Review of Nematode Genera Syngamus and Cyathostoma 
Plate 2 
8. Syngamus trachea (Mont.) Arrangement of 
teeth in eight-toothed (normal) form. 
9. Idem. Front view of head. 
10. Ibidem. Arrangement of teeth in nine¬ 
toothed form. 
11. Syngamus kingi Leiper. Side view of ante¬ 
rior end of male. (After Leiper.) 
12. Syngamus laryngeus Raill. Side view of 
anterior end of male. 
13. Idem. Side view of tail of female. 
14. Syngamus kingi Leiper. Side view of anterior 
end of female. (After Leiper.) 
15. Syngamus parvus n. sp. Spicules. 
16. Syngamus laryngeus Raill. Spicules. 
17. Syngamus kingi Leiper. Side view of tail 
of female. (After Leiper.) 
18. Syngamus trachea (Mont-.). Spicules. 
19. Syngamus parvus n. sp. Dorsal portion of 
bursa of male. 
20. Syngamus trachea (Mont.). Arrangement of 
rays in bursa of male 
