332 LITERATURE. 



LITERATURE. 



1. Brooks, W. K. The development of the digestive tract in 



Molluscs. Proc. Boston Soc Nat. Hist. Vol. xx. 1880. 



2. Brooks, W. K. The acquisition and loss of food-yolk id 



Molluscan eggs. Stud. Biol. Lab. Johns ffopk. Univ. No. 4. 

 1880. (This and the preceding work were inaccessible to us.) 



3. Giard, A. On the relationship of the Annelida and Mollusca. 



Ann. Mag. Nat. Hist. (6). Vol. v. 1890. 



4. Graff, L. von. Enantia spinifera, der Reprasentant einer 



neuer. Polycladen-Familie. Mittheil. Naturw. Vereins Steier- 

 niark. Graz, 1889. 



5. Hatschek, B. 1. Studien uber die Entwicklungsgeschichte der 



Anneliden. Arb. Zool. Inst. Wien. Bd. i. and ii. 1878. 

 Lehrbuch der Zoologie. Jena, 1888-91. 



6. Jhering, H. von. Das Nervensy stern und die Phylogenie der 



Mollusken. Leipzig, 1878. 



7. Jhering H. von. Sur les relations naturelles des Cochlides et 



des Ichnopodes. Bull. Sci. France et Belgique (A. Giard). 

 Tom. xxiii. Paris, 1891. 



8. Lankester, E. Ray. Contributions to the developmental 



history of the Mollusca. Phil. Trans. London, 1875. 



9. Lankester, E. Ray. Contributions to the developmental 



history of the Mollusca. Phil. Trans. London, 1875. 



10. Lankester, E. Ray. Notes on the Embryology and Classifica- 



tion of the Animal Kingdom, etc. Quart. Journ. Micro. Sci. 

 Vol. xvii. 1877. 



11. Lankester, E. Ray. Mollusca in Encyclopaedia Britannica. 



Ninth Edition. Vol. xvi. 1883. 



12. Lang, A. Die Polycladen des Golfes von Neapel. Leipzig, 



1884, 

 L3. Lang, A. Untersuchungen zur vgl. Anatomie und Histologie 

 des Nervensystems der Plathelminthen. iv. Tricladen. 

 Mittheil. Zool. Stat. Neapel. Bd. iii. 1882. 



14. Pelseneer, P. Sur l'epipodium des Mollusques. Bull. Sci. 



France et Belg. (A. Giard). Tom. xix., xxii., xxiii. 1888-1891. 



15. Pelseneer, P. La classification generate des Mollusques. 



Bull. Sci. France et Belgique (A. Giard). Tom. xxiv. Paris, 

 1892. 



