Printed on the plate
“Allied Harrier”
Circus assimilis
Engraved caption: Circus assimilis
Modern identification
Circus approximans
- Certain
- Checked against the engraved caption
- Hawks, Eagles, and Kites · Accipitridae
Why
TRAP: Gould misapplied assimilis J&S to the Swamp Harrier (text: 'resembles the Marsh Harrier'; Circus gouldi Bp. is the new name for it)
Sources
List of Plates (vol. I); engraved caption on the leaf; Gould's text and synonymy; crosswalk; pinned in Featherframe (gould_australia.yaml)
Who made the plate
J. Gould and H. C. Richter del et lithC. Hullmandel Imp.
- John Gould drew and lithographed
- Henry Constantine Richter drew and lithographed
- Charles Joseph Hullmandel printed
As the credit line gives it. More on who made these plates.