Morepork they conceded the two were easily distinguishable in appearance, so maintained the three as subspecies; the Tasmanian boobook only diverged by 2.7% from the other two, while the powerful and rufous owls diverged by 4.4% from each other. Leading from this, the southern boobook was split from the Tasmanian boobook and morepork in volume 5 of the "", however several authors, including Les Christidis and Walter Boles, contested that the data had been misinterpreted from the Norman study, which had not sampled any Australian mainland boobooks at all. They treated the three taxa (southern, Tasmanian boobooks, and moreporks) as a
Australasian Sketcher with Pen and Pencil and illustrator Julian Ashton, and published Arthur Streeton's first black and white work on 24 January 1889. In 1880 it briefly moved to a fortnightly publication which lasted until 1882 before returning to a monthly journal. In 1889, it merged with "The Australasian". Australasian Sketcher with Pen and Pencil The Australasian Sketcher with Pen and Pencil was a monthly magazine published by the proprietors of "The Argus" between 1873 and 1889. The "Sketcher" was issued at monthly intervals according to shipping movements between Australia and Britain. The magazine contained many illustrations, engravings, and articles which capture "the picturesque phases of