ANCHYLOSIS 



21 



ANHYDRIDES 



Anchylosis, (an-ki-lp'sis). [Gk. agkylosis, 

 bending.]=:Ankylosi8, q.v. 



Ancon, (an'con). [The Latin word.] An el- 

 bow or angle of a building: from which is 

 derived the words coin=corner and quoins= 

 corner-stones. 



Anconeus muscle, (ang-ko'ne-us). [L. ancon, 

 elbow.] A small muscle, connecting the 

 humerus and ulna, at the elbow. 



Ancylotherium, (an-sl-15'the'ri-um). An ani- 

 mal between the extinct mastodon and liv- 

 ing pangolin, known only by fossil remains. 



Ancylus, (an'si-lus)=Fresh-water limpet: a 

 molluscous animal belonging to Lirnnoeadse. 



Ancyropus, (an-si'ro-pus). [Gk. ankura, an- 

 chor; pous, foot.] A tortoise-like animal, 

 known only by fossil footprints. 



Andalusite, (an-da-166'sit). [Andalusia, in 

 Spain.] A mineral of the topaz group, chiefly 

 silicate of aluminum, variously coloured by 

 iron and other metals. 



Andrsea, (an-dre'a). A genus of mosses; the 

 type of the division Andraeaceae. 



Andrseacese, (an-dre-a'ce-e). [Andraea, q.v.] 

 =Split mosses: red or brown moss-like 

 plants, found, in cold climates, on mountain 

 sides, belonging to Muscales. 



Androcoeum, (an-dro-se'um). [Gk. aner, man.] 

 =Stameus: the fructifying organ in plants. 



Androgynous, (an-dro'jin-us/. [Gk. aner, 

 man ; gyne, woman.] = Hermaphrodite : in 

 animals, such as have the male and female 

 organs in the same body; in plants, those 

 having them both in the same flower, or 

 having both male and female flowers. 



Andromeda, (an-drom'e-da). [Classical.] 1. A 

 small shrub with pink or white flowers, be- 

 longing to Ericaceae. 2. Fossil remains of 

 these found in Lower Miocene rocks. 3. A 

 N. constellation, of which Alpherat and 

 Mirach are the chief stars. 



Androphores, (an'dro-forz). [Gk. aner, man; 

 phero, I carry.] = Medusiform gonophores, 

 q.v., which carry the spermatozoa of Hy- 

 drozoa. 



Anelectrics, (an-e-lek'triks). [Electricity, q.v.] 

 Substances, such as metals, that readily con- 

 duct electricity, and can not ^be electrified by 

 friction =Analectrics, q.v. 



Anelectrotonus, v. Electrotonus. 



Anellata, (an-ne-lu'ta). [L. anellus, a little 

 ring.]= Annelida, q.v. : ringed worms. 



Anemograph, (an-em'o-graf) [Gk. anemos, 

 wind; grapho, I write.] An apparatus which 

 registers, automatically, the amount and 

 variations of the wind's force. 



Anemometer, ( an-e-mom'e-ter ). [Gk. ane- 

 mos, wind; metron, measure.] An instru- 

 ment which measures the velocity and direc- 

 tion of the wind. 



Anemone, (a-nem'o-ne or a-ne-mo'ne). [Gk. 

 anemone, wind flower.] Wind flower; corn 

 rose: a flower of the crowfoot kind, belonging 

 to Ranunculacese. Sea-anemone^ Actinia,'/. v. 



Anemoscope, (an-em'os-kop). [Gk. anemos, 

 wind; skopeo, I show.] An instrument to 

 show the direction of the wind. 



Anenterati, ( an-en-tcr-a'ti ). [Gk. an, in; 

 entcron, intestines.] Used by Leuckart for 



a division of Vermes, including Acantho- 

 cephalis and Cestodes. 



Aneroid barometer, (an'e-roid). [Gk. a, not; 

 neros, wet; eidos, form.] An instrument 

 which measures the pressure of the atmos- 

 phere by its action on a small watch-shaped 

 metallic box, from which the air is removed. 

 Maury's B. is an improved form of aneroid. 



Anet, (a'net) [Anethum, g.v.]=Dill seed= 

 Anethum graveoleus: a species of Anethum. 



Anethum, (a-ne thum). [anethon, the Greek 

 name.]=Dill: a plant, belonging to Apiaceae: 

 formerly applied also to fennel, which is 

 now separated and called Foeniculum. 



Aneurism, (an-u'rizm). [Gk. aneuruno, I 

 widen. ]=Extension or widening: used espe- 

 cially of an artery. 



Angel fish, (an'jel). [Angel and fish, q.v.]= 

 Squatina angelus: a fish remarkable for its 

 white colour and wing-like fins. 



Angelic acid, (an-jel'ik). [Angelica, q.v.]= 

 110511702: solid acid found in angelica roots; 

 also obtained by the action of caustic potash 

 on essence of camomile. 



Angelica, (an-jel'ik-a). [Gk. aggelikos, angelic.] 

 A tall herb with white or purple flowers, a 

 pleasant odour, used in medicine, belonging 

 to Apiacese. 



Angeliceae, (an-jel-is'e-6). [Angelica, q.v.] A 

 sub-division of Seselineae, including Angelica. 



Angiography, (an-ji-og'ra-fi). [Gk. angeion, 

 vessel; graphe, description.] Description of 

 the vessels of an organised body. 



Angiology, (an-ji-ol'o-ji). [Gk. angeion, ves- 

 sel ; logos, discourse.] The science of^the 

 vessels of organic bodies. 



Angiospermae, (an-ji-o-spgr'rae). [Gk. angeion, 

 a vessel; sperma, seed.] A general term for 

 plants whose seeds are inclosed in a pericarp. 



Angiotomy, (an-ji-ot'o-mi). [Gk. angeion, ves- 

 sel; tome, cutting.] Dissection of the vessels 

 of an organised body. 



Angle, (ang'gl). [L. angulus, corner.] 1. Tha 

 point where two lines meet. 2. The differ- 

 ence between the directions of two lines in 

 the same plane. 



Angler fish = Lophius piscatorius = Fishing 

 frog: a fish some 4 feet long, having some 

 degree of resemblance to a frog. 



Anglesite, (ang'gl-sit). One of the lead group 

 of minerals, chiefly sulphate of lead, crystal- 

 lising in rhombs. 



Angola tree = Pigeon-pea : a shrub with long 

 leaves and edible pea-like fruit. 



Anguilla, (an-gwil'la). [The Latin name.]= 

 Muraena, g.v.=Eel: a snake-like fish, belong- 

 ing to Apodes. 



Anguillulidae, (an-gwil-lu'lid-e). [L. anguilla, 

 eel.] Free nematpids: worm-like animals, of 

 small size, belonging to Scolecida, q.v.; found, 

 in fresh water and on sea-shore. 



Anguis, (ang'gwis). [L. anguis, a snake.]= 

 Slow-worm=blindworm: a small snake-like 

 reptile, belonging to Lacertilia, q.v. 



Anharmonic ratio, (an-har-mon'ik). [Gk. an, 

 without; harmonia, harmony.] See Ratio. 



Anhydrides, (an-hi'dridz). [Gk. an, without; 

 hydor, water, q.v.] Oxygen compounds in 

 which there is no water, such as carbonic 



