National Museum, 6.
_Measurements._
+----+-----------+-----------+---------+---------+-----------+----------+
|Sex.| Wing. | Tail. | Culmen. | Tarsus. |Middle Toe.|Specimens.|
+----+-----------+-----------+---------+---------+-----------+----------+
| ♂ | 7.35–7.70| 5.25–5.60| .48–.50|1.30–1.45| 1.20–0.00| 3 |
+----+-----------+-----------+---------+---------+-----------+----------+
| ♀ | 8.25–8.50| 5.70–5.80| .55–.60|1.50–1.60| 1.35–1.40| 3 |
+----+-----------+-----------+---------+---------+-----------+----------+
Second quill longest; first quill equal to, a little shorter than, or a
little longer than, the fourth.
Var. richardsoni, RIDGWAY.