NECROPHORTJS 



233 



NEOTTIA 



Necrophorus, (nek-rof'o-rus). [Gk. nekros, 

 dead; phoreo, I carry.] Burying-beetle: a 

 beetle which buries the bodies of small birds 

 and other animals, in which their eggs are 

 laid. 



Necrosis, (nek-ro'sis). [Gk. nekros, dead.] 

 Mortification of bone. cf. Gangrene, v. 

 Mortification. 



Nectandra, (riek-tan'dra). A plant belonging 

 to Lauraceae. 



Nectaries, (nek'ta-riz). [Nectar, q.v.] Glands, 

 in plants, secreting odoriferous juices, usually 

 sweet. 



Nectar, (nek'tar). [Gk. nektar, honey.] Sugary 

 juices secreted by flowers. 



Nectarine, (nek'ta-ren). [Gk. nektar, honey.] 

 Persica lsevis=Amygdalus Persica: a variety 

 of the peach. 



Nectarinidae, (nek-ta-rin'i-de). [Nectarinia, 

 the typical genus.] Sugar-suckers: birds 

 belonging to Tenuirostres, q.v. 



Nectary. Singular of Nectaries, q.v. 



Necto-calycine, (nek-to-kal'i-sin). Relating 

 to a necto-calyx. 



Nectocalyx, (nek-to-kal'iks.] [Gk. necho, I 

 swim; kalyx, cup.] The swimming appa- 

 ratus of marine Hydrozoa. 



Necto-sao, (nek'to-sak). The concave portion 

 of a necto-calyx, when bell-shaped . 



Needle, (ne'dl). [Ncedl, the A.-S. word.] A 

 magnetised bar or rod of steel, which points 

 towards the magnetic poles when free to 

 move horizontally. Astatic N.: a compound 

 needle, consisting of two magnetic needles 

 pointing in opposite directions; it remains 

 in any direction while preserving its other 

 magnetic properties. Dipping N. v. Dip- 

 ping. N. jurze: Genista Anglica. N. gun; 

 a rifle fired by a needle being forced into 

 the cartridge. N. ore: an ore, bismuth sul- 

 phur and copper, &c. N. spar: a variety 

 of Arragonite. IT. stone Natrolite ; also 

 called Needle-zeolite. 2V. 2c/twi=Genista. 



Negative, (neg'a-tiv). [L. nego, I deny.] N. 

 electricity=Hesii\ovLS electricity : developed 

 by friction on resinous substances. 2V. 

 quantities, in mathematics: measurement 

 of quantities or distances which are the 

 reverse of positive quantities. 2V. radicles= 

 Chlorous radicles, v. Radicle. 2V. in pho- 

 tography: a portrait or view taken on a 

 thick coating of collodion, or other sensitive 

 substance, so that the dark portions are 

 opaque to sunlight; and, therefore, copies 

 may be printed by the action of the sun 

 through the transparent part. 



Negritoes. An Oceanic race. 



Negro, (ne'gro). [L. niger, black.] 1. The 

 Spanish name for Papuans. 2. A native of 

 Central Africa. 2V. monkey=Simia, maura. 



Negroes. An African people, v. Negro. 



Negundo, (n e-gun'do)=Box-elder=Acer 

 negundo: a variety of the maple tree. 



Nelumbiace33,(ne-lum-bi-a'se-e). [Nelumbium, 

 Q.v.]=Water-beans: aquatic, floating herbs, 

 with peltate leaves, belonging to Nymphales. 



Nelumbium, (ne-lum'bi-um). [Corruption of 

 the Singalese name.] The type of Nelum- 

 biaceaB. 2V. speciosiuJi^Pythagorean bean: 



a plant, with large fan-like leaves, floating 

 on water, and tulip-like flowers; has edible 

 roots and nuts. 



Nemacanthus, (nem-a-kan'thus). [Gk. nema, 

 thread; akantha, spine.] A placoid fish, 

 known only by fossil spines, found in Lias 

 rocks. 



Nemalite, (nem'a-llt). [Gk. nema, thread; 

 lithos, stone. ] A white silky mineral, chiefly 

 hydrated silicate of magnesia; also called 

 Brucite. 



Nematelmia, (nem-a-tel'mi-a). [Gk. nema, 

 thread ; helmins, worm.] A division of 

 Scolecida : cylindrical, elongated, worm-like 

 animals, mostly unisexual and parasitic. 



Nematelminthes, (nem-a-tel-min'thes). [Gk. 

 nema, thread ; helmins, worm.] A sub- 

 division of Annuloida by Rolleston. 



Nematocysts, (nem'a-t5-sists). [Gk. nema, 

 thread ; kistos, bladder. ]=Cnidae : elastic 

 sacs, each containing a long coiled serrated 

 filament, which can be shot out to some dis- 

 tance, found in Ccelenterata; also in some 

 Mollusca^ &c. 



Nematoda=Nematoidea, q.v. 



Nematoidea, ( nem-a-toi'de-a ). [Gk. nema, 

 thread; eidos, form.]=Nematodes=Thread- 

 worms, round worms, &c. : a division of 

 Scolecida, with vermiform bodies; a division 

 of Ccelelmintha, q. v. ; often parasitic and of 

 two sexes. 



Nematophores, (nem'a-to-forz). [Gk. nema, 

 thread; phoreo, I carry.] Cup-like appen- 

 dages to some of the Sertularida, in which 

 thread-cells are contained. 



Nematosaurus,(nem-a-to-saw'rus). [Gk. nema, 

 thread; saura, lizard.] A reptile, known only 

 by fossil remains. 



Nemertida,(ne-mer'ti-da). [Gk. nema, thread.] 

 =Ribbori-worms: elongated vermiform ani- 

 mals, with distinct sexes, belonging to 

 Turbelluria. 



Nemesis, (nem'e-sis). [Classical.] No. 128 of 

 the Minor Planets. 



Neocomian, (ne-6-ko'mi-an). [L. Neocomium, 

 Neufchatel.] = Lower Cretaceous = Lower 

 Greensand. v. Cretaceous. 



Neoctese=Scorodite, q.v. 



Neolite, (ne'o-llt). [Gk. neos, new; lithns, 

 stone.] A silky fibrous mineral, chiefly 

 hydrated silicate of magnesium, aluminum, 

 and iron: named from being newly formed 

 by infiltration of magnesium rocks. 



Neolithic age, (ne-6-lith'ik). [Gk. neos, new; 

 lithos, stone.] A pre-historic period, in which 

 land and water were much as now; also called 

 the polished stone age, when gold was the 

 only metal known and used for ornament, 

 tools and implements being of stone. 



Neotokite, (ne-ot'5-klt). [Gk. neotokos, of 

 recent origin. ] A brown amorphous mineral, 

 chiefly hydrated silicate of magnesium, iron, 

 &c. 



Neoplase=Botryogen: in part. 



Neottia, ( ne-ot'ti-a ). [ Gk. neottia, nest.] 

 Lady's tresses: a parasitic plant, belonging 

 to Orchidaceae, named from its root-fibres 

 being matted together. 2V. nidus-avis = 

 Bird's-nest orchis. 



