GLOSSARY. 



125 



Ox'idate (Oxide). To convert into 

 an oxide. 



Oxide (Oxygen}. A body formed of 

 oxygen with another elementary 

 body. 



Ox'idize (Ox'yven). To charge or 

 impregnate with oxygen. 



Oxy-. A prefix in compound words, 

 signifying generally that oxygen 

 enters into the composition of the 

 substance ; sometimes also im- 

 plying acuteness. 



Oxyg'enate (Ox'ygen, from Gr. o|vs, 

 oxus, acid ; yevvaw, genna'o, I 

 produce). To unite or cause to 

 combine with oxygen. 



Oxyg'enise. See Oxygenate. 



Oxyg'enous (Ox'ygen). Relating to 

 oxygen. 



Oxyhy'drogen Blowpipe. A kind 

 of blowpipe in which oxygen and 

 hydrogen gases are burned together, 

 to produce intense heat. 



Oxyhy'drogen Mi'croscope. A mi- 

 croscope illuminated by a cylinder 

 of limestone exposed to the flame 

 of the oxyhydrogen blow-pipe. 



Ox'ysalt (Ox'ygen; salt). A salt 

 into the composition of which 

 oxygen enters. 



Oz'one (Gr. oa>, oz'it, I smell). A 

 modification of oxygen, produced 

 by electrical action, and emitting a 

 peculiar odour. 



P. 



Pab'ulum (Lat. from pasco, I feed). 

 Food. 



Pacchio'nian Bodies (Pacckio'ni, an 

 Italian anatomist). Small fleshy 

 looking elevations formed on the 

 external surface of the dura ma- 

 ter. 



Pachyder'matous (Gr. TTOXV?, pactius, 

 thick; 5ep/xo, derma, skin). Thick- 

 skinned ; applied to an order of 

 animals having hoofs, but not 

 chewing the cud, of which the 

 elephant, hippopotamus, horse, pig, 

 and a lai'ge number of fossil animals, 

 are examples. 



Pacin'ian Bodies (Paci'ni, an Italian 

 anatomist). Minute oval bodies, 

 attached to the extremities of the 

 nerves of the hand and foot, and 

 some other parts. 



Palse'o- (Gr. ira\aios, palai'os, an- 

 cient). A prefix in compound 

 words, signifying ancient. 



Palseog'raphy (Gr. TraAaios, palai'os, 

 ancient ; ypcKpia, graph' o, I write). 

 The art of deciphering and reading 

 ancient inscriptions. 



Palaeol'ogy (Gr. TTO.AO.IOS, palai'os, 

 ancient ; \oyos, logos, discourse). 

 A discourse or treatise on ancient 

 things. 



Palseontol'ogy (Gr. TraAcuos, palai'os, 

 ancient ; uv, tin, being ; Ao-yoj, 



logos, discourse). The branch of 

 science which describes the fossil 

 animals and plants found in geolo- 

 gical strata. 



Palaeophytol'ogy (Gr. iraAaios, pa- 

 lai'os, ancient ; tyvrov, phuton, a 

 plant ; Xoyos, logos, discourse). 

 A term proposed for that branch of 

 palaeontology which treats of fossil 

 vegetable remains. 



Palaeosau'rus (Gr. TraAaios, palai'os, 

 ancient ; eraupos, sauros, a lizard). 

 Ancient lizard : a fossil reptile 

 found in the maguesian limestone 

 of the Permian system. 



Palseothe'rium (Gr. TraAcuos, palai'os, 

 ancient ; Brjptov, thcrion, wild 

 beast). A fossil pachydermatous 

 or thick-skinned animal, found in 

 the tertiary strata. 



Palaeozoic (Gr. iroAotos, palai'os, 

 ancient ; <*% 2 g , life). A term 

 applied to the lowest division of 

 strata which contains fossil re- 

 mains of animals. 



Palaeozool'ogy (Gr. TraAaios, pala'ios, 

 ancient ; C WOI/ > zoon, an animal ; 

 \oyos, logos, a discourse). A term 

 proposed for that branch of palaeon- 

 tology which describes fossil animal 

 remains. 



Pala'tal (Lat. pala'titm, the roof of 

 the mouth). Relating to the pa- 



