| XLIII.—Remarks on the Generic Distribution of the British Hydromyzidæ (Diptera) A H Haliday (1839) Annals And Magazine of Natural History 3: 401-411 | |
| XLIV.—Further Remarks on the Morphology of the Ascidia of Plants (1839) Annals And Magazine of Natural History 3: 411-415 |