m 



ZOOLOGt. 



female is white and from eight to ten millimetres in length; 

 the male is only two or three millimetres long. 



The largest known round wo)'m is the palisade worm, or 

 Eustronfiylus gigas Eudolphi, the female of which is a 



Fig. 114.— Ox- 

 yui^ ■oei'vncvla- 

 iis. a, male, nar- 

 nral size ; 6, the 

 puiiie cnliirged. — 

 After Beneden. 



Fie:. 115. — Osnfitris 

 vfmiicidaru. a, fe- 

 male, nutni-al size ; b, 

 the same enlar[i;e(l. — 

 After Beneden. 



Fig. U6. — Tiic!iocephal-ii$clis- 

 par. rt, male, natural eize ; 6. 

 enlarged ; c, female, natural 

 eize.— After Beneden. 



metre (about 30 incites) in length, and the size of a quill ; 

 the male is one third as long. It is rare in man, and occurs 

 especially in the intestines, and sometimes the kidneys of 

 such mammals as live on fish. The mouth is surrounded 



