| Publication Type: | Journal Article |
| Year of Publication: | 1900 |
| Authors: | S. F. Harmer |
| Journal: | Quarterly Journal of Microscopical Science, new series |
| Volume: | 43 |
| Issue: | 170 |
| Pagination: | 225-297 |
| Date Published: | 1900 |
| URL: | http://jcs.biologists.org/cgi/reprint/s2-43/170/225 |