342 SCIENCE PROGRESS 



Animal Proteins. By Hugh Garner Bennett, M.Sc, Member of the Society 

 of Leather Trades' Chemists. London : BailHere, Tindall & Cox, 

 8 Henrietta Street, Covent Garden, 192 1. (Pp. xiii + 287.) Price 

 15s. net. 



Petrograplaic Methods and Calculations. With some Examples of Results 

 achieved. By Arthur Holmes, D.Sc, A.R.C.S., D.LC, F.G.S., F.R.G.S. 

 London: Thomas Murby & Co., i Fleet Lane, E.C. 4. (Pp. xix + 515, 

 with 4 plates and 83 diagrams.) Price 31s. 6d. net. 



Elements of Engineering Geology. By H. Ries, Ph.D., Professor of Geology, 

 Cornell University, and Thomas L. Watson, Ph.D., Professor of Geology, 

 University of Virginia, and State Geologist of Virginia. New York : 

 John Wiley & Sons; London: Chapman & Hall, 1921. (Pp. iv + 

 365, with 252 figures.) Price 22s. net. 



The Elements of Vegetable Histology. By C. W. Ballard, Associate Professor 

 of Materia Medica and Director of the Microscopical Laboratory, College 

 of Pharmacy, Columbia University; Microanalyst, Department of 

 Health, City of New York. New York : John Wiley & Sons ; London : 

 Chapman & Hall, 1921. (Pp. xiv + 246, with 75 figures.) Price i8s. 

 net. 



Les Mouvements des Vegetaux. Du Re veil et du Sommeil des Plantes. 

 By Rene Dutrochet. Les Maitres de la Pensee Scientifique. Collection 

 de Memoires et Ouvrages. Publiee par les soins de Maurice Solovine. 

 Paris : Gauthier-Villars et Cie, fiditeurs, Libraires du Bureau des 

 Longitudes, del'ficolePolytechnique, Quaides Grands-Augustins, 55, 192 1. 

 (Pp. viii + 121.) 



Agricultural Economics. By James E. Boyle, Ph.D., Extension Professor 

 of Rural Economy, College of Agriculture, Cornell University. London : 

 J. B. Lippincott Company. (Pp. ix + 443, with 90 illustrations.) 

 Price I2S. dd. net. 



Lichens. By Annie Lorrain Smith, F.L.S., Acting Assistant, Botanical 

 Department, British JMuseum. Cambridge : at the University Press, 

 1921. (Pp. xxviii + 464, with 135 figures.) Price 555. net. 



A Text-book of Botany for Medical and Pharmaceutical Students. By James 

 Small, D.Sc, Ph.D., F.L.S., Professor of Botany in the Queen's Uni- 

 versity of Belfast, late Lecturer in Botany to the Pharmaceutical Society 

 of Great Britain. London: J. & A. Churchill, 7 Great Marlborough 

 Street, 1921. (Pp. x + 681, with 1,350 illustrations.) Price 25s. net. 



The Garden of Earth. A little book on Plant-life, Plant-growth, and the 

 Ways and Uses of Plants. By Agnes Giberne. London : Society 

 for Promoting Christian Knowledge ; New York : The Macmillan 

 Company, 1921. (Pp. xiv + 178, with illustrations.) Price 6s. 6d. net. 



Insects and Human Welfare. An Account of the more important Relations 

 of Insects to the Health of Man, to Agriculture, and to Forestry. By 

 Charles Thomas Brues, Assistant Professor of Economic Entomology, 

 Bussey Institution, Harvard University. Cambridge : Harvard Uni- 

 versity Press; London: Oxford University Press, 1920. (Pp. xii + 

 104, with 42 figures.) Price los. 6d. net. 



Insect Pests of Farm, Garden, and Orchard. By E. Dwight Sanderson ; 

 formerly Entomologist of the Delaware, Texas, and New Hampshire 

 Agricultural Experiment Stations, and Director of the New Hampshire 

 and West Virginia Agricultural Experiment Stations. Second Edition, 

 Revised and Enlarged. By Leonard Marion Peairs, Professor of Ento- 

 mology, West Virginia University. New York : John Wiley & Sons ; 

 London: Chapman & Hall, 1921. (Pp. vi -|- 707, with 604 figures.) 

 Price 26s. 



