VI 



said to be " shadows falling upon shadow *, like 

 images in water, or in a mirror, or a dream." 



With respect to Ocellus Lucanus, the author 

 of the first of these Tracts, though it is unknown 

 at what precise period he lived, yet as Archytas, 

 in his epistle to Plato (apud Diog. Laert. viii. 80. ), 

 says " that he conversed with the descendants of 

 Ocellus, and received from them the treatises of 

 this philosopher On Laws, On Government, Piety, 

 and the Generation of the Universe f," " we can- 

 not be a great way off the truth," as my worthy 

 and very intelligent friend Mr. J. J. Welsh, in a 

 letter to me, observes, " if we say that he lived 

 about the time Pythagoras first opened his school 

 in Italy, B. C. 500 ; which would give him for 

 contemporaries in the political world, Phalaris, 

 Pisistratus, Croesus, Polycrates, and Tarquin the 

 Proud ; and in the philosophical world, the seven 

 sages of Greece, Heraclitus of Ephesus, Demo- 

 critus of Abdera, &c. &c." 



All that is extant of his works is the treatise 

 On the Universe:}:, and a Fragment preserved by 



* viz. falling on matter, or the general receptacle of all sensible 

 forms. See my Translation of the admirable treatise of Plotinus 

 " On the Impassivity of Incorporeal Natures. " 



-f* n?/ vopov, vtgt fictffiXtias xai otrtoryirog, xi rys rev TKvros 



f It is rightly observed by Fabricius, " that this work of Ocellus 

 was originally written in the Doric dialect, but was afterwards 



