| RefNo | HS/18/106 | 
| Level | Item | 
| Title | Letter, from George Robert Waterhouse to Sir John Herschel, dated at British Museum | 
| Creator | Waterhouse; George Robert (1810-1888); naturalist; curator of the Zoological Society of London Museum | 
| Recipient | John Frederick William Herschel | 
| Date | 30 March 1869 | 
| Description | Autograph letter signed by sender. Reptile genera in John Frederick William Herschel's [Physical Geography ] are consistent with those of [Edward] Forbes cited in Johnston's Physical Atlas [1854], but new genera have been discovered. Questions John Frederick William Herschel's claim that Elgin sandstone is Devonian. Notes Richard Owen's estimates on pterodactyl size, and distinct tail feathers [illustration] on recent specimen from Bavaria. Corrects John Frederick William Herschel's names for beaver genera. | 
| Language | English | 
| Extent | 4pp | 
| Format | Manuscript | 
| Place origin | The British Museum | 
| Origin coordinates | 51.519444, -0.126944 | 
| Digital images | View item on Science in the Making | 
| AccessStatus | Open | 
| URLDescription | Also available on Epsilon | 
| URL | https://epsilon.ac.uk/view/herschel/letters/Herschel7902 | 
Fellows associated with this archive
| Code | PersonName | Dates | 
| NA8238 | Herschel; Sir; John Frederick William (1792 - 1871); mathematician and astronomer | 1792 - 1871 |