SOME RECENT MEMOIRS UPON OLIGOCH^ETA. 201 



municates with a pear-shaped nucleated body outside. If 

 these observations prove ultimately to be correct it is clear 

 that there is a close resemblance in this particular between 

 the Oligochseta and the Nematoidea. 



BIBLIOGRAPHY. 



Beddard. A Monograph of the Order Oligochseta, Oxford : 



Clarendon Press. 

 ElSEN. Pacific Coast Oligochaeta. Mem. Calif. Acad. Set., vol. ii., 



1895-96. 

 Hesse. Beitrage zur Kenntniss des Baues der Enchytraeiden. 



Zcitschr. fur iviss Zoo/., 1893. 

 HESSE. Zur vergleichenden Anatomie der Oligochaeten. Ibid., 



1894. 

 MlCHAELSEN. Zur Kenntniss der Oligochaeten. Abh. Nat. Ver., 



Hamburg, 1895. 

 H. F. MOORE. On the Structure of Bimastos palustris. Journ. 



Morph., 1895. 

 J. P. MOORE. The Anatomy of Bdellodrilus illuminatus. Ibid. 

 ROSA. Allolobophora dugesii. Boll. Mus. Zooi, Torino, 1895. 

 BOURNE. In Quart. Journ. Micr. Sci., 1894. 

 SMITH. Notes on Species of North American Oligochaeta. Bull. 



Illinois State Lab. 



F. E. Beddard. 



