a Paffage in ebn younes. 237 
for I make them about 5|, however widely this differs 
from 7 y as in curtius. 
When the altitude of the Sun, at the beginning of 
this eclipfe, is faid to have been 56° or nearly, Jecundum 
oculum , it is evident that this was an obfervation. 
When it is added, erantque de piano circuit ejus 4 digit! 
et 10 minuta , in words at length, it feems to have been 
fome interpolation or marginal reading, crept into the 
text, as another feems to have done under the former 
eclipfe; for if the digits eclipfed here were 5I, agreeable 
both to obfervation and accurate calculation , they muft 
certainly have been more than 4 0 1 o'.. 
At the conclufion of the former eclipfe it was added 
in the tranflation, Deus fcit an obfervatio lit bene infti- 
tuta; and here the paffage, as tranflated, concludes with 
Deus fcit an calculus hie bene fit pofitus. But in the 
Arabic, as I have received it, there is no mention made 
either of obfervation or calculation. The words are the 
fame in both paffages, and are only adjuvante Deo. The 
other tranflations feem only to have been what Mr. 
GRiscHow collected from profeffor schultens, who, he 
fays, was totally ignorant of aflronomical language, as he 
himfelf was ignorant of Arabic. 
The third is a Lunar eclipfe; and the account given 
of it by curtius, from schickard, is this ; 
Annoi 
