NEPHRIDIA OF CERTAIN EARTHWORMS. 409 



List of Memoirs referred to. 



(1) Beddard, F. E. — " Preliminary Note on the Nephridia of a New Species 



of Earthworm," ' Proc. Roy. Soc.,' 1S55, and of 'Ann. Sci. Nat.,' 1885. 



(2) Beddakd, F.E. — " Preliminary Note on the Nephridia of Perichaeta," 



'Proc. Roy. Soc.,' 1888. 



(3) Bexham, W. B. — " Studies in Earthworms," ' Quart. Journ. After. Sci.,' 



1886 and 1887. 

 (1) Bergh, R. S. — " Die Exkretions Organe der Wiirmer," ' Kosmos,' 1885. 



(5) Bourse, A. G.— " Contributions to the Anatomy of the Hirudinea," 



'Quart. Journ. Micr. Sci.,' 1884. 



(6) Cunningham, J. T. — "On the Nephridia of Lanice conchilega," 



'Nature,' June 16th, 1887. 



(7) Eisig, PL— " Die Segmental Organe der Capitelliden," ' Mitth. a. d. Zool. 



Stat. Neapel,' 1879. 



(8) Fischer, W— "Ueber Cap it ella capitata," ' Zool. Anz.,' 1883. 



(9) Fraifont, J. — "Polygordius," ' Naples Monographs,' 1887. 



(10) Haddox, A. C. — " Suggestion respecting the Epiblastic Origin of the 



Segmental Duct," ' Proc. Roy. Dublin Soc.,' 1887. 

 (10 a) Hartog, M. — " The True Nature of the Madriporia System of Echino- 

 dermata, with Remarks on Nephridia," 'Ann. and Mag. Nat. Hist.,» 

 Nov., 1887. 



(11) Lang, A.— " Die Polycladen," ' Naples Monograph,' 18S4. 



(12) Perkier, E. — "fitudes sur un genre nouveau des Lombriciens," 'Arch. 



Zool. Exp.,' 1873. 



(13) Vejdotsky, F. — ' System und Morphologie der Oligochaeten,' Prag., 



1884. 



(14) Weldon, W. F. R. — "On Dinophilus gigas," ' Quart Journ. Micr. 



Sci.,' 1SS6. 



(15) Whitman", C. 0.—" A Contribution to the History of the Germ Layers 



in Clepsine," ' Journ. Morph.,' 1887. 



(16) Wilson, E. B.— " The Germ Bands of Lumbricus," ' Journ. Morph.,' 



1887. 



