UNIFORM fVITH THIS FOLUME 



Illustrated. Each \6s. net. 



THE BIOLOGY OF THE SEA-SHORE. 

 By F. W. Flattely and C. L. Walton. 

 With an Introduction by Professor J. Arthur 

 Thomson. 



THE BIOLOGY OF BIRDS. By Professor 

 J. Arthur Thomson, M.A., LL.D. 



THE BIOLOGY OF FLOWERING PLANTS. 

 By Macgregor Skene, D.Sc. 



THE BIOLOGY OF FISHES. By Harry 

 M. Kyle, M.A., D.Sc. 



/;/ Preparation. 

 THE BIOLOGY OF MAMMALS. By James 

 Ritchie, M.A., D.Sc. 



THE BIOLOGY OF SPIDERS. By Theodore 

 H. Savory. 



