USED IN NATURAL HISTORY. 



43 



COM'POSITE. Compound. 



COMPOUND. In botany, the union 

 of several tilings in one; simple 

 flowers united into one form a 

 compound flower, &c. 



COMPRESSED. Flattened at the sides 

 vertically, as the beak in certain 

 birds. 



COMPTO'NIA. A genus of fossil 

 plants named in honour of Henry 

 Cornpton, Lord Bishop of London, 

 (p. 88, Book viii). 



CONCA'MERATED. In conchology, 

 arched over, vaulted. 



CONCAMERA'TIONS. fr. lat. con, to- 

 gether ; camera, a chamber. The 

 compartments or divisions in cer- 

 tain shells. 



CONCAVE. Hollowed out like a 

 howl. 



CONCK'NTRIC. Having a common 

 centre. 



CONCE'NTRIC-LAMELLAR. A term 

 used in the description of such 

 minerals as, being of a spherical 

 form, have received successive 

 coatings or depositions. The con- 

 centric lamellar structure may be 

 illustrated by the section of an 

 onion. 



CONCE'NTRICUS. Lat. Concentric. 



CONCEPT A'CULUM. A species of 

 compound fruit. 



CONCE'PTICLE. Envelope of a spo- 

 rule. 



CON'CHA. The hollow part of the 

 cartilage of the external ear. 



CON'CHS. Shells consisting of two 

 or more pieces or valves. 



CON'CHIFE'RA. fr. gr. conche, shell ; 

 the Lat./ero, I bear. Shell-bear- 

 ing. Applied to mollusks with 

 bivalve shells. 



CONCHI'FEROUS fr.lat.cont/m, shell ; 

 fero, I bear. Shell-bearing. 



CONCHI'LIAN. ) Consisting of, or con- 



CONCHY'LIAN. taining shells. 



CONCHO'LOGT. fr. gr. kogchulion, a 

 shell; logos, a. discourse. A trea- 

 tise on shells. 



CONCO'LOR. Lat. Of the same co- 

 lour. 



CONCRETE. Hardened, or formed 

 into one mass. 



CONCRE'TIONART FORMATION . Con- 

 cretionary deposits. In geology, a 

 designation of those recent or al 

 luvial strata, which include calca- 

 reous and other deposits from 

 springs, stalactites, travertines, 

 bog-iron ore, and salt. (p. 183, 

 Book viii). 



CONDE'NSABLE GAS. Any gas that 

 is susceptible of being condensed 

 into a fluid, or solid. 



CONDUCTOR. Those substances 



which possess the property of 

 transferring caloric or heat, and 

 electricity, are termed conductors 

 of heat or caloric, and conductors 

 of electricity. 



CONDUIT. A water-pipe ; a canal. 



CONDY'LE. fr. gr. kondulos, a knot, 

 an eminence, a joint. A small 

 round eminence of bone entering 

 into the composition of an articu- 

 lation. 



CONDYLO'PEDA. fr. gr. kondulos, a 

 joint ; pous, podos, a foot. Articu 

 lated animals with jointed legs, as 

 insects, crabs, and spiders. 



CONE. In botany, the .fruit of the 

 fir-tribe of plants, consisting of a 

 conical amentum of which the 

 carpels are scale-like, spread open, 

 and bear naked seeds. Cone of 

 elevation is the hillock in which a 

 volcanic crater is formed, (p. 107, 

 Book viii). 



CONFERRU'MINATE. In botany, uni- 

 ted together so as to be uridistin- 

 guishable. 



CONFE'HV^. Tribe of plants of the 

 family of zoosperrnese. It includes 

 many sea-weeds. 



CONFERVOID. Like confervas. 



CON'FLUENT. Connate; growing to- 

 gether ; running together. 



CON'FORMABLE. In geology, when 

 the planes of one set of strata are 

 parallel to those of another set. 

 (p. 185, Book viii). 



CON'GENEH. fr. lat. con, with ; ge 

 nus, race Species belonging to 



