THE CAMBRIDGE NATURAL HISTORY 



EDITED BY 



S. F. HABMBE, Sc.D., F.B.S. and A. E. SHIPLEY, M.A., F.K.S. 



In Ten Volumes. Fully Illustrated. Medium 8vo. 17s. net each. 



PROTOZOA, OOELENTERATES, ECHINODERMS, etc. 



VOLUME I. 



Protozoa, by MARCUS HARTOG, M.A., D.Sc. ; Porifera (Sponges), by 

 IGERNA B. J. SOLLAS, B.Sc. ; Coelenterata and Ctenophora, by 

 S. J. HICKSON, M.A., F.R.S. ; Echinodermata, by E. W. MACBRIDE, 

 M.A., F.K.S. 



NA TUBE. " Taken in conjunction with the earlier published volumes, the 

 work seems to fulfil the purpose of providing an intelligible and adequate survey of 

 the entire animal kingdom without giving undue prominence to particular groups. 

 . . . The illustrations are excellent. " 



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." 



OUTLOOK. "There is much valuable matter in these well-planned sections 

 which will render the volume, like the others which have preceded it, a necessary 

 book of reference in every well-equipped library." 



WORMS, ROTIFERS, AND POLYZOA 



VOLUME 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.RS. ; 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 Phoronis, 

 by A. E. SHIPLEY, M.A., F.E.S. ; Polyzoa, by S. F. HARMER, Sc.D., 

 F.RS. 



CAMBRIDGE REVIEW. " Several of the groups treated of in this volume are 

 unknown, by sight even, to the general reader, and possess no popular name what- 

 soever ; and as only a few insignificant details are known of the habits of the 

 animals composing them, their treatment in the volume before us has necessarily 

 been to a large extent anatomical. This circumstance renders the book of especial 

 value to students, more particularly as in some cases the articles on the groups in 

 question are the first comprehensive ones dealing with their respective subjects. . . . 

 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." 



NA TURAL SCIENCE. "This second volume of the Cambridge Natural History 

 is certain to prove a most welcome addition to English Zoological literature. It 

 deals with a series of animal groups, all deeply interesting to the specialist in 

 morphology ; some important from their economic relations to other living things, 

 others in their life-histories rivalling the marvels of fairy-tales. And the style in 

 which they are here treated is also interesting ; history and the early observations 

 of the older writers lend their charm ; accounts of habits and mode of occurrence, 

 of life, in a word, from the cradle to the grave, are given in ample detail, 

 accompanied by full references to modern and current literature. The whole is 

 admirably illustrated." 



