Freeman Bibliographical Database
| Identifier: | A5988 |
| Date: | 1870 |
| Concise reference: | Speyer, Adolf. 1870. Zur Genealogie der Schmetterlinge. Entomologische Zeitung (Stettin) 31: 202-223. [Darwin Pamphlet Collection] |
| Identifier: | A5988 |
| Date: | 1870 |
| Concise reference: | Speyer, Adolf. 1870. Zur Genealogie der Schmetterlinge. Entomologische Zeitung (Stettin) 31: 202-223. [Darwin Pamphlet Collection] |