58 



E.NTOZOA OF UAI S ANb MHK. 



Heligmosomnm hntzilicn-st. 

 Fig. 1. male ; 2. female ; 3. head of male ; 4. buisa (ventral view) ; 5. 

 bursa (side v'ew) ; 6. spicules (terminal jjortion) ; 7. posterior end of female ; 

 8. ditto. Figs. 1 and 2 are drawn 1o one scale ; figs. .3 to 8 are drawn to 

 one scale. 



References to lettering : — a anus ; db edge of the dorsal lobe of the 

 bursa ; ed externo-dorsal ray ; el externo-lateral ray; (ja genito-anal aperture; 

 int intestine ; lib lateral lobe of bursa ; Iv latero-ventral ray ; ml medio- 

 lateral ray ; oes oesophagus ; ov ovary ; ovj 1, ovj 2 anterior and posterior 

 parts of the ovijector ; pi pustero-lateral ray ; r rectum ; sp spicules ; td 

 terminal dor>al ray ; nl litems ; ;■ vulva ; lu vagina ; it vent ro- ventral ray. 



