No. I.] THE EMBRYOLOGY OF CREPIDULA. 205 



REFERENCES. 



'84 Agassiz and Whitman. On the Development of some Pelagic Fish 



Eggs. Proc. Am. Acad. Arts and Sciences. Vol. 20. 

 '81 Blochmann, F. Ueber die Entwicklung der Neritina fluviatilis. Zeit. 



wiss. Zool. Bd. 36. 

 '83 Blochmann, F. Beitrage zur Kentniss der Gasteropoden. Zeit. wiss. 



Zool. Bd. 38. 

 '77 BoBRETZKY, N. Studien iiber die embryonal Entwicklung der Gastero- 

 poden. Arch, filr mik. Anat. Bd. 13. 

 '76 Brooks, W. K. The Affinity of Mollusca and Molluscoida. Proc. 



Boston Soc. Nat. Hist. Vol. 18. 

 '79 Brooks, W. K. Prehminary Observations on the Development of 



Marine Prosobranchiate Gasteropods. Studies Biol. Lab. Johns 



Hopkins University. Vol. i. 

 '77 BiJTSCHLi, O. Entwicklungsgeschichtliche Beitrage. Zeit. wiss. 



Zool. Bd. 29. 

 '96 Castle, W. E. The Early Development of Ciona intestinalis. Bull. 



Mus. Comp. Zool. Harvard College. Vol. 27. 

 '80 Chun, C. Die Ctenophoren des Golfes von Neapel. Fauna u. Flora 



des Golfes v. Neapel. I. 

 '91 Clapp, Cornelia M. Some Points in the Development of the Toad- 

 fish (Batrachus tau). Journ. of Morph. Vol. 5. 

 '91 Conklin, E. G. Preliminary Note on the Embryology of Crepidula 



fornicata and of Urosalpinx cinerea. Johns Hopkins University 



Circulars. Vol. 10, No. 88. 

 '92 Conklin, E. G. The Cleavage of the Ovum of Crepidula fornicata. 



Zool. Anzeiger. Jahrg. 15, Nr. 391. 

 '94 Crampton, H. E. Reversal of Cleavage in a Sinistral Gasteropod. 



Ann. New York Acad. Sciences. Vol. 8. 

 '96 Crampton, H. E. Experimental Studies on Gasteropod Development. 



Arch, fiir Entwicklungsfnechanik. Bd. 3. 

 '91 Driesch, H. Entwicklungsmechanische Studien, I, II. Zeit. wiss. 



Zool. Bd. 53. 

 '93 Driesch, H. Entwicklungsmechanische Studien, III-VI. Zeit. wiss. 



Zool. Bd. 55. 

 '95 Driesch, H. Neure Beitrage zur exakten Formenkunde in englischer 



Sprache, I. Arch, fiir Entwicklutigsinechanik. Bd. 3. 

 '95 Driesch, H. and Morgan, T. H. Zur Analysis der ersten Ent- 



wicklungsstadien des Ctenophoreneies. Arch, fiir Entwickhings- 



mechanik. Bd. 2. 

 '91 Erlanger, R. v. Zur Entwicklung von Paludina vivipara. Zool. 



Anzeiger. Jahrg. 14, Nr. 357. 



