44 GILBERT C. BOUKNE. 



List of the Principal Papers referred to in the Text. 



1. Bourne, G. C. — " Contrilnitions to the Morphology of the Neri- 



taiui," • Pi-oc. Zool. Soc. Lond.,' 1908. 



2. Boutan, L. — " Recherches sur la Fissurelle," ' Arch, de Zool. Exper. 



et gen.,' (2), iii bis, 1885. 



3. Bouvier, E. L. — " Systeme nerveux, morphologie genorale et 



classification des Gasteropodes Prosobranches," ' Ann. des Sci, 

 Nat. (Zool.),' (7), iii, 1887. 



4. and Fischer, H. — " Etude monographique des Pleurotomaires 



actuels," ' Arch, de Zool. Exper. et gen.,' (3), vi, 1898. 



5. Fischer, H.— ' Manuel de Conchyliologie,' Paris, 1887. 



6. Fleure, H. J., and Gettings, M. M. — " Notes on Common Species of 



Trochus." ' Quart. Jouni. Micr. Sci.,' 51, 1907. 



7. Haller, B. — "Beitrage zur Kenntniss der Niere der Prosobranchier," 



' Morph. Jahrb.,' xi, 1886. 



8. Hedley, C. — " Additions to the Marine Molluscan Fauna of New 



Zealand," ' Records of the Australian Museum," v. 1904. 

 0. Lankester, E. R. — " On the Use of the term Homology in Modem 

 Zoology, and the distinction between Homogenetic and Homo- 

 plastic Agreements," ' Ann. Mag. Nat. Hist.' (4), vi, 1870, p. 34. 



10. Osboni, H. F. — "Homoplasy as a Law of Latent or Potential 



Homology," ' American Natm-alist,' xxxvi, 1902. p. 259. 



11. Pelseneer, P. — '• Les reins, les glandes genitales et lem'S conduits 



dans les Mollusques," ' Zool. Anzeiger,' xix, 1896. 



12. '• Recliei'ches moi-phologiques et phylogenetiques sur les 



Mollusques Archaiques," ' Mem. couronnes de I'Acad. Roy. de 

 Belgique.' Ivii, 1898-99. 



13. " The Molhisca.'" Lankester's ' Treatise on Zoology,' pai-t v, 



Loudon, 1906. 



14. Perrier, R. — " Recherches sur I'anatomie et I'liistologie du rein des 



Gasteropodes Prosobranches," "Ann. des Sci. Nat. (Zool.),' (7), 

 viii, 1889. 



15. Randies, W. B. — " Obsei*vations on the Anatomy and AJBuities of 



the Trochida?." ' Quart. Journ. Micr. Sci.." 48. 1904. 



16. Smith, E. A. — '• A Description of some Shells from New Zealand," 



• Proc. Malacol. Soc," i. 1894. 



17. Thiele, J., in TroscheFs * Gebiss der Scknecken,' vol. ii. Berlin, 1891. 



18. Vayssiere, A. — ''Etude zoologique de la Scissurella costata, 



var. laevigata,'" ' Joum. de Conchyliologie,' (3), xxxiv, 1894. 



