xii BEACHIOPODA 417 



Conklin. The Embryology of a Brachiopod (Terebratulina septentrionalis). Proc. 

 Amer. Phil. Soc., vol. 4, 1902. 



Kowalevsky. On the Development of Brachiopoda. Proc. Imp. Society for in- 

 vestigating Anthropology and Ethnography, vol. 14. (Abstract by Agassiz), Amer. 

 Journ. Sci., 1874. 



Lacaze-Duthiers. Histoire de la Thecidie. Ann. Sc. Nat., series 4, vol. 15, 1861. 



Lankester, E. R. Zoological Articles, "Polyzoa," reprinted from Encycl. Brit., 1890. 



Morse. On the Embryology of Terebratulina. Mem. Boston Soc. of Nat. Hist., 

 vol. 15, 1873. 



Shipley. On the Structure and Development of Argiope. Mitt. Zool. Stat. Neapel, 

 vol. 4, 1883. 



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