Ascidiacea 571 



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Roy. Soc. B.2i8:37. 



2. — ■ 1931. Studies in tunicate development. Pt. 2. Phil. Ibid. 6.219:281. 



3. — ■ ■ 1932. Ascidians of the Bermudas. Biol. Bull. 62:77. 



4. 1933- Mosaic development in ascidians. Ibid. 63:381. 



5. 1935- Studies in tunicate development. Pt. 3. Phil. vs. Trans. Roy. 



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ADDENDA 



Additions to the Bibliography on Page 224 



Gibbons, S. G. 1933. A study of the biology of Calanus finmarchicus in the 



north-western North Sea. Fish. Board Scotland. Sci. Invest. No. 1, 



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 Harvey, H. W., Cooper, L. H. N., Lebour, M. V., and Russell, F. S. 1935. 



Plankton production and its control. /. Mar. Biol. Assoc. 20:407. 

 Lowndes, A. G. 1935. The swimming and feeding of certain calanoid copepods. 



Proc. Zool. Soc. London, Pt. 3, p. 687. 



