vi SCIENCE.- ADVERTISEMENTS. 



JUST READY A NEW VOLUME OF 



THE CAMBRIDGE 

 NATURAL HISTORY 



Edited by S. F. Harmer, Sc.D., F.R.S., Fellow of King's College, Cambridge; 

 Superintendent of the University Museum of Zoology ; and A. E. Shipley, 

 M.A., F.R.S. , Fellow of Christ's College, Cambridge; University Lecturer on 

 the Morphology of Invertebrates. 



COMPLETE IN TEN VOLUMES, Medium 8vo 



" There are very many, not only among educated people who take an interest in science, 

 but even among specialists, who will welcome a work of reasonable compass and handy 

 form containing a trustworthy treatment of the various departments of Natural History 

 by men who are familiar with, and competent to deal with, the latest results of scientific 

 research. Altogether, the Cambridge Natural History promises to fulfil all the expecta- 

 tions that its prospectus holds out." — The Times, London. 



VOLUMES NOW RBADY 



Vol. II. Flatworms and Mesozoa, by F. W. Gajible, M.Sc, Nemertines, by Miss L. 



Sheldon; Threadworms and Sagitta, by A. E. Shipley, M. A. ; Rotifers, by 

 M. Hartog, M.A. ; Polychaet Worms, by W. B. Benham, D.Sc. ; Earthworms 

 and Leeches, by F. E. Beddard, M.A. ; Qephyrea and Phoronis, by A. E. Ship- 

 ley, M.A. ; and Polyzoa, by S. F. Harmer, M.A. ^3 SO net. 



Vol. III. Molluscs and Brachiopods, by Rev. A. H. Cooke, A.' E. Shipley, M.A., and 



F. R. C. Reed, M.A. p. 25 net. 



Vol. V. Peripatus, Myriapods, Insects. Part I. By A. Sedgwick, M.A., F. G. Sin- 

 clair, M.A., and D. Sharp, M.A. f 4-00 net. 



Vol. VI. Insects, Part II. By D. Sharp, F.R.S. p. 50 net. 



Vol. VII. Fishes, Ascidians, etc. Jmt r(ady. 



Hemichordata, by S. F. Harmer, Sc.D., F.R.S., Fellow of King's College, Cam- 

 bridge , Ascidians and Amphioxus, by W. A. Herdman, D.Sc. (Edinb.), F.R.S., 

 Professor of Natural History in the University of Liverpool; Fishes (Exclusive 

 of the Systematic Account of Teleostei), by T. W. Bridge, Sc.D., F.R.S., Trinity 

 College, Cambridge ; Mason Professor of Zoology and Comparative Anatomy in the 

 University of Birmingham; Fishes (Systematic Account of Teleostei), by G. A. 

 Bodlenger, F.R.S., of the British Museum (Natural History). net. 



VoL VIII. Amphibia and Reptiles. By H. Gadow, M.A. , F.R.S. ^. 00 net. 



Vol. IX. Birds. By A. H. Evans, M.A. ^3.50 net. 



Vol. X. Mammalia. By F. E. Beddard, M.A. , (Oxon), F.R.S. (Prosector to the Zoo- 

 logical Society). ^ §4.00 net. 



IN PRMPARATION 



Vol. 1. Protozoa, by Marcus Hartzog, M.A. ; Sponges, by W. J. Sollas, Sc.D. ; 



Jelly-Fish, Sea-Anemones, Etc., by S. J. Hickson, M.A. ; Star-Fish, Sea- 

 Urchins, Etc., by E. W. MaoBbide, M.A. 



Vol. IV. Spiders, Mites, Etc., by C. Waubuuton, M.A.; Scorpions, Trilobites, Etc. 



by .M. Lauiuk, B.A. ; Pycnogonids, Etc., by D'Arcy W. Thompson, C.B. ; 

 Crustacea, by W. F. K. Wkluon, M.A., F.R.S. 



PUBLISHED ji^g MACMILLAN COMPANY '''/e'w Iork" 



