# Philosophical Transactions of the Royal Society A, Vol. 184

> Volume 184, 31 December 1893

**Wikidata**: [Q124988472](https://www.wikidata.org/wiki/Q124988472)  
**Source**: https://4ort.xyz/entity/philosophical-transactions-of-the-royal-society-a-vol-184


## References

1. Biodiversity Heritage Library