To accompany a manual of bird study/Hirundinidae
Appearance
1. Purple Martin
Shining blue black wings and wings and tail duller
2. Eave or Cliff Swallow
Back and crown steel blue, forehead cream white, throat and sides
of the head chestnut, breast brownish gray, under parts whitish
3. Sandbank Swallow
Upper parts and band on breast brownish gray, throat and
under parts white
4. Barn Swallow
Upper parts dark blue, forehead, throat and breast reddish brown
5. Tree Swallow
Upper parts dark blue or green, throat and under parts white