Image from the Biodiversity Heritage Library.
Contributed by Smithsonian Institution Archives.
| www.biodiversitylibrary.org
Transcription
Frigate pursuit of Boobies
per / hour
1730 - 1830
III
① Direction of Booby
flight
O ↓
② →
I
④ lower
immature &
⊗ = sub-adults
4 Brown Booby on island - 2000
6 " " left - "