202 



NATURE 



[June 30, 1692 



north of the Argentine Republic, skirts the provinces of 

 Bolivia and Paraguay, and runs through the heart of 

 Brazil. The centre of the shadow leaves South America 

 near the town of Ceara or Fortaleza, and travels across 



the region about Chili, the northeast corner of Brazil, i.e. 

 the region of Ceara, and the Senegambian coast. These 

 localities are so situated on the line of central and total 

 eclipse that photographs of the corona taken at Chili will 



Fig. 2.— Showing the region on the West Coast of Africa over which the line of totality passes. 



t'he Atlantic Ocean, striking the African coast between 

 Cape Verde and Bathurst. 



Probable Points for Observations. — The special points 

 for observations may be said roughly to be three, viz. 



NO. 1 183. VOL. 46] 



precede those taken in Africa by about si hours ; while 

 those obtained in the north-east of Brazil will be inter- 

 mediate between the two. 



Let us deal first with the ChiHan district ; this, we 



