A GLOSSARY OF TERMS 



COLLA'PSION. In botany, the act of 

 closing or falling together. 



COLLECTORS. Applied to those 

 hairs with which the style of some 

 plants is often densely covered, 

 and which seem intended as 

 brushes to collect and clear the 

 pollen out of the cells of the an- 

 thers. 



CO'LLUM. Lat. Neck. The part 

 between the stem and root. 



COLLU'RIO. fr. gr. kollao, I join or 

 fasten together. The specific 

 name of the butcher bird. 



COLO' BUS. fr. gr. kolobos, mutilated. 

 A genus of monkeys which be- 

 long to the okl world. Colobus 

 comosus. A hairy monkey. 



COLON. A portion of the large in- 

 testine. 



COLOURED. In botany, different 

 from green, which is the common 

 colour of plants. 



COL'UBER. Lat. Name of a serpent. 



COLU'BRIFORM. fr. \at.coluber, a ser- 

 pent, an adder ; forma, shape. 

 Adder-shape. 



COL'UBUIS. The specific name of a 

 humming-bird. 



COLUM'BA. Lat. A pigeon. A ge- 

 nus of birds. Columba migratoria. 

 Wild pigeon. 



COLUM'BIUM. Tantalum. A metal, 

 discovered in a mineral found in 

 Massachusetts by Mr. Hachett, in 

 1S01. 



COLUME'LLA. Lat. A little column, 

 or pillar. The axis of a shell 

 from top to bottom, around which 

 the whorls are convoluted, (p. 95, 

 Book v). In botany, it denotes 

 the axis from which the valves of 

 a fruit separate, on dehiscence ; 

 the axis which occupies the centre 

 of the sporangium of mosses, &c. 



COLU'MNAR. In the form of co- 

 lumns. 



COLU'MNAR DISTINCT CONCRETIONS. 

 The great, and small columns 

 in which certain iron ores and 

 other minerals are found. 



COLUMNA'RE. Lat. Columnar. 



COLY'MBUS. fr. gr. kolumbao, I dive. 

 Systematic name of the divers. 

 A genus of swimming birds. 



CO'MA. Literally, hair. A tuft of 

 bracts on the top of a spike of 

 flowers : the assemblage of 

 branches which forms the head 

 of a forest tree. Also, termed er- 

 roneously Cyma. 



COMBU'STIBLE. Any body suscep- 

 tible of combustion. 



COMBU'STION. The combination of 

 two bodies accompanied by the 

 extrication of heat and light. 

 When a body rapidly combines 

 with oxygen, for example, with a 

 disengagement of heat and light, 

 it is said to undergo combustion. 



COMING TO DAT. When a vein or 

 stratum crops out or appears on 

 the surface it is said, to come to 

 the day. 



COM'MINUTED. Fractured into small 

 pieces. 



COM'MISSURE. fr. lat. committo, I join 

 together. A point of union be- 

 tween two parts. A joint or seam. 

 The point where the two mandi- 

 bles of birds are joined is called 

 the commissure of the beak. 



COMMU'NIS-E. Lat. Common. 



CO'MOSE. In IJotany, a kind of inflo- 

 rescence which is terminated by 

 sterile bracte. 



COMPACT. A mineral is compact 

 when no particular or distinct 

 parts are discernible ; a compact 

 mineral cannot be cleaved or di- 

 vided into regular or parallel por- 

 tions. It is often confounded with 

 the term massive. 



COMPARATIVE ANATOMY. The com- 

 parative study of the various parts 

 of the bodies of different animals. 



COMPLICATED. -In conchology, doub- 

 led together. 



COMPLICATO-CARINATE. In botany, 

 folded together so as to form a 

 kind of keel. 



COMPO'SITA. Lat. Compounded. 



COMPO'SITJB. A family of monope 

 talous plants. 



