With Notes on Milk and Cream Testing.
By M.A. O'Callaghan, author of "Dairying in Australasia." Demy 8vo., 1s. (postage 1d.)
HERD TESTING RECORD BOOK.
Designed by M.A. O'Callaghan for Herd Testing Associations and Stud Cattle Breeders. 200 leaves, foolscap size, strongly bound, 5s. (postage 1s.)
PRACTICAL BIO-CHEMISTRY.
By H.L. Kesteven, D.Sc., Lecturer at Sydney Technical College. Paper cover, 2s. 6d. (postage 1d.)
GEOGRAPHY OF NEW SOUTH WALES.