HEXACTINELLID.E 



165 



HIPPOBOSCA 



skia, shadow.] Persons living north or south 

 of the tropics, so that the shadow from the 

 sun is always on the same side. 



HexactinellidEB, ( heks-ak-tin-el'i-dS ). [Gk. 

 hex, six; aktis, ray.] A name used by 

 Schmidt for the family of siliceous sponges, 

 of which Porifera vitrea is the type, found 

 at the bottom of N. Atlantic. 



Hexads, (heks'adz). [Gk. hex, six.]=Hex- 

 atomic elements, equivalent to 6 atoms of hy- 

 drogen: includes molybdenum, tungsten, <fec. 



Hexagon, (heks'a-gon). [Gk. hex, six; gonia, 

 angle. ] A plane figure formed 

 fay six sides; properly, a regu- 

 lar plane figure formed by six 

 equal sides. 



Hexagynia, (heks-a-jin'i-a). 

 [Gk. hex, six; gym, woman.] 

 A sub-division in the Linnean 

 classification of plants, q.v. Hexagon. 



Hexahedron, (heks-a-he'dron). [Gk. hex, six; 

 hedra, base.]=Cube: a solid figure formed by 

 six equal and similar sides. 



Hexandria, (heks-an'dri-a). [Gk. hex, six; 

 aner,man.] A sub-division in the Linnean 

 classification of plants, q.v. 



Hexane, (heks'an). [Gk. hex, six.] C 6 Hi 4 = 

 Sextane: a hydrocarbon, named from having 

 six equivalents of carbon, v. Hydrocarbons. 



Hexapoda, (heks-ap'o-da). [Gk. hex, six; pous, 

 foot. ] De Blainville's term for insects, which 

 have six feet. 



Hexapodous, (heks-ap'o-dus). [Hexapoda, q.v.] 

 Having six feet. 



Hexapodichnus, ( heks-a-po-dik'nua ). [Gk. 

 hex, six; pous, foot; ichnos, track.] An in- 

 vertebrate animal, probably crustacean, 

 known only by its fossil track, v. Lithich- 

 nozoa. 



Hexaprotodon, (heks-a-pro'to-don). [Gk. hex, 

 six; protos, first or front; odous, tooth.] A 

 pachydermatous quadruped, known by fossil 

 remains: has six front teeth. 



Hexine, (heks'in). [Hexane, q.v.] CeHio= 

 Sextine=Hexoylene. v. Hydrocarbons. 



Hexyl, (heks'il). [Hexane, q.v.; Gk. hyle, 

 material.] (C6Hj3) 2 =Capro} 7 l: an aromatic 

 oily liquid; a hydrocarbon radicle. //. a Icohol 

 r-C 6 H 14 0. H. fydridc=C 6 H 14 . 



Hexylene, (heks'i-len). [Hexyl, Q.v.]=Cap- 

 roylene, q.-v.=C^ l < i : a liquid hydrocarbon 

 of the olefine series, v. Hydrocarbons. 



Hiarree. [The native name.] The narcotic 

 roots of a Guiana shrub, which when thrown 

 into water stupify any fish that are therein. 



Hiatus Fallopii, (hi-a'tus fal-lo'pi-i). [The 

 Latin name.] A groove in the temporal 

 bone. Named after Signor Fallopius. 

 Hibiscus, (hi-bisTcus). [Hibiskos, the Greek 

 name.] Marsh mallow: a plant belonging to 

 Malvaceae. H. rosa-chinensis=Chiiid. rose. 

 H. abelmoschus=A.l>elniosch\i3, q.v. 

 Hibou, (e-bo). [The French name.] An owl: 

 a bird belonging to Strigidae. | 

 Hiccoughing. Convulsive inspiration caused 

 by spasmodic contractions of the diaphragm. 

 Hickory, (hik'o-ri) = Carya = Juglans alba= 

 White walnut: an American tree belonging 

 to Juglandaceze. 



Hielmite, ( hT-el'mit ). A mineral, chiefly 

 stanno-tantalate of iron, uranium, and 

 yttrium. 



Hieracium, (hl-er-a'si-um). [Gk. hierax, a 

 hawk. ]= Hawk weed: an herb, with milky 

 juice and yellow flowers, belonging to 

 Asteracese. H. aurantiaceum = Golden 

 mouse-ear. 



Hiero's Fountain= Hero's fountain, q.v. 



Hierochloe, (hi-ro-klo'e). [Gk. hieros, sacred; 

 chloa, grass.]=Holy grass: a plant belonging 

 to Graminaceae. 



Hierofalco, (hl-er-o-fal'ko). [Gk. hieros, sacred; 

 Falco, g.t?.]=Gerfalcon, q.v. 



Hieroglyphic ( hl-er-o-glif ik ). [Gk. hieros, 

 sacred; glyphe, carving.] Sculptuie-writing: 

 any system of representation by carved figures. 



Highgate resin=Copalite, q.v. 



Highmore's cave=Antrum of Higbmore: a 

 cavity in the upper maxillary bone, named 

 after the discoverer. 



Highton's battery, (hl'ton). [Mr. Highton.J 

 A galvanic battery, consisting of zinc in 

 sulphuric acid, common salt, or caustic 

 potash, and carbon in peroxide of manga- 

 nese. 



Hill,(hil). [The A. -S. word.] H. an*=Horse 

 ant=Wood ant=Formica rufa : named from 

 the shape of the nest. H. ^ine=Pinus 

 sinensis, of China. H. fox=C&ms Hirna- 

 laicus of India. 



Hilobates. [The Latin name.]=Gibbon, q.v. 



Hilton's muscle, In the larynx, named after 

 the discoverer. 



Hilum, (hi'lum). [The Latin word.] The 

 scar of the attachment of the seed to the 

 placenta. Generally, any small aperture or 

 depression. 



Hilus, (hi'lus). [The Latin word.] The con- 

 cave side of the kidney. Generally, any small 

 concavity. 



Himalayan, (him-a-la'an). [Himalaya Moun- 

 tains.] H. creeper=Certlna, Himalaya. H. 

 /oa;=Canis Himalaicus. H. partridge=Te- 

 traogallus Himalayensis. H. ra&6i=Chinese 

 rabbit=Albino rabbit. 



Himantopus, (hi-man'to-pus)=Longshanks: a 

 wading bird. 



Hindoo, (hin'do)= Hindu: relating to Hindo- 

 stan. 



Hinnites, (hin'nlts). Fossil shells, found in 

 Crag. 



Hinny, (hin'ni). [Hinnus, the Latin word.] 

 Offspring of stallion and female ass. 



Hip, (hip). [Hype, the A.-S. word.] 1. The 

 joint of the leg and trunk. 2. The ridge of 

 a roof formed by two sloping sides. 



Hipparin, ( hip'pa-rin ). [ Hippuric, q.v. ] 

 CsHgNOa: a crystalline substance obtained 

 from hippuric acid. 



Hipparion, (hip-pa'ri-on). [Gk. hippos, horse. ] 

 A horse-like animal, known by fossil remains 

 in Pliocene rocks; intermediate between the 

 horse and tapir. 



Hipparchus, (hip-parTius). In moon, q.v. 



Hippariffan, ( hip-par'a-fin ). [.ffippario and 

 Paraffin.] C 8 H 7 NO: a crystalline substance, 

 obtained from hippuric acid. 

 Hippobosca, ( hip-po-bos'ka ). [Gk. hippos. 



