324 INTRODUCTION. 



Those from the hypoblast are the alimentary tract and its 

 derivates; with which the stomodaeum and proctodseum and their 

 respective derivates are also dealt with. 



BIBLIOGRAPHY. 



General works dealing with the development of the organs of the 



Chordata. 



(291) K. E. von Baer. Ueber Entu-icklungxjtexchiehte d. Thiere. Konigsberg, 

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



London, 1878. 



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

 Leipzig, 1842. 



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

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

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



(297) W. His. Untersiich. ill. d. erste Anlaije d. Wirbelthierleibes. Leipzig, 

 1868. 



(298) A. Kolliker. Erttwidelungsffeschichte d. Menschen u. der h'dheren Thiere. 

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(299) H. Rathke. Abhandlungen it. Bildung und Entwicklungsgeschichte d. Men- 

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(300) H. Kathke. Entwieklungs. d. Natter. Konigsberg, 1839. 



(301) H. Batbke. Entwieklungs. d. Wirbelthiere. Leipzig, 1861. 



(302) E. Bemak. Vntersuchungen iib. d. Enticicklunfj d. Wirbelthiere. Berlin, 

 1850-1855. 



(303) S. L. Schenk. Lehrbuch d. rergleich. Embryoloyie d. Wirbelthiere. Wien, 

 1874. 



