90 MOLLUSCOIDA. 



4. Fowler, G. H. The Morphology of Rhabdopleura Normani 



Allm. Festschrift fur R. Leuckart. Leipzig, 1892. And 

 Proc. Ro)j. Soc. London. Vol. clxxxviii. 



5. Hatschbe, B. Ueber Entvvicklimg von Sipunculus niidus. 



Arh. Zool. Inst. Wien. Bd. v. 1884. 



6. Hatschek, B. Lehrbuch der Zoologie. Jena, 1888. Part i.,, 



p. 40. 



7. Lang, A. Zum Verstandniss der Organisation von Cephalo- 



discus dodecaloplius M'Int. Jen. Zeitschr. f. Nat. Bd. xxv. 



8. Lankester, E. Ray. Article, Polyzoa in Encyclopaedia 



Britannica. 9th Ed. 1885. Part Ixxiii., p. 429, etc. 



9. Lankester, E. Ray. Rhabdopleura. Quart. Journ. Micro .^ 



Sci. (2). Vol. xxiv. 1884. 

 10. McTntosh, AV. Report on Cephalodiscus dodecaloplius, etc. 



Challenger Reports. Vol. xx, 1887. With an Appendix 



by S. F. Harmer. 

 1 ] . Milne-Edwards, H. Recherches anatomiqiies, physiologiques 



et zoologiques siir les Polypiers de France. 1841-1844. 



12. RouLB, L. Considerations sur I'embranchement des Trocho- 



zoaires. Ann. Sci. Nat. (7). Tom. xi. 1891. 



13. Spengel, J, W. Monographie der Enteropneusten. Fauna. 



und Flora des Golfes von Neapel. Bd. xvii. 



APPENDIX TO LITERATURE. 



I. Masterman, a. T. On the Diplochorda. Quart. Journ. Micro. 



Sci. Vol. xl. 1897. 

 II. Delage, Y., and Herouard, E. Traitc de Zoologie Concrete- 

 Tom, v. 1897. 

 III. Sedgwick, A. Text-book of Zoology. Vol. i. 1898. pp. 542- 

 585. Including a criticism of Masterman's Diplochorda 

 (No. L). 



