666 REPORT OF NATIONAL MUSEUM, liKK). 



PiRSSON (L. V.)- On the corundum-bearing ro(!k from Yogo Gulch, Montana. 



[In Am. Jour. Science, IV, 1897, p. 421.] 

 Pliny. Historia Naturalis C. Plinii secundi. 



First issued A. D. 77. 



The work is divided into .S7 Ijooks, and these into short chapters; tlie last 5 

 books treat particularly of gems and other minerals. 

 Pluchk (Antoixe Noj:l J)e). Spectacle de la Nature. 



Paris, 1732-39. 

 Plummkr (J.). Australian localities of diamond. 



[In Watchmaker, Jeweller, and Silversmith, XXIV, 1898.] 

 Plytokf (G.). Divination, calcul, des probabilites, oracles et sorts, songes, grapholo- 

 gie, chiromancie, phrenologie, physiognomie, cryptographie, magie, kabale, 

 alchimie, astrologie, etc. 



Paris, 1891. 

 Pole (W. ). Diamonds. 



[In London Archaeol. Trans., 18(31.] 

 Porta (Joiix Baptist). Magiii' Naturalis. 



Porta [born 1538, died 1615] published the first edition of this work in 1553, 

 when he was but 15 years old. It contains much concerning the mystical prop- 

 erties of gems. The work also contains a description of the camera obscura. 

 . A method of knowing the inward virtues of things Viy inspection. 



1601. 

 . De Distillationilms. 



Ronue (Rome), 1608. 

 PoRTALEONE (Abraham). Sliilte Haggeborim [The Shields of the Mighty]. 



Mantua, A. M. 5372 (A. D. 1612). 

 Porr (M. J.). Lithogeopnosie, ou examen chymique des Pierres et des Terres en 

 general et de la Topaze et de la st(^atite en particulier. 



Paris, 1753. 

 PouGENiEFF. Precious Stones. Russian, with 2 coloured plates and numerous 

 woodcuts. 



St. Petersburg, 1888. 

 PoiKJET (N. ). Traite des Pierres precieuses, et de la maniere de les employer en 

 parure. 



Paris, 1762. 

 Pratt (J. H.). Notes on North Carolina minerals. 



[In Journal Elisha Mitchell Scientific Society, XIV, part 2, p. 61, 1898.] 



Describes occurrence of emerald. 

 Pratt (J. H., and W. E. Hidden). Rhodolite, a new variety of garnet. 



[In Am. Jour. Science, V, 1898, p. 293; also VI, 1898, p. 463.] 

 PrecioI'S stones of the Bible; descriptive and symbolical. 



1878. 

 Precious stones, cutting and polishing of. 



[In Mineral Industries (annual), p. 229, 1899.] 

 Prinz (W.). Les enclaves du Saphir, <lu Rubis, et du Spiuelle. 



[In Bui. Soc. Beige. Microsc, 1882.] 

 PsELLUs (Michael CoNSTANTiNUs). De Lapidum Virtutibus. 



Lugundi Batavorum (Leyden), 1795. 



Ragoumovsky ( ). Distribution Technique des Pierres precieuses, avec leurs 



caracteres distinctifs. 



Vienne (Vienna), 1825. 

 Ra.mhosson ( ). Les Pierres ])r6cieuses. 



