226 APPENDIX. 



Researches (vol. iv. p. 402) led me to doubt the existence of 

 reefs ; uncoloured. 



The coast of Malacca, Tenasserim, and the coasts north- 

 ward, appear in the greater part to be low and muddy : 

 where reefs occur, as in parts of Malacca Straits, and near 

 Singapore, they are of the fringing kind ; but the water is 

 so shoal, that I have not coloured them. In the sea, how- 

 ever, between Malacca and the west coast of Borneo, where 

 there is a greater depth from 40 to 50 fathoms, I have 

 coloured red some of the groups, which are regularly 

 fringed. The northern Natunas and the Anambas Islds. 

 are represented in the charts on a large scale, published in 

 the Atlas of the Voyage of the Favourite, as fringed by reefs 

 of coral, with very shoal water within them. — Tumbelan and 

 Bunoa Islds. (i° N.) are represented in the English charts as 

 surrounded by a very regular fringe. — St. Barbes (o° 15' N.) 

 is said by Horsburgh (vol. ii. p. 279) to be fronted by a 

 reef, over which boats can land only at high water. — The 

 shore of Borneo at Tunjong Apee is also fronted by a reef, 

 extending not far from the land (Horsburgh, vol. ii. p. 468). 

 These places I have coloured red ; although with some 

 hesitation, as the water is shallow. I might perhaps have 

 added Pulo Leat, in Gaspar Str., Lucepara, and Carimata; 

 but as the sea is confined and shallow, and the reefs not 

 very regular, I have left them uncoloured. 



The water shoals gradually towards the whole west coast 

 of Borneo : I cannot make out that it has any reefs of coral. 

 The islands, however, off the northern extremity, and near 

 the S.W. end of Palawan, are fringed by very distant coral- 

 reefs ; thus the reefs in the case of Balabac are no less than 

 five miles from the land; but the sea, in the whole of this 

 district, is so shallow, that the reefs might be expected to 

 extend very far from the land. I have not, therefore, 



