Flora and Fauna
- 1883
- Volvox: One of the Seven Wonders of the Micro World
- Article, with excellent photographs, about this green alga that lives as a spherical colony in which the individual organisms coordinate their activities.
- 1886
- A Biotest Approach Using Slime Molds
- A computer aided method of investigating the cytoplasmic shuttle streaming of the myxomycete Physarum polycephalum and to determine how environmental impacts irritate the shuttle streaming.
- 1895
- Fuligo septica
- Article by Tom Volk on the Dog Vomit Slime Mold, with information and photographs of other slime molds.
- 1896
- Hemitrichia serpula
- Photographic study by Tom Volk of the pretzel slime mold, with information about other slime molds.