TEXT BOOK 



'< ls-3 





OF THE 



EMBRYOLOGY OF INVERTEBRATES 



BY 



Dr. E. KOESCHELT, 



Dr. K. HEIDER, 



PROFESSOR OF ZOOLOGY AND COMPARATIVE PROFESSOR OF ZOOLOGY IN THE UNIVERSITY 



ANATOMY IN THE UNIVERSITY 

 OF MARBURG. 



OF BERLIN. 



TRANSLATED FROM THE GERMAN 



BY 



MATILDA BEENAED. 



REVISED AND EDITED WITH ADDITIONAL NOTES 



BY 



MAETIN F. WOODWARD, 



DEMONSTRATOR OF ZOOLOGY, ROYAL COLLEGE OF SCIENCE, LONDON. 



Vol. III. 



ARACHN1DA, PENTASTOMIDAE, PANTOPODA, TARDIGRADA, 

 ONYCHOPHORA, MYRIOPODA, INSECTA. 



LONDON: 



SWAN SONNENSCHEIN AND CO., Ltd. 



NEW YORK: THE MACMILLAN CO. 



1899. 



