392 INTRODUCTION. 



the epiblast are (i) the skin; (2) the nervous system; (3) the 

 organs of special sense. 



Those from the mesoblast are (i) the general connective 

 tissue and skeleton ; (2) the vascular system and body cavity ; 

 (3) the muscular system ; (4) the urinogenital system. 



Those from the hypoblast are the alimentary tract and its 

 derivates ; with which the stomodaeum and proctodaeum and 

 their respective derivates are also dealt with. 



BIBLIOGRAPHY. 



General works dealing ivith tJie development of the organs of t/ic 



CJiordata. 



(291) K. E. von Baer. Ucber Entwicklungsgeschichte d. Thicrc. Konigsberg, 

 18281837. 



(292) F. M. Balfour. A Monograph on the development of Elasmobranch Fishes. 

 London, 1878. 



(293) Th. C. W. Bischoff. Entwicklungsgesch. d. Sdugethiere u. d. Menschen. 

 Leipzig, 1842. 



(294) C. Gegenbaur. Gnindriss d. vergleichenden Anatomic. Leipzig, 1878. 

 Vide also English translation, Elements of Coinp. Anatomy. London, 1878. 



(295) M. Foster and F. M. Balfour. The Elements of Embryology. Part I. 

 London, 1874. 



(296) Alex. Gotte. Entwicklungsgeschichte d. Unke. Leipzig, 1875. 



(297) \V. His. Untersiich. iib. d. crste Anlage d. IVirbelthiciieibcs. Leipzig, 

 1868. 



(298) A. Kolliker. Entwicklungsgeschichte d. Menschen u. der hoheren Thicrc. 

 Leipzig, 1879. 



(299) H. Rathke. Abhandlungen it. Bildung mid Entwicklungsgeschichte d. 

 Menschen u. d. Thicrc. Leipzig, 1838. 



(300) H. Rathke. Entwicklungs. d. Natter. Konigsberg, 1839. 



(301) H. Rathke. Entwkklungs. d. IVirbelthiere. Leipzig, 1861. 



(302) R. Remak. Unlersuchimgen iib. d . Entivicklung d. IVirbeltJiierc. Berlin, 

 1850 1855. 



(303) S. L. Schenk. Lchrbuch d. vergleich. Embryologie d. Wirbelthicrc. 

 Wien, 1874. 



