Proc. Am. Philos. Soc, Vol. XLVI., No. 187. 



/OS' 



Coast Survey Map 

 the continuous dashes 2000 



OF THE REGION OF THE EAST INDIES. In the contour lines 4 points denote a depth of 4000 fathoms, 3 points 3000 fathoms 

 fathoms, and the continuous line near shore 100 fathoms. 



