338 Voyage madagascarV 



an excellent tafc. Thefe oyfters adhere tiJ 

 {he bmricbes, and form cluflers t>f the moft 

 lingular and remarkable figures* At a little 

 diftarrce from tliofe pjrts which the fea 

 covers, there srre found veins af a kind of 

 fand different from that of the (bore, and 

 which appears to have experienced a fend* 

 vitrificadon. This fand is intermixed with 

 ftones of a foft fliabte nature, interfpcrfed 

 with an infinife number of fmall fragments 

 of natural glafs. Foulepointe, a<icording to 

 the obferrations which I made, lies in lati- 

 tude 17** 40'' 20'^, and longitude ^y" 30'. 

 During my ftay here Reainnur^s thermo- 

 meter never rofc above twentj-ftyen de* 

 greeSj and never fell Itjwer than fifteen, 

 Tlie barometer experienced very little va- 

 riation, and always between twenty-eight 

 inches two lines and twenty-eight inches 

 five lines* 



Ships can procure at Foulepointe provi-f 



fions 



