BOOK I 



rotten-stone ; what people and whose freedmen are 

 excessively powerful ; Galatian earth, Kalibian earth, 

 Balearic earth, Iviza earth ; 4 drugs from these. — 

 Total 956 drugs, investigations and observations. 



Authorities : the orator Messala, Messala senior, 

 Fenestella, Atticus, Marcus Varro, Verrius, Cornelius 

 Nepos, Deculo, Mucianus, MeHssus, Vitruvius, 

 Cassius Severus, Longulanus, Fabius VestaUs On 

 Painting. Foreign authorities ; Pasiteles, Apelles, 

 Melanthius, Asclepiodorus, Euphranor, Parrhasius, 

 Hehodorus's Votive ojferings of Athens, Metrodorus's 

 Science of Architecture, Democritus, Theoplirastus, the 

 philologist Apion's Mineral Drugs, Nymphodorus, 

 lollas, Apollodorus, Andreas, HeracUdes, Diagoras, 

 Botrys, Archedemus, Dionysius, Aristogenes, 

 Democles, Mnesides, Xenocrates son of Zeno, 

 Theomnestus. 



Book XXXVI. Contents : the natures of stones. 

 (i-xi) Luxury in use of marbles ; first owner of foreign 

 marble pillars at Rome ; first exhibitor of marble in 

 pubHc works ; first distinguished sculptors in marble, 

 and their dates; (ix the Mausoleum of Caria) ; 

 225 famous works and artists in marble ; date of first 

 employment of marbles in buildings ; what people 

 first cut marbles, and at what date ; who first used 

 marble wall-paneUing at Rome ; at which periods 

 did the various marbles come into use at Rome ; 

 method of cutting marble ; sands employed in marble- 

 cutting ; Naxian marble, Armenian marble, marbles of 

 Alexandria. (xii f.) Onyx, alabaster; 6 drugs there- 

 from ; Parian marble, coral marble, AUibanda stone, 

 Theban stone, Syene granite. (xiv f.) ObeUsks : 

 obeUsk in Campus Martius serving as gnomon. 

 (xvi-xxiii) Remarkable structures in various countries ; 

 Egyptian Sphinx, pyramids ; Pliaros Ughthouse ; 



157 



