PORTER. — Trichonympha. 
PLATE 3. 
Figs. 24-26. Trichonymphe showing conditions which may be preparatory to 
longitudinal division. Compare text. X 520, 
Fig. 27. A parasite supposed by Leidy to be a young stage of Trichonympha. 
x 520. 
Fig. 28. Another similar individual with a peculiar swollen cap. X 520. 
Fig. 29. An individual more highly magnified. x 1100. 
Figs. 30-32. Young heretofore considered as immature Trychonymphe, but which 
I believe to be a distinct species. X 520. 
Fig. 38. Longitudinal section of a Pyrsonympha. 400. 
Fig. 34. A Pyrsonympha containing wood fibre, the flagellum protruding in a 
taillike appendage from the posterior or unattached end. X 400. 
Figs. 35,86. The same kind of parasite as is shown in Figures 80-32. 
Fig. 37. The same kind of parasite as those shown in Figures 30-82, 35, 36, but 
drawn from a living specimen. X 520. 
Fig. 38. The same as Figure 37, but just after death in normal salt solution. 
x 520. 
Fig. 39. The same kind of parasite as that shown in Figure 37. x 520. 
Fig. 40. A Pyrsonympha apparently in the act of engulfing a particle of wood 
fibre. X 400. 
Fig. 41. A Pyrsonympha with a peculiar flagellum. X 520. 
Figs. 42-44, The same kind of parasite as that shown in Figure 39. X 620, 
