 esting material in my hands for description. 



Since the above was put in type I have received from my friend, 

 Dr. A. K. Fisher, of Washington, D, C, sixteen specimens of 

 Seaside Sparrows collected by him at Grand Isle, Louisiana, 

 June 6-9, 1S86. Ten of them are adults in rather worn plumage 

 and six are in first plumage. These specimens prove of great 

 interest, considered in connection with still other material now 

 to be mentioned. 



Three of the Louisiana specimens (No. 2600, 2622, and 2624, 

 Coll. Dr. A. K. Fislicr) are practically identical, considering the 

 ditlerence in season, with the birds from Tarpon Springs and 

 Cedar Keys. In the others the plumage is more worn (in some of 

 them exceedingly abraded), and the streaks below are citlier much 

 less distinct or quite wanting. All agree in small size and dark 

 colors, in this respect ditiering strikingly from true war/V/w^/.v, 

 and agreeing with the Florida bii'ds. The Louisiana birds in 

 first plumage ditler rather more from northern birds in corres- 

 ponding plumage than do the adults. (See the comparative de- 

 scriptions of the young given below.) The average difierence 

 in size is about one fourth of an inch in the length of the wing, 

 the wing in northern birds averaging about 2.50 and in the south- 

 ern about 2.25. 



