JOURNAL OF MICROSCOPICAL SCIENCE. 



DESCRIPTION OF PLATE VI, 



Illustrating Professor Biitsclili's '^ Researches on Flagellate 

 Infusoria and Allied Organisms.^^ 



Throughout the figures, « indicates nucleus, v contractile vacuole, and 

 <g oesophagus. 



Fig. 1. — Sptmella termo (Ehrb.), Clark. 



a to c, an individual in different stages of the ingestion of 

 food. 

 Fig. 2. — Spumella termo, in five successive stages of transverse division. 

 Fig. 3. — Spumella truncata, Fresenius. 

 Fig. 4. — ChromuUna ochracea, Ehrb. 



a, b, two individuals seen from the flat side, the flagellum not 



plainly observed and therefore not drawn, 

 c, an individual seen from the narrow side. 

 Fig. 5. — Flagellate-like organism from the alimentary canal of a h&t- 

 living nematoid (rn7o/5iM5/)e//KCifi?«5, Bast.). , . 



a, a large number of individuals sticking together by their 

 hinder ends. 



b, a single individual. 



Fig. 6. — Antophysa vegetans, O. F. Miiller, 



a, terminal branch of the stem with a colony. 



b, an individual in the act of division. 



Fig. 7. — Codosiga botrylis (Ehrb.), Fresenius. 



a, a colony. 



b, a single individual. 



c, a single iiidividual with its collar expanded. 



d, the same with its collar contracted. 



e, an individual externally beset with Bacteria. 

 Fig. 8. — Salpingoeca gracilis, Clark (?). 



Fig. 9. — Salpingoeca amphoridium, Clark (?). 

 Fig. 10. — Salpingoeca Clarkii, n. sp. 

 Fig. 11. — Salpingceca-like organism (see p. 75). 

 Fig. 12. — Bicososca lacustris, Clark (?). 



a, a colony. 



b, two cups, of which only the upper contains au animal, and 

 that in a retracted state. 



c, an individual. 



d, the same turned half round. 

 Fig. 13. — Binohryon sertularia, Ehrb. 



a, a colony. 



b, a cup containing two animals resulting from division, of 

 which the anterior will immediately secrete a new cup. 



c, a cyst. 



