THE CAMBRIDGE 

 NATURAL HISTORY 



Edited by 

 S. F. HARMER, Sc.D., F.R.S., 



AND 



A. E. SHIPLEY, M.A., F.R.S. 



In Ten Volumes. Fully Illustrated. Medium %vo. 2\s. net each. 



Library Edition. In Ten Volumes. Half Morocco. Gilt Tops, 

 In sets only^ Mediutn iv,o. £10 : los. ne'. 



Vol. I. Protozoa, by Marcus Hartog, M.A., D.Sc, ; 

 Porifera (Sponges), by Igerna B. J. SoUas, B.Sc. ; 

 Coelenterata and. Cterjophora, by S. J. Hickson, M.A., 

 F.R:S. ; Echinodermata, by E. W. MacBride, M.A., 

 F.R.S. 



Vol. II. Flatworms and Mesozoa, by F". W. Gamble, 

 D.Sc. ;, Nemertines, by Miss L. Sheldon ; Threadworms 

 and Sagitta, by A. E. Shipley, M.A., F.R.S.; Rotifers, 

 by Marcus Hartog, M.A., D.Sc. ; Polychaet' Worms, by 

 W. Blaxland Benham, D.Sc, M.A. ; Earthworms and 

 Leeches, by F. E. Beddard, M.A., F.R.S. ; Gephyrea 

 and Phoronjs, by A. E. Shipley, M.A., F.R.S. ; Polyzoa, 

 by S. F. Harmer, Sc.D., F.R.S. 



Vol. III. Molluscs, by the Rev. A. H. Cooke, M.A. ; 

 Brachiopods (Recent), by A. E. Shipley, M.A.,. F.R.S. ; 

 Brachiopods (Fossil), by F. R. C. Reed, M.A. 



LONDON: MACMILLAN AND CO., Ltd. 



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