1887.] MICROSCOPICAL JOURNAL. 143 
is smooth, and the contractile vesicle is situated far forward. The body of 
G. vernalis is quite soft and flexible, and the endoplasm colorless and finely 
granular. 
Rhabdostyla vernalis, sp. nov. (Figs. 7 and 8). 
Body urceolate, often somewhat gibbous, rather more than twice as long 
as broad, widest centrally, constricted beneath the peristome border ; cuticu- 
lar surface finely striate transversely ; pedicle short, about one-eighth as long 
I 
es 
=| 
Ti 
i 
* Prate VIIJ.—Fresh Water Infusoria. 
as the body; ciliary disc elevated, convex, occasionally developing a central 
and conspicuous nipple-like projection ; ciliary circles two ; peristome border 
slightly everted, not revolute ; vestibulum extending to near the body centre, 
the vestibular cilia prominent; contractile vesicle near the centre of the an- 
terior body-half; nucleus hand-like, curved, located posteriorly ; endoplasm 
* EXPLANATION OF THE FIGURES.—PLATE VIII. 
Fig. 1. Anthophysa stagnatilis. Fig. 8. Reproductive cyst of the same. 
Fig.2 Acolony. Diagram. Fig. 9. Rhabdostyla chzeticola. 
Vig. 3. Hexamita gyrans. Fig. ro. Vorticella similis. 
Fig, 4. Chloromonas pulcherrima., Cuticular orna- Fig. 11. Vorticella vernalis. 
mentation only partially delineated. Fig. 12. Vorticella parasita. 
Fig. 5. Balauitizoon gyrans. Fig. 13. Vorticella conica. 
Fig 6. Gerda vernalis. Fig. 14. Lagenophrys obovata. 
Fig. 7. Rhabdostyla vernalis. 
