13. ‘Northern Entrance to Discovery Strait, from the anchorage in 15 fms. within’ Date: 1825/1825 Language: English Geographic region: Discovery Strait Extent: 1 watercolour view
14. ‘Jirnain Island from the Westward dis.t 1 ¾ miles. Drawn by Lieut.t M. Houghton from a Sketch by Dr. Mackell’ Date: 1825/1825 Language: English Geographic region: Jirnain Island Extent: 1 watercolour view
15. ‘Zircooa Island from the Eastward dist.t about 2 miles. From a Sketch by Dr Mackell’ Date: 1825/1825 Language: English Geographic region: Zircooa Island Extent: 1 watercolour view
16. ‘Seer Beni Yass dist.t 6 ¼ miles. From a Sketch by Dr. Mackell’ Date: 1825/1825 Language: English Geographic region: Seer Beni Yass Extent: 1 watercolour view
17. ‘Debay in 6 ½ fathoms’ Date: 1825/1825 Language: English Geographic region: Debay Extent: 1 watercolour view
18. 'His Majesty’s experimental frigate Vernon drawn at sea Jany. 10th 1834 in Persian Gulf' by Godfrey Thomas Vigne (1801–63) Date: 1834/1834 Language: English Geographic region: Persian Gulf Extent: 1 watercolour drawing on paper
19. ‘Coast of Arabia' showing Jibbul Hadwareeah and Zerboot. From a Sketch by Dr. Mackell Date: 1825/1825 Language: English Extent: 1 watercolour view
20. ‘Aymaun in five fathoms’ Date: 1825/1825 Language: English Geographic region: Aymaun Extent: 1 watercolour view
21. 'Aden' by Kate Toynbee (fl. 1879-80) Date: 1880/1880 Language: English Extent: 1 watercolour drawing on watercolour paper, bound into volume
22. ‘Museldom from the Westw.d’ Date: 1825/1825 Language: English Geographic region: Museldom Island Extent: 1 watercolour view