USED IN NATURAL HISTORY. 



37 



CHAMA'CEA. From chama, a cockle 

 Systematic name of a family of 

 acephalous mollusks. Clamp- 

 sliells. (p. 81, Book v). 



CHAMX'LEO. fr. gr. chamai, on the 

 earth; Icon, lion: (because it pur- 

 sues flies, as the lion does ani- 

 mals.) Systematic name of the 

 chameleons. 



CHAM^LE'OXIB^ fr. gr. chamaileon, 

 chameleon ; eidos, resemblance 

 Systematic name of animals that 

 resemble chameleons. 



CHAMBERED SHELLS. A term used 

 to designate those shells of mol- 

 lusks which are divided inter- 

 nally by partitions into cells or 

 chambers. 



CHAMOIS. fr. gr. kema,s, a roe-buck 

 A ruminating animal of the ge- 

 nus of Antelope. 



CHAN'FRIN. fr. lat. cawiws, a bit or 

 curb ; frenum, a bridle. That part 

 of the head of a horse, which is 

 between the brows, from the ears 

 to the nose. 



CHANNEL-LEAVED.- Folded together 

 so as to resemble a channel for 

 conducting water. 



CHA'RA. A genus of aquatic plants. 



CHARCOAL. The residue of animal, 

 vegetable, and many mineral sub- 

 stances, when heated to redness 

 in close vessels. 



CHARA'URIUS. Lat. (A bird, the 

 seeing of which, it was supposed, 

 cured those that had the jaun- 

 dice.) The generic name of the 

 plover. 



CHATOYANT. Fr. When different 

 collections of colours alternately 

 appear and disappear, according 

 to the position of the mineral, like 

 the changeable light observable 

 in the eye of a cat. 



CHEIRO'PTKRA. fr. gr. keir, hand; 



pteron, wing Having winged 



hands. Name of a family of 



mammals, vulgarly called bats. 



CHELA. fr. gr. (Plur. chela;) chele, 



pincers. A crab's claw. 

 CHELI CERA. Plur. chelicerae, fr.gr. 



4 2Z 



chele, pincers; kcras, horn. Che- 

 licer. A term applied to append- 

 ages on the head of arachnidans. 



CHE LOXIA. fr. gr. chelvne, a sea- 

 tortoise. Systematic name of an 

 order of reptiles which includes 

 the tortoises. 



CHELO'NIANS. fr. gr. chelone, a sea- 

 tortoise. Animals of the tortoise 

 tribe. 



CHENOPO'DEB. fr. gr. chen, goose ; 

 pous. foot. Name of a family of 

 apetalous dicotyledons. 



CHER'S^A. Specific name of a vi- 

 per. 



CHERT. A siliceous mineral resem- 

 bling flint, but less homogeneous. 

 It is usually found in limestone. 



CHICORA'CE^. fr. gr. kicliore, garden 

 succory. Systematic name of a 

 family of plants. 



CHIM^'RA. A kind of fish, so call- 

 ed, from the fantastic figure it as- 

 sumes when carelessly dried. 



CHI'TOX. fr. gr. chiton, a garment. 

 Name of a cyclobranch gastero- 

 pod. (p. 62, Book v). 



CHLAM'YPHORK. fr. gr. chlamus, a 

 cloak ; phero, I bear. A genus of 

 mammals of the tribe of arma- 

 dillos. 



CHLO'RITE. fr. gr. chloros, green. A 

 soft, green, scaly mineral, slightly 

 unctuous. 



CHLO'HITIC CHALK. Chalk contain- 

 ing chlorite. 



CHLO'RITIC SCHIST. Schist contain- 

 ing chlorite. 



CHLO'RITIC SAXD. Sand coloured 

 green by an admixture of the 

 simple mineral chlorite. 



CHLo'RopHYLLE.-fr. gr. chl6r6s, green ; 

 phullon, a leaf. The green co- 

 louring matter of leaves. 



CHCE'TODOX. fr. gr. cheo, I contain ; 

 odous, odontos, a tooth. Generic 

 name of certain fishes of the fa- 

 mily of squamipennes. 



CHOKK-DAMP. An accumulation of 

 carbonic acid gas in coal mines 

 is so called. 

 HOXD'RUS (kond'rus). fr. gr. rhon 



