CATALOGUE OF GEMS. 665 



Natural Magick, in twenty ])ooks, wlierein are t*et forth all the riches and delights 

 of the natural sciences, with engravings. 

 London, 1658. 



An English trans, of Porta' s Magije Naturalis. 

 NicoLS (Thomas). A lapidary, or history of pretious stones; with cautions for the 

 undeceiving of all those that deal with pretitious stones. 

 London, 1754. 



. Arcula Gemmea; or the Nature, Virtue, and Valour of Precious Stones, with 



cautions for those who deal in them. 

 Cambridge, 1652. 



Gemmarius Fidelis, or the Faithful Lapidary; experimentally describing 



the richest Treasures of Nature, in an Historical Narrative of the several Natures, 

 Virtues, and Qualities of all Precious Stones, with a Discovery of all such as are 

 adulterate and counterfeit. 



London, 1659. 

 NoRTHRUP (H. D. ). Beautiful gems. 



1890. 

 OciTTcnEPKOFF (J. W.). Qui ti decouvert le Diamant dans les Montes Ourals? 



[In Bui. Soc. Oural. Sci. Nat., VII, p. 87, 1884.] 

 Opals (Australian). 



[In Iron, XXII, p. 490, 1883.] 

 Orpkx (G.). Stories about famous precious stones. 



1890. 

 Orpheus. Hymni et de Lapidibus. (ir. Lat., curante A. C. Eschenbachio; accedunt 

 H. Stephani nota\ 



Traj. ad Rh. (Cologne), 1689. 

 Okton (J.). Undei'ground treasures. 



Philadelphia, 1881. 

 Pacje(D. ). Economic Geology. 



London, 1874. 

 Paracelsus (Philippus Aurelius Theophrastus) . Nine books on the nature of 

 things; into English by J. F. 



London, 1650. 

 Paracelsus. Of the chymical transmutation, genealogy, and generation of metala 

 and jninerals [tr. by R. Turner]. 



London, 1657. 

 Parrot ( ). Notices sur les Diamants d I'Oural. 



[In Mem. de I'Acad. Imp., St. Petersburg, 1832]. 

 Paktsch (P.). Beschreibendes Verzeichniss einer Sammburg von Diamanten und 

 der zur Bearbeitung derselben nothwendigen apparate. 



Wein (Vienna), 1822. 

 Paxmax (J. N. ). The diamond fields of South Africa. 



[In Eng. Min. Jour., XXXV, p. 382.] 

 . On the diamond fields and mines of Kimlierley, South Africa. 



[InProc. Inst. Civil i:ng., LXXIV, p. 59.] 

 Pa.vton (J. R. ). Jewelry and the prec-ious stones. 



[By Hipponax Roset, pseudon.] Philadelphia, 1856. 

 Petzfioldt (M.). Beitnige zur Naturgeschichte des Diamants. 



Dresden und Leipzig, 1842. 

 PniLosTKATUs. De Vita Apolonii. 

 PiEREKUs (G. p.). Lazulus, Dissertatio chymico, luedica. 



Argentorati (Straslmrg), 1668. 

 PiNiJER ( ). De Adamante Commentatio Autiquaria. 



Berlin, 1829. 



