HAPLOPHLEBITJM 



158 



HAUYNE 



stomio fish; known only by fossil remains ' 

 found in Devonian rocks. 



Haplophlebium, (hap-16-fleb'i-um). [Gk. hap- 

 loos, simple ; phleps, vein.] An insect. //. 

 Barnesii: known only by a fossil wing, found 

 in 1867. 



Hard, (hard). [Heard, the A.-S. word.] H. 

 <7rass=Rottbo3lia. H. palate: in the roof of 

 the mouth, v. Palate. H. solder: an alloy 

 of brass and zinc. H. water: water contain- 

 ing matters, such as metallic substances, 

 which will combine with soap so as to pre- 

 vent its solubility. 



Hardness, (hard'nes). [Hard, q.v.] Resistance 

 to abrasion. Scale of H. : use to deter- 

 mine the degree of hardness in minerals: con- 

 sists of diamond, corundum, topaz, quartz, 

 orthoclase, apatite, fluor, calcite, gypsum, 

 and talc : these form a series decreasing in 

 hardness. 



Hare, (hur). [Ifara, the A.-S. name.] Lepus: 

 a very prolific fur-bearing animal, belonging 

 to Rodeutia. H. bell=l. Campanula rotun- 

 difolia ; 2. Hyacinthus nutaus. H.'s ear= 

 1. Bupleurum ; 2. Erysimum austriacum. 

 //.'s/oo=Ochroma lagopus. H.'sfootfern=. 

 Aspidium barometz. //. lip : usually the 

 upper lip ; when the fissure exists, owing to 

 incomplete development. H.'s tail grass= 

 Lagurus. 



Hare's deflagrator. A galvanic cell, formed 

 by two large sheets of copper and zino 

 arranged in a spiral, but separated by leather 

 and placed in dilute sulphuric acid; produces 

 great heat in working. 



Harlech grits, (har'lok). [Harlech, in North 

 Wales.] A sub-division of Lougmynd rocks, 



Harlequin beetle=Acrocinns longimamis. 



Harmaline, (har'ma-lin). [Gk. hannala. red.] 

 =Ci3H 14 O 2 : a crystalline base, found in seeds 

 of Peganutn harmala. 



Harmatone, ( har'ma-ton ). A mineral of the 

 Zeolite group, chiefly silicate of aluminum 

 and barium. 



Hannattan , (hur^mat-tan ). [Tho Arabic word. ] 

 A hot, dusty wind of Africa. 



Harmonia, (hiir-mo'ni-a). [The Latin word.] 

 No. 40 of the Minor Planets, q.v. 



Harmonic, ( har-mon'ik ). [ Harmony, q.v. ] 

 Related to harmony. //. ratio: the ratio be- 

 tween numbers whose reciprocals are in 

 arithmetical proportion: thus 1, 5, 9, 13, being 

 in arithmetical proportion, 1 1 1 1 are 

 in harmonical proportion. H. sound of flames, 

 v. Singing flames. H. tones : higher notes 

 also produced when any given musical note 

 is sounded, r. Sound. 



Harmony, (har'mo-ni). [Hannonia, the Latin 

 word.] 1. A variety of suture : a method of 

 union in anatomy, in which the pieces are 

 fitted together without being fastened. 2. 

 Concord of musical sounds, v. Sound. H. 

 of spheres : the regular movements of the 

 heavenly bodies, in which the planets are 

 compared to the notes of a musical scale. 

 Jupiter is named Do; Saturn=:/Je; the Moon 

 = Mi; Mercury=.Fa ; Venns=Sol; Sun=Za. 



Harpagopus, (har-pag'o-pus). [Gk. harpage, 



sickle; pous, foot.] An invertebrate animal, 

 probably crustacean, known only by its fossil 

 tracks, v. Lithichnozoa. 



Harpedactylus, ( har-pe-dak'ti-lus ). [Greek 

 harpe, sickle ; dactylos, toed.] A lizard, 

 known only by its fossil tracks, v. Lithich- 

 nozoa. 



Harpins, (har'pinz). [F. harper, to grapple.] 

 =Heads= Diagonals : connecting timbers at 

 the extremities of a vessel ; used dxiring 

 building. 



Harpy eagle, (har'pi). [Harpyia, the Latin 

 name.] = Harpyia : 

 a powerful bird of 

 prey, belonging to 

 Falconidse. 



Harquebus, (harTce- 

 bos). [Arquebuse, 

 the French word.] 

 An old form of 

 musket. 



Harrier, (har'ri-er). 

 [1. //arn/,torol>: 2. 

 hare, q.v.] l.=Cir- 

 cus : a hawk : 2. a 

 dog, used in hare- 

 hunting. Moor H. Circus rufus. Hen II. 

 =Falco cyaneu8=Ciicus cyaneus. 



Hart's tongue=Scolopendrium : a fern found 

 on damp rocks, near wells, &c. 



Hartin, (har'tin). CioH^O; a resin, obtained 

 from lignite. 



Hartite, ( har'tit ). C G lli : a translucent 

 mineral, belonging to the Fichtelite group, 

 q.v. ; a fossil resin, found in fossil pine trees 

 and in coal beds. 



Hartshorn, (hartsliorn). Spirits o/7/.=Am- 

 monical liquor, obtained from distillation of 

 horn and .of bone ; also used for any solution 

 of ammonia iu water. 



Harvest, II. /y=Cicada: an insect belonging 

 to Homoptera. //. moon: at the end of Sep- 

 tember, when the full moon rises soon after 

 sunset. II. mouse =Micromys minutus : a 

 very small, insectivorous mouse, which builds 

 a pensile nest ; found at harvest time. If. 



Hastings sand= Middle Wealden: a sub-divi- 

 sion of the Wealden, q.v. 



Hatchetin, ( hach'et-in ). [ Mr. Hatchett. 1= 

 IIatchettite=Mineral tallow : a solid bitu- 

 men , q.v. An inflammable mineral, found 

 in bogs and coal beds. 



Hatchway, ( hach'wi ). An opening on the 

 deck of a ship ; for a staircase entrance. 



Haulm, (hawm). [Halm, the A.-S. word.] De- 

 caying herb stems, straw, Ac. 



Hausmannite. ( haws'man-nit ). [ M. Ilaus*- 

 man.]=Mn 3 O4. An oxidised ore of man- 

 ganese, also called Black Manganese. 



Haustellata, ( haw-stel'la-ta ). [ L. haurio, I 

 draw.] A primary division of insects, includ- 

 ing Lepidoptera, Diptera, Aphaniptera, He- 

 miptera, Hemoptera, all of which are pro- 

 vided with suckers. 2.=Epizoa: parasitic 

 crustaceans. 



Hauyne, ( haw'in ). [Mr. Hauy.]=Hauynite: 

 a mineral, chiefly silicate of aluminum, pot- 

 assium, sodium, and calcium. 



