LIST OF ILLUSTRATIONS. Ii

II. CHARTS SHOWING THE DREDGING AND SOUNDING STATIONS.

FIRST FART. Chart PAGE lA. Hemisphere showing depths in the Atlantic Ocean, lB. ,, Pacific Ocean, - in pocket of cover to First Part. lo. " ,, Indian Ocean, J 2. England to the Canary Islands, touching at Lisbon, Gibraltar, and Madeira; also towards England from the Cape Verde Islands, touching at Vigo, ...... 110 3. In the vicinity of Lisbon, . . . . . 112 4. In the vicinity of Madeira Island, ...... 126 5. In the vicinity of the Canary Islands, . " . . . . . 136 6. Canary Islands to St. Thomas, St. Thomas to Bermuda, Bermuda to the Azores, Azores to Madeira, and Madeira to Cape Verde Islands; also towards England from the Cape Verde Islands, . 138 7. In the vicinity of the Virgin Islands, ...... 170 8. In the vicinity of Bermuda, ...... 192 9. Bermuda to Halifax, crossing the Gulf Stream in the meridian of 70° W., and Halifax to Bermuda, crossing the Gulf Stream in the meridian of 63° W., ...... 220 10. In the vicinity of the Azores, ...... 280 11. In the vicinity of the Cape Verde Islands, ...... 304 19. Cape Verde Islands to Bahia, touching at St. Paul's Rocks and Fernando Noronha; also Ascension to Cape Verde Islands, ...... 316 13. In the vicinity of St. Paul's Rocks, ...... 340 14. In the vicinity of Fernando Noronha, ...... 344 15. In the vicinity of the Coast of Brazil, ...... 350 16. Bahia to the Cape of Good Hope, touching at the Tristan da Cunha Islands; also Monte Video to Ascension, ...... 380 17. In the vicinity of the Tristan da Cunha Islands, ...... 390 18. Cape of Good Hope to the parallel of 60° S., touching at the islands of Marion, Crozet, Kerguelen, and Heard, ...... 416 19. In the vicinity of Prince Edward and Marion Islands, ...... 430 20. In the vicinity of the Crozet Islands, ...... 456 91. In the vicinity of Kerguelen Island, ...... 460 22. In the vicinity of Heard Island, ...... 488 23. In the neighbourhood of the Antarctic Circle, between the 78th and 98th meridians of east longitude, showing the position of Pack Ice and floating Icebergs encountered, . . . . 502 21. From a position in hit. 59° 56' S., long. 99° 14' E. to Melbourne, . . . . . 526 25. Melbourne to Sydney, ...... 550 26. In the vicinity of Sydney, N.S.W., ...... 552 27. Sydney to Wellington, touching at Port Hardy and Queen Charlotte Sound; Wellington to Fiji Islands, touching at Tongatabu; and Fiji Islands to Cape York, touching at Api Island and Raine Islet, ...... 576 98. In the vicinity of Tongatabu, ...... 622 29. In the vicinity of Matuku Island, ...... 632 30. In the vicinity of Ngaloa Harbour, Fiji Islands, ...... 642 31. Cape York to Hong Kong, touching at the Arrou Islands, Ki Islands, Banda Islands, Amboina Island, Ternate Island, Sainboangan, Do Do, and Manila; also Hong Kong to Yokohama, touching at Manila, Zebu, Samboangan, Humboldt Bay, and the Admiralty Islands, . . 718