Rusden, History of New Zealand (1895); Alfred Saunders, History of New Zealand (1896); James Cowan, The Maoris of New Zealand (1909).
In the case of Cowan v.
C. Cowan, Phil.
Ewing and Cowan looked carefully for it, especially in weak fields, but failed to discover anything of the kind.'
And ii., Cowan (1889); of iii., Mayor (1880, with Life by G.
Cowan, The Royal House of Stuart (1908).
The frame cases - wired on both sides - are hung at the angles of a revolving ring of iron, and the reversing process is so simple and effective that the " Cowan " reversible frame has been adopted in all the best machines.
In this, and indeed in all extractors used in large sb apiaries, the " Cowan " or re versible frame principle is used.
Cowan, British Bee-keepers' Guide-Book, The Honey Bee, its Natural History, Anatomy and Physiology; Langstroth on the Hone y Bee, revised by C. Dadant & Son; A.