ECLIPIDRILIDiE 



AND THEIR 



ANATOMY. 



A NEW FAMILY OF THE LIMICOLIDE OLIGOCHJ^TA. 



BY 



'l I i R A R Vl ä?| 



GUSTAF EISEN. 



WITH TWO PLATES. 



^' 



(Pkksenteü to the Royal Society of Sciences in Upsala, tue 4 Mabcu 1881). 



UPSALA. 



PRINTED BY EDV. BERLING. 



1881. 



