National Museum, 7; Boston Society, 2; Philadelphia Academy, 3; New York
Museum, 6; collection of R. Ridgway, 1. Total, 19.
_Measurements._
+----+-----------+-----------+---------+---------+-----------+----------+
|Sex.| Wing. | Tail. | Culmen. | Tarsus. |Middle Toe.|Specimens.|
+----+-----------+-----------+---------+---------+-----------+----------+
| ♂ |14.40–14.75| 9.70–00.00| .90–0.00|2.15–2.45| 1.95–2.00| 3 |
+----+-----------+-----------+---------+---------+-----------+----------+
| ♀ |15.75–16.25|10.00–11.00| .98–1.00|2.20–2.50| 2.05–2.15| 6 |
+----+-----------+-----------+---------+---------+-----------+----------+
Var. islandicus, SABINE.