INDEX. 



Neuroptera clafs n 5 



Neutral falts - 49 



Neutral falts in water, to dif- 

 cover — - 3 1 

 Nickel — — 59 



Nihil - - 57 



Nitre, or falt-petre 49 

 Nitre in water, to difcover 3 1 

 Nitrous ammoniac 49 

 Nitrous acid - 48 



Notone£ta - n 4 



Nutmeg tree — 85 



Nuts to preferve in their pods 

 2 3 



Ny&anthes - 84. 



O. 



Ochres ' - 43 



Oeftrus — n 5 



Oil of vitriol - 48 



Onifci 82 



Onyx - 46 



Opal - - 46 



Ores, products of - 88 



Ounces — — 78 



Palm trees, kinds of 85 



Panthers — — 78 



Papilio — n 4 



Peacocks wild — 80 



Peas - 85 



Pedra de cobra - 75 



Petroleum - 5 1 

 Petroleum, or liquid bitumen 



33 



Petrefaclions — 44 



Phalaena — n 4 



Phafeoli, kinds of 85, 86 



Phryganea - n 5 



Pipe or potter's clay 43 



Pix Judaica - 5 1 



Plants to preferve and tranf- 

 port - - 21 



Plants to defcribe and draw xv 

 Plants dried to preferve 25 



—how to take impreffions 



of 26 

 PI after ftone - 44 



Plafter of Paris, improper for 

 preferving feeds 24 

 Plate Hate - 46 



Platina — 59 



Polite arts, queries upon 67 

 Pompholix . — 57 



Polygamy, how employed 75 

 Polypes - 83 



Porcelain clay - 43 

 Porcelain blue, hovvpainted73 

 Porphyry — 45 



Portland ftone — 45 

 Potter's lead ore - 56 

 Pterocarpus — 86 



Prulfian alkali - n 34 

 Ptinus — n 3 



Pudding ftone - 45 



Pulpy feeds to preferve 22 

 Pulfe, kinds of 85 

 Purbeck ftone - 45 



Purple ftone — 45 



Purple of the ancients 82 

 Pyrites copper or mundic 54 

 Pyrites iron - 5 1 



Pyrites white or marcafite 59 



Quadrupeds, how to defcribe 

 xii 



Quadrupeds, ceconomy of 77 

 Quadrupeds to preferve 1 8 

 Quartz — — 46 

 Quickfilver ~ 56 



R. 



Raphidia 



n 5 

 Rattle 



