46 KEY FOR DIAGNOSIS OF HUMAN HELMINTHS 



PLATE VI 



Fig. 1.' Larval stage of Filaria ozzardi (F. demarquayi). After 

 Fulleborn. 



Fig. 2. Larval stage of Loa loa (Microfilaria diurna). After 

 Fulleborn. 



Fig. 3. Larval stage of Filaria bancrofti (Microfilaria nocturna). 

 After Fulleborn. 



Fig. 4. Larval stage of Acanthocheilonema perstans (Microfilaria 

 Persians'). After Fulleborn. 



Fig. 5. Adult parasitic female of Strongyloides stercoralis. After 

 Looss. 



Fig. 6 and Fig. 7. Adults, male and female, of the free living gen- 

 eration of Strongyloides stercoralis. Afcber Looss. 



Fig. 8. Rhabditif orm larva of Strongyloides stercoralis j ust hatched 

 from the egg. After Looss. 



Fig. 9. Filariform infective larva of Strongyloides stercoralis. 

 After Looss. 



Fig. 10. Rhabditiform larva of Ancylostoma duodenale just 

 hatched from the egg. After Looss. 



Fig. 11. Filariform infective larva of Ancylostoma duodenale. 

 After Looss. 



