| Reference number | L&P/9/170 |
| Level | Item |
| Title | Letter, 'Observations on the sugar ants' from John Castles to Melville |
| Date | 2 May 1790 |
| Description | Subject: Zoology
Published in Philosophial Transactions, as 'Observations on the sugar ants. In a letter from John Castles, Esq. to Lieut. Gen. Melvill, F. R. S'
Read 6 May 1790 |
| Extent | 16p |
| Format | Manuscript |
| Physical description | Ink on paper |
| Digital images | View item on Science in the Making |
| Access status | Open |
| Related material | DOI: 10.1098/rstl.1790.0023 |