GLOSSARY. 



'97 



NITENS, ni-tens, shining, glossy. 



NITIDULUS, nit-iddyoul-luss, some- 

 what shining. 



NITIDUS, nitty-duss, 



NITIDA, nitty-dah, shining. 



NITIDUM, nitty-dum, 



NOCTURNAL, nok-turnal, belonging 

 to night ; performed during the 

 night. 



NOMENCLATURE, no - men - klayt- 

 your, the act of naming ; a list or 

 catalogue. 



NORMAL, nor-mal, according to 

 rule ; having the usual form or 

 structure. 



NUCLEUS, newkly-us, literally a 

 kernel; a central point around 

 which matter is collected ; the 

 tip or first formed portion of a 

 shelL ' 



O. 

 OBLIQUE, ob-leek, not straight, 



slanting. 

 OBLONG, ob - long, longer than 



broad. 



OBLONGA, ob-long-gah, oblong. 

 OBLONG-OVATE; between oblong 



and ovate. 

 OBSCURUS, ob-skew-russ, obscure, 



hidden, 

 OBSOLETE, obso-leet, somewhat 



indistinct, not well defined, as 



obsolete stria, or lines. 

 OBTUSALIS, ob-tew-sale-iss ; OBTU- 



s A LE, ob- tew-sale-ee, obtuse, blunt. 

 OBTUSE, ob-tewss, blunt. 

 OBVOLUTA, ob-vo-loot-ah, wrapped 



up. 

 OCHRACEA, o-kraysy-ah, ochreous, 



yellow. 

 OCHRACEOUS, o-krayshuss, of the 



colour of ochre, brownish-yellow. 

 OPALESCENT, o-pal-essent, like the 



opal, reflecting different colours. 

 OPAQUE, o-pake, not transparent. 

 OPERCULATED, op-erkyou-late-ed, 



having an operculum, or lid. 

 OPERCULUM, op-erkyou-lum, the 



lid either shelly or horny which 



closes the mouth of some uni- 

 valves ; it is attached to the foot 

 of the animal. 



ORDER, a secondary division of the 

 animal kingdom. See Class. 



ORGAN, a natural instrument of 

 action the lungs are the organs 

 of breathing, the ears are the 

 organs of hearing, the nerves the 

 organs of feeling, &c. 



ORGANIC, or-gannik, having organs, 

 as animals and plants ; rocks, 

 metals, &c., are inorganic bodies, 

 that is, they have no organs. 



ORGANISM, or-gan-izzm, of organic 

 structure. 



ORIFICE, orry-fiss, an opening, a 

 perforation. 



ORNATA, or-nate-ah, adorned, or- 

 namented. 



OVAL, o-vul, egg-shaped, but having 

 the ends of equal breadth, or 

 nearly so. See OVATE. 



OVALIS, o-vay-liss, \ } 



OVALE, o-vay-le, / 



OVATA, o-vate-ah, egg-shaped. 



OVATE, o-vate, shaped like an egg, 

 with the lower end broadest. 



OVIPAROUS, o - vippah - rus, pro- 

 ducing eggs. 



OVOVIVIPAROUS, o-vo-vi-vippah- 

 rus, a term which means that the 

 eggs are hatched and the young 

 retained for a time within the 

 body of the parent before they 

 are born. 



P. 



PALATAL, pal-a-tal, belonging to 



the palate. 

 PALLIAL, pally-al, belonging to the 



mantle. 

 PALLIAL IMPRESSION, the mark or 



groove in bivalve shells, caused by 



the muscular attachment of the 



mantle. 



PALLIDA, pally-dah, pale. 

 PALUDINA, pal-you-dine-ah, living 



in marshes. 



