416 ARTHUR T. MASTERMAN. 



References. 



1. Benham, W. B.— 'Quart, Journ. Micr. Sci.,' July, 1889. 

 la. Bateson, W.— 'Quart. Journ. Micr. Sci.,' vol. xxiv, 1884. 



2. Caldwell, W. H. — 'Proc. Royal Soc.,' Loudon, xxxiv, 1882-3. 



3. Caldwell, W. H.— 'Quart. Journ. Micr. Sci.,' vol. xxv, 1885. 



4. CoKi, I. — "Inaugural Dissertation," Prague, 1889. 



5. Com, C. J.— 'Zeitschrift wiss. Zool.,' Bd. li, 1891. 



6. Dyster, F. D. — 'Trans. Linn. Soc.,' London, vol. xxii. 



7. PcETTiNGEii, A. — ' Arch, de Biol.,' torn, iii, 1882. 



8. Kowalevski, a. — 'Mem. Acad. Imper.,' St. Petersburg, t. x. 



9. KowALEVSKi, A. — " Inaug. Dissertation," St. Petersburg, 1867. 

 9a. Lankester, E. B.— "Polyzoa," 'Encyclopaedia Brit.,' 1885. 



10. Masterman, a. T.— 'Quart. Journ. Micr. Sci.,' vol. xl, 1897. 

 10a. Masterman, A. T. — ' Proc. Boyal Soc.,' Edinb., June, 1898. 

 10b. Masterman, A. T.— 'Report Brit. Assoc.,' 1898. 



11. McIntosh, W. C— " Challenger Reports," vol. Ixxv, 1888. 



12. McIntosh, W. C.—" Challenger Reports," vol. xxviii, 1888. 



13. Metsciinikoff, E. — ' Zeitsch. f. wiss. Zool.,' Bd. xxi, 1871. 



14. Metsciinikoff, E. — ' Zeitsch. f. wiss. Zool.,' Bd. xxxvii, 1882. 

 14a. Morgan, T. H.—' Journ. of Morph.,' v, 1891. 



15. RouLE, L. — 'Couiptes Rendus Ac. Sci.,' Paris, toni. ex, 1890. 

 15a. Rodle, L. — ' Comptes Rendus Ac. Sci.,' Paris, Oct., 1898. 



16. ScHULTZE, E.— 'Imp. Soc. Nat.,' St. Petersburg, vol. xxviii, pt. 1. 



