NORTHERN 



NUMISMATICS 



Vespa borealis: a tree wasp, also called Vespa 

 arborea. 



Northern constellations. Visible above the 

 zodiac, Ursa Major and Minor, Cassiopea, 

 Bootes, &c. , 25 in number. 



Norway. JV. fir= Abies excelsa. JV. haddock 

 = Perca marina. N. lobster = Nephrops 

 Norvegicus. 



Norwegian, (nor-we-ji-an). N. stove: a wooden 

 box, lined with felt, in which partially cooked 

 food is placed, when the cooking is finished by 

 the same heat, which escapes but very slowly. 

 N. icasp=Vespa Norvegica: a tree wasp. 



Norwich crag, (nor / idj)=Fluvio-marine crag: 

 a bed of sand and loam containing both river 

 and sea shells; one of the Newer Pliocene. 



Nose, (noz). [Nosu, the A.-S. name.] The 

 organ of the sense of smell; an open passage 

 from nose to mouth is the only absolute 

 difference between fishes and reptiles. 



Nosology, (nos-ol'6-ji). [Gk. nosos, disease; 

 logos, discourse.] The science of disease; and 

 of the classification of its various phases. 



Nostochinese, (nos-tok'i-ne-e) = Nostocs: un- 

 symmetrical algae, with blue-green contents. 



Notation, (no-ta'shun). The expression of 

 numerical quantities by means of figures. 

 Chemical N. : the use of initials and numbers 

 to express chemical composition. Musical 

 N., v. Scale. 



Notchwing, (uoch'wing)=Teras caudana: a 

 moth. 



Note, (n5t). [L. nota, a mark.] 1. A musical 

 sound or tone. 2. The character representing 

 it. Key N.: the chief note of a scale, q.v.; 

 also called Do. 



Nothosaurus, (noth-o-saw'rus). [Gk. nothos, 

 bastard; saurus, lizard.] A genus of Ple- 

 siosauria, q.v.; an extinct marine reptile, 

 remains of which are found in Trias and 

 Muschelkalk. 



Notobranchiata, (no-to-brang-ki-ii'ta). [Gk. 

 notos, back; bragchion, gill.]=Errantia, q.v. 



Notochord, (no'to-kord). [Gk. notos, back; 

 chorde, string. ]= Chorda dorsalis: the earliest 

 development of the vertebral column; a 

 temporary rod of cellular matter; not found 

 in invertebrate animals. 



Notodontidse, (no-to-don'ti-de). [Gk. notos, 

 back; odous, tooth.] A family of moths, be- 

 longing to Lepidoptera, called Tooth-backs. 



Notonecta, (no-to-nek'ta). [Gk. notos, back.] 

 =Boat-fly: an insect belonging to Hydro- 

 corisse. JV". glauca= Water-boatman: in day 

 floats on water, at night flies about. 



Notornis, (no-tor'nis). [Gk. notos, south; ornis, 

 bird.]=Dinornis: a bird belonging to Gral- 

 latores, supposed to be extinct; recently dis- 

 covered in New Zealand. 



Nototherium, (no-to-the'ri-um). [Gk. notos, 

 south; therion, beast.] An herbivorous mar- 

 supial mammal of Australia, fossil remains 

 of which have been found in Pleistocene. 



Nototrema, (no-to-tre'ma). N. marsupialum: 

 an American tree frog, the female of which 

 has a pouch over the whole of the back con- 

 taining the eggs. 



Noturn, (no'turn)/ Back of thorax in insects. 



NovacuUte, (no-vak'u-lit). [L.novacula, razor.] 



A variety of argillaceous slate; also called 

 hone, oil-stone, turkey-stone, and whetstone. 



November moth=Oporobia dilatata: found in 

 November. 



Nubecula, (nu-bek'u-la). [L, nubecula, little 

 cloud. ] The two Magellanic clouds are called 

 Nubecula major and minor. 



Nubium Mare Nubium: one of the plains 

 on the surface of the moon, supposed to have 

 been a sea formerly, about 700 miles square. 



Nucifraga, (nU-sif'ra-ga). [L. nux, nut;/rcm<7o, 

 I break.]=Nutcracker: a crow-like bird. 



Nucleated, ( na-kle-a'ted ). [Nucleus, q.v.] 

 Having nuclei. JV. cell, of blood: a thin 

 spheroidal sac containing a vesicular nucleus 

 in a fluid. 



Nuclei, (nu'kle-I). [Nucleus, q.v.] Plural of 

 nucleus, q.v. 



Nuclein, (nu'kle-In). [Nucleus, q.v.] A sub- 

 stance resembling mucin. 



Nucleobranchiata, (nu - kle -6 - brang - ki -a'ta). 

 fL. nucleus, kernel; Gk. bragchia, gills.]= 

 Heteropoda, q.v. : highly organised marine 

 animals; a sub-division of Gasteropoda. 



Nucleolus, (nu-kle'6-lus). [The Latin word.] 

 A very small nucleus; also used for the 

 sperm-element of Infusoria. 



Nucleus, (nii'kle-us). [The Latin word.] 1. 

 A germinal body found in cells of organic 

 bodies. 2. A body having a stronger or 

 weaker attraction for the gas, vapour, or 

 salt of a solution than for the liquid of it, 

 and, therefore, modifying by its presence 

 the freezing and boiling points. 



Nudibranchiata, ( nu-di-brang-ki-a'ta ). [L. 

 nudus, naked; Gk. bragchia, gills.] Mollus- 

 cous animals having uncovered gills and no 

 shell, excepting in the embryo state ; the 

 most highly developed order of Gasteropoda. 



Nugget, (nug'get). A general term for a 

 piece of native gold or other metal. 



Number, (num'ber). [Numerus, the Latin 

 word.] Golden N. v. Golden number. 

 Prime JV..' a number, such as 3, 5, 7, 11, 13, 

 17, &c., that cannot be divided by any 

 whole number but 1. Whole JV.=Integer: 

 a multiple of unity; a number having no 

 fractional part. cf. Fraction. 



Numenius, (nu-me'ni-us). [The Latin name.] 

 =Curlew: a bird belonging to Grallatores. 



Numeration, (nu-mer-3,'shun). [Numeratio, 

 the Latin word.] The art of estimating and ex- 

 pressing numerical quantities, cf. Notation. 



Numerator, (nu-mer-a'tor). [The Latin word. ] 

 The upper number of a fraction, which shows 

 how many of the parts expressed by the de- 

 nominator are taken. 



Numerical, (nu-mer'i-kal). Relating to num- 

 ber. N. equation: one in which the co- 

 efficients are numbers. 



Numidia, (nu-mid'i-a). [The Latin name.]=: 

 Guinea-fowl: a turkey-like bird belonging to 

 Pavonidse. 



Numidian, ( nu - mid'i - an ). [ Numidia, in 

 Africa.] JV. crftw.e=Demoiselle: a bird be- 

 longing to GraUatores=Grus vivgo= Anthro- 

 poides virgo. 



Numismatics, (nu-mis-mat'iks). [L. numisma, 

 money.] The science of coins and metals. 



