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 8vo. 
17s. net each. 
PTELD,—* The Cambridge Natural History series of volumes is one of 
very great value to all students of biological science. The books are not 
intended for popular reading, but for utilisation by those who are desirous 
of making themselves thoroughly acquainted with the branches of zoology of 
which they treat.” 
VOLUME I. 
Protozoa, by Marcus Harroe, M.A., D.Sc. ; Porifera (Sponges), by IcrerNa 
B, J. Sottas, B.Sc. ; Coelenterata and Ctenophora, by S. J. Hickson, 
M.A., F.R.S.; Echinodermata, by E. W. MacBring, M.A., F.R.S. 
FIELD,—“ 'The book can be in the strongest manner recommended to those for 
whose benefit it has been written. We know of no work from which a more truly 
scientific account of the Protozoa, Echinodermata, and other lower forms of animal 
life could be gained.”’ 
VOLUME Il. 
Flatworms and Mesozoa, by F. W. Game.n, D.Sc. ; Nemertines, by Miss 
L. SHeLpon; Threadworms and Sagitta, by A. E. Suipiey, M.A, 
F.R.S. ; Rotifers, by Marcus Harroe, M.A., D.Sc. ; Polychaet Worms, 
by W. Braxntanpd Bennam, D.Sc, M.A.; Earthworms and Leeches, 
by F. E, Bepparp, M.A,, F.R.S.; Gephyrea and Phoronis, by A. E. 
Surerey, M.A., F.R.S.; Polyzoa, by S. F. Harmer, Sc.D., F.R.S. 
CAMBRIDGE REVIEW.—<‘ Most of the articles are of a very high order of 
merit—taken as a whole, it may be said that they are by far the best which have 
as yet been published. . . . We may say with confidence that the same amount of 
information, within the same compass, is to be had in no other zoological work.” 
VOLUME III. 
Molluscs, by the Rev. A. H. Cooxr, M.A.; Brachiopods (Recent), by A. E. 
Surepey, M.A., F.R.S.; Brachiopods (Fossil), by F. R. C. Rerp, M.A. 
TIMES.—‘ 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 depart- 
ments of Natural History by men who are familiar with, and competent to deal with, 
the latest results of scientific research. Altogether, to judge from this first volume, 
the Cambridge Natural History promises to fulfil all the expectations that its 
prospectus holds out.” 
VOLUME IV. 
Crustacea, by Grorrrry W. Smiru, M.A,, and the late W. F. R. Wexpon, 
M.A.; Trilobites, by Hrnry Woops, M.A.; Introduction to 
Arachnida, and King-Crabs, by A. E. Surpnry, M.A, ERS.: 
Eurypterida, by Henry Woops, M.A.; Scorpions, Spiders, Mites, 
Ticks, etc., by Cucm Warsurron, M.A. ; Tardigrada (Water-Bears), 
by A. E. Sarprey, M.A., F.RS.; Pentastomida, by A. E. Surprey, M.A., 
F.R.S.; Pycnogonida, by D’Arcy W. THompson, C.B., M.A. 
