PEEFACE TO THE SECOND EDITION 



Since the publication of the first edition of the Gricndriss, on 

 which the first English edition was founded, two further German 

 editions have appeared, one in 1888 and another in 1893, the 

 latter containing 695 pages as compared with 272 pages in the 

 first edition. The book has, in fact, gi'own beyond the limits of 

 a "Grundriss," and has replaced the original Lehrbuch, no new edition 

 of which has appeared since 1886. 



As it seemed desirable that the second English edition 

 should be brought up to date without greatly exceeding the 

 limits of the first, it has been necessary to use a free hand 

 in abridging and recasting the text. I have therefore, with 

 the author's permission, attempted to prepare a short text- 

 book which, while retaining the original descriptions and 

 arrangement as far as possible, should deal with the more 

 essential and well-ascertained facts of Comparative Anatomy, 

 presenting an approximate equality of treatment as regards its 

 different sections without entering too fully upon doubtful 

 theories or special details in Embryology and Physiology. 



The book has thus been almost entirely rewritten, with the 

 approval of Professor Wiedersheim, who, besides revising the 

 work, has furnished me with much new material. A number 



