CEREUS 



73 



CHAMJELAUCIACEJE 



Cereus. (se're-us). [L.cereus, wax-like, pliant.] 

 Plants belonging to Cactaceae. 



Cerin, (se'rin). [L. cera, wax.]=Cerotic acid 

 =C27Hs40o: an acid obtained from wax. 



Cerite, (se'rit). [Cerium, q.v.] A silicate min- 

 eral: the usual ore of cerium. 



Cerite metals=Cerium, Lanthanum, Didy- 

 mium, Yttrium. 



Cerithium, (se-rith'i-um). [Gk. deration, a 

 horn.] A gasteropod, known by fossil remains 

 in Oolitic rocks. 



Cerium, (se'ri-um). [Ceres.]=Ceiv; one of the 

 earth metals, very rare; found in cerite. 



Cerolein, (se'ro-lin). [L. cera, wax.] A greasy 

 acid body, found in bees-wax. 



Ceroxylon, (se-rok'si-lon). [L. cera, wax; Gk. 

 xylon, wood.]=A tree belonging to Palnia- 

 cese. C. andicota=Wax-palm. 



Cerotic acid, (se-ro'tik). [ L. cera, wax.]= 

 C27H540o; a crystalline acid, forming about 

 one-quarter of bees-wax. 



Cerussite, (se-rus'sit). [L. cerussa.]= White- 

 lead ore: chiefly carbonate of lead, PbC0 3 : a 

 mineral of the lead group. 



Cervidae, (ser'vi-de). [Cervus, fl.v.]=Deer; 

 animals belonging to Ruminantia, the males 

 of which have solid deciduous horns. 



Cervus, (ser'vus). [The Latin name.]=Stag, 

 &c.; the type of Cervidpe, q.v. 



Cestodes, (ses-t5'dez). [Gk. kestos, girdle.] Used 

 by Siebold for a sub-division of Helminthes. 



Cestoid, (ses'fcoid). [Gk. kestos, girdle; eidos, 

 form.] Tape-like; resembling the tape-worm. 

 C. en(ozo=Cestoidea, q.v. 



Cestoidea, (ses-toi'de-a). [Gk. kestos, girdle; 

 eidos, form.]=Taeniada, q.v. : Tape-worms. 



Cestracion=Port-Philip shark. A fish belong- 

 ing to Cestraphori; the only one known to 

 be still extant. 



Cestraphori, (ses-trafo-ri). [Gk. kestra, wea- 

 pons; phcro, I bear.] Shark-like fishes, with 

 large fin-spines, known chiefly by fossil re- 

 mains ; named from a number of grinding 

 teeth. 



Cetacea, (se-ta'she-a). [Cetus, q.v.] Aquatic 

 mammalian animals, with a fish-like form, 

 with fin -like fore -limbs only, including 

 whalebone whales, dolphins, &c. 



Cetene, (se-ten'). [L. cetus, whale.]=Cetylene 

 = Ci6H32: a liquid hydrocarbon, obtained 

 from spermaceti. 



Ceteosaurus, (se-te-o-saw'rtts). [L. cetus, whale; 

 saurus, lizard.] A very large reptile, 70 feet 

 long, possibly of terrestrial habits, feeding on 

 river-side vegetation, remains of which are 

 found in Oolite and Cretaceous rocks. 



Cetin, (se'tin). [L. celus, whale. ]=C32H 64 O 2 

 =Pure spermaceti, q.v. 



Cetraria, (se-tra'ri-a). [L. c^ra.buckler; shape 

 of receptacle.] A lichen belonging to Par- 

 meliacese. C. islandica=lcela,ud moss. 



Cetus, (se'tus). [The Latin name.] l.=The 

 Whale: one of the southern constellations, 

 the chief stars of which are Menkar, Diphda, 

 and Mira Ceti. 2.= Whale: a large marine 

 animal, belonging to Mammalia; the type of 

 Cetacese. 



Cetyl, (se'til). [Cetin, tf.v.]=Ethal, q.v. 



Cetylic acid=Palmitic acid, q.v. 



Chabazite, (kab'a-zIt)=Emelinite : a mineral 

 of the Zeolite group ; a silicate of alumina 

 and lime, found in volcanic rocks and 

 metallic veins. 



Chacma=Cynocephalus porcarius : a baboon 

 with long muzzle, living in troops amongst 

 rocks. 



Chaerophyllum, (ke-ro-fil'lum). [Gk. chairo, 

 to rejoice ; phyllon, leaf.]=Chervil : a plant 

 belonging to Apiaceae, named from the 

 odour of its leaves. 



Chaetodon, ( ke'to-don ). [Gk. chaite, hair ; 

 odous, tooth.] A fish with long hair-liko 

 teeth, the body almost circular, and long 

 snout. 



Chaetognatha, (ke-tog'na-tha). [Gk. cJiaite, 

 bristle ; gnathos, jaw.]=Sagitta : one genus 

 only : small animals, belonging to Annulosa, 

 with transparent elongated bodies and 

 rounded heads. 



Chaetophora, (ke-tof o-ra). [Gk. cJiaite, bristle ; 

 phero, I bear. ]= Earth worms, &c. : a sub- 

 division of Annelida. 



Chaetopoda, (ke-top'o-da). [Gk. chaite, bristle ; 

 pous, foot.] De Blainville's term for Anne- 

 lides. 



Chaetopodes, Used by Siebold for a sub- 

 division of Annulati. 



Chaffinch, (chaffinsh). [Finch, fl.?>.]=Fringilla 

 ccelebs ! a song-bird. 



ChaiUetiaceaB,(sha-let-i-a'se-e). [M. Chaillet.] 

 =Chailletiads : shrubs and trees belonging 

 to Ehamnales. 



Chain, (chan). [Catena, the Latin word.] An 

 instrument for land measurement. Gun- 

 ter's chain = 66 feet = 4 perches: a square 

 chain=^j. acre. Ordinary chain=100 feet. 



Chalcedony, ( kal-sed'o-ni ). [The town of 

 Chalcedon.] An amorphous mineral sub- 

 stance, chiefly silica. 



Chalcopyrite, (kal-ko-pi-ri'te) [Gk. cJialko*, 

 copper ; Pyrites, q.v.]= Copper pyrites : one 

 of the copper group of minerals, with tetra- 

 gonal crystallization, chiefly sulphide of 

 copper and iron, the common ore of copper. 



Chalcocite, (kallio-sit). [Gk. chalkos, copper.] 

 One of the minerals of the copper group, 

 crystallising in rhombs, chiefly sub-sulphide 

 of copper, CuoS : a valuable ore of copper. 



Chalk, (chawk). [Cealc, the A.-S. name.] 

 = Upper Cretaceous : beds of enormous 

 extent and thickness, the highest of the 

 Secondary series. An earth consisting chiefly 

 of minute shells. White C. =Pure carbonate 

 of lime. C. stones : white concretions, chiefly 

 of sodium and uric acid. 



Chalybeate waters, (ka-lib'e-at). [Chalyps, 

 q.v.] Water containing salts of iron in 

 solution, as at Tunbridge, Harrogate, &c. 



Chalybite, (kal'i-bit). [Chalyps, q.v.] One 

 of the iron group of minerals, crystallising 

 in hexagons, chiefly carbonate of iron. 



Chalyps, (kal'ips). An old name for steel, 

 derived from the Chalybes, a people living 

 near the Black Sea, the first smelters of iron. 



Chamselauciacese, ( cha - m5 - law - si - u'se-e ). 

 [Gk. chamai, dwarf; Zcme/iis,poplar.]=Fringe 

 myrtles : fragrant bushes belonging to Myr- 

 tales. 



