ILLUSTRATIONS 



Plate 1. Eggs and Larvae of Oxyuris Equi 

 Fig. 1. Uterine egg. 

 Figs. 2 and 3. Normally oviposited eggs, shortly after their discharge 



Figs. 4 to 7. Stages in development of eggs. 

 Figs. 8 to 10. Embryonated eggs. 

 Fig. 11. Larva emerging from eggshell. 

 Figs. 12 and 13. Larva? hatched in vitro. 



1. Agglutinated eggs of Oxyuris equi. Free-hand sketch from cover- 



glass preparation. 



2. Oxyuris equi; a, short-tailed female, curvula type; b, long-tailed 

 female, mastigoides type. Natural size. 



