P Y E 



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QUA 



PTBOSO'MA. (from irvp, fire, and 

 aw pa, a body, Gr.) From the 

 phosphorescent character which 

 they possess they have obtained 

 their name. A floating polyp, 

 differing from the coral in being 

 locomotive. Peron observed that 

 when irritated its phosphorescence 

 was augmented. 



PYEOXE'NE. (from rrvp, fire, and eVos, 

 a stranger, Gr.) The name given 

 by Haiiy and Brongniart to augite. 



PI'EITLA. (frompyrum, a pear, Lat.) 

 A genus of marine univalves, be- 



longing to the family Canalifera. 

 Eecent pyrulsB are found at depths 

 varying to nine fathoms, in mud 

 and sand sand. The pyrula is a 

 somewhat pyriform univalve, swell- 

 ing in the upper part, with no 

 variciform sutures, caudated, cana- 

 liculated, spire short, aperture 

 wide, outer lip thin, and not slit, 

 columella smooth. Six species 

 have been found fossil by Lamarck. 

 Pyrula3 are also found in the 

 London clay, and in the Bognor 

 sandstone. 



Q 



QUA'DEATE. (quadratus^at.) Square; 

 having four equal and parallel 

 sides. 



QUADEICA'PSULAE. In botany, having 

 four capsules to a flower. 



QTJADBIDE'NTATE. Four- toothed. 



QTTADBILO'BATE. (from quatuor, four, 

 and lolus, a lobe, Lat.) A term 

 applied in botany to a part having 

 four lobes ; as a quadrilobate leaf. 



QUADBILO'CTTLAB. (from quatuor, four, 

 and loculus, a cell, Lat.) Four- 

 celled ; having four cells. 



QUADBIPHY'LLOTJS. (from qmtuor, 

 four, Lat. and 0vX\oi/, a leaf, Gr.) 

 In botany, having four leaves; 

 four-leaved. 



QIJADBIPLI'CATED. (from quatuor ', four, 

 and plica, a fold, Lat.) A term in 

 eonchology ; having four plaits or 

 folds. 



QUADEIVA'LVULAB. (from quatuor, 

 four, and valva, a valve, Lat.) A 

 term in botany ; having four 

 valves. 



QUADETJ'MANA. (from quatuor, four, 

 and manus, a hand, Lat.) The 

 second order of Mammalia, in- 

 cluding the monkeys, lemurs, and 

 onisites. All the animals of this 

 order have the toes of the hind feet 



free and opposable to the others, 

 and all the toes are as long and 

 flexible as the fingers. The great 

 character which distinguishes the 

 members of this order is the pos- 

 sessing a moveable thumb on their 

 lower extremities opposed to the 

 fingers. 



QUADBTJ'MANOUS. Having four hands ; 

 four-handed. 



QUA-QTJA-VE'BSAL. (quaqud, Lat.) on 

 every side, and versus, inclined, 

 Lat.) Inclined towards every 

 side ; facing all ways : a term 

 applied to the dip of a bed which 

 is inclined, facing all sides. 



QUABTZ. (quarz, Germ, quartz, Fr. 

 mot emprunte de VAllemand. The 

 meaning of the word quartz does 

 not appear to be known.) Silex in 

 its purest form. Quartz is a 

 hydrate of silicon, or silex with 

 some water of crystallization ; it is 

 a compound of a metallic basis, 

 silicium, and oxygen. The usual 

 colours of common quartz are white 

 and grey. Quartz is found in 

 every variety of form, although in 

 its composition it varies but 

 slightly. When crystallised, it 

 usually occurs in six-sided prisms, 



