636 



LABORATORY HINTS 



a, Ascaris hunbricoiJes ; b, Trichocephalus dispar ; c, Oxyuris vermiciilaris ; t', c'^, 

 Ankylostomum diiodenale ; d, oncosphere of Cestode ; e,f,g, xarious Fasa'o/idir ; /i, Schis- 

 tosomum (?) hainatobiiiin (from faeces) ; ?, Schistosovmm haviatobium (from urine). 



